CN102153548B - Analogue nucleoside derivative containing thiazolidone (thiazinidone) ring, preparation method and application thereof to medicinal preparations - Google Patents
Analogue nucleoside derivative containing thiazolidone (thiazinidone) ring, preparation method and application thereof to medicinal preparations Download PDFInfo
- Publication number
- CN102153548B CN102153548B CN2011100445410A CN201110044541A CN102153548B CN 102153548 B CN102153548 B CN 102153548B CN 2011100445410 A CN2011100445410 A CN 2011100445410A CN 201110044541 A CN201110044541 A CN 201110044541A CN 102153548 B CN102153548 B CN 102153548B
- Authority
- CN
- China
- Prior art keywords
- compound
- preparation
- methylol
- ring
- stirring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
The invention discloses an analogue nucleoside derivative containing a thiazolidone (thiazinidone) ring, a preparation method and application thereof to medicinal preparations. The preparation method comprises the following steps of: a, dissolving fatty amine or aromatic amine (1) and furfural (2) which serve as initial raw materials in absolute methanol solvent with stirring according to a molar ratio of 1.2:1; and b, performing microwave radiation or stirring at the room temperature, adding mercaptoacetic acid or mercaptopropionic acid according to a molar ratio of 1:2 and reacting, and regulating the pH value to be between 6.5 and 7.5 to obtain a compound shown as a chemical general formula (I).
Description
Technical field
Type of the present invention relates to nucleoside derivates and compound method thereof and its application in pharmaceutical prepn specifically relate to contain class nucleoside derivates and compound method and its application in pharmaceutical prepn of thiazole (piperazine) alkane ketone ring.
Background technology
Immunity is the crucial physiological function of body.Normal immunologic function is the assurance of body health, in case immune dysfunction will cause the reaction of disease and immunopathogenesis.The generation of many clinical diseases such as malignant tumour, virus disease and autoimmune disease etc., development all have close getting in touch with the functional disorder and the immunodeficiency of body immune system.Immunomodulator through and the various lymphocytes of immunity system between interaction or immune molecule intrinsic network activation, the adjustment body's immunity, correct immunologic derangement, be the medicine that one type of ability strengthens non-specificly or suppress body's immunity.At present; Clinical widely used immunomodulator is mainly biological products and part microbial metabolism class medicine; Like Zadaxin, Interferon, rabbit, interleukin, BCG-CWS, ciclosporin A, mycophenlate mofetil, rapamycin etc.; Because these medicines exist toxic side effect big, water-soluble and poor stability, purity and the shortcoming such as low of tiring, and therefore, demand developing the novel immunomodulator of high-efficiency low-toxicity urgently.
Chemosynthesis small molecules immunomodulator; Because the needs of its good chemistry and zymetology stability, the multiple formulation of adaptation and route of administration; And cost is lower, purity is high, when raising is tired, can reduce toxic side effect; Avoid the untoward reaction of hormone medicine and biogenetic derivation immunomodulator, caused that people pay close attention to widely.At present more existing small molecules immunomodulators are applied to clinical, like pidotimod, CGP52608 and Nucleotide, glucosides (peptide) analogue etc.Yet characteristics such as that immunomodulatory has is various, complicated and target spot is uncertain, therefore, existing small molecules immunomodulator can not satisfy clinical immunoregulatory research and application far away.
Summary of the invention
The object of the invention is exactly that a kind of new small molecules immunomodulator will be provided; Be a kind of class nucleoside derivates that contains thiazole (piperazine) alkane ketone ring, a kind of compound method and the application of this compounds in preparation immunoregulation druge preparation of this compounds are provided simultaneously.
The objective of the invention is to realize like this:
The invention provides a kind of class nucleoside derivates that contains thiazole (piperazine) alkane ketone ring,
Its chemical general formula is shown in (I):
Wherein k is 1 or 2; M is 0 or 1; X is Sauerstoffatom or amino, R
1For Wasserstoffatoms or hydroxyl or contain C
1-C
6The alkoxyl group of straight or branched; R
2For containing C
1-C
18Alkyl, the aryl of straight or branched.
Above-mentioned aryl can be selected phenyl for use; Benzyl; The 4-p-methoxy-phenyl; The 4-aminomethyl phenyl; The 4-chloro-phenyl-; The 4-bromophenyl; The 4-iodophenyl; The 4-hydroxy phenyl; The 2-p-methoxy-phenyl; The 2-aminomethyl phenyl; The 2-chloro-phenyl-; The 2-bromophenyl; The 2-iodophenyl; The 2-hydroxy phenyl; The 3-p-methoxy-phenyl; The 3-aminomethyl phenyl; The 3-chloro-phenyl-; The 3-bromophenyl; The 3-iodophenyl; The 3-hydroxy phenyl; The 1-naphthyl; The 2-naphthyl; The 2-furyl; The 3-pyridyl; The 2-pyridyl; In the 4-pyridyl any one.
Being defined as of aryl among the present invention:
Shown in (I) in the compound, preferred compound has following several kinds of compounds at above-mentioned chemical general formula:
Wherein k is 1; M is 0; X is a Sauerstoffatom, R
1Be methylol; R
2Be methyl;
Wherein k is 1; M is 0; X is a Sauerstoffatom, R
1Be methylol; R
2Be butyl;
Wherein k is 1; M is 0; X is a Sauerstoffatom, R
1Be methylol; R
2Be octyl group;
Wherein k is 1; M is 0; X is a Sauerstoffatom, R
1Be methylol; R
2Be octadecyl;
Wherein k is 1; M is 0; X is a Sauerstoffatom, R
1Be methylol; R
2Be phenyl.
Above-claimed cpd can be a pair of diastereomer (concrete structure is shown in (4), (5)) of following form.
Compound according to the invention shows through pharmacological evaluation; It has the effect of good promotion T cell-proliferation activity; Thereby be active substance with compound according to the invention; With the carrier uniform mixing that allows on the pharmacology to use, can be prepared into the immunomodulator of various formulations according to the formulation method of routine.
As being active ingredient with the The compounds of this invention, be prepared into oral liquid with combination of components such as water, sucrose, Sionit, fructose; Be prepared into tablet or capsule with vehicle (lactose, glucose, sucrose, N.F,USP MANNITOL sugar), disintegrating agent (starch), lubricant (Triple Pressed Stearic Acid, talcum powder), tackiness agent combination of components such as (gelatin, Z 150PH).
The compounds of this invention also can be prepared into injection liquid with the mixed carrier that saline water, glucose solution or salt solution and glucose are formed as active ingredient.
The present invention be used for when clinical can reference effective dose be 10~20mg/ people/day, every day 2~3 times.The doctor also can draft taking dose according to the patient individual difference.
Thus, the applicant has accomplished the purposes invention that this compound is used to prepare immunomodulator.
The preparation method who contains the class nucleoside derivates of thiazole (piperazine) alkane ketone ring provided by the present invention may further comprise the steps:
A, be starting raw material with aliphatic amide or aromatic amine (1), alditol (2), in the anhydrous methanol solvent, according to mol ratio 1.2: 1, stirring and dissolving;
B, microwave radiation or stirring at room according to mol ratio 1: 2, add the reaction of Thiovanic acid or thiohydracrylic acid (3), transfer pH6.5-7.5, obtain chemical general formula compound shown in (I);
Wherein k is 1 or 2; M is 0 or 1; X is Sauerstoffatom or amino, R
1For Wasserstoffatoms or hydroxyl or contain C
1-C
6The alkoxyl group of straight or branched; R
2For containing C
1-C
18Alkyl, the aryl of straight or branched.
Reaction expression in the inventive method is following:
Description of drawings
Fig. 1 is the influence chart of The compounds of this invention to mouse T lymphocyte (ConA stimulation) propagation.
Wherein ordinate zou is represented T cell appreciation rate (%); X-coordinate is a test compounds; A is untreated splenocyte; B is the splenocyte that ConA stimulates;
The representation compound consumption is 100 μ m;
The representation compound consumption is 25 μ m; # represents P<0.01, compares with A (untreated splenocyte);
*P<0.05,
*P<0.01,
* *Compare with B (splenocyte that ConA stimulates) P<0.001.
Embodiment
To help understanding of the present invention through following embodiment, but not limit content of the present invention in any form.
Embodiment 1
Synthetic compound (S)-2-((2S, 3S, 4S; 5R)-tetrahydrochysene-3; 4-dihydroxyl-5-(methylol) furans-2-yl)-3-methylthiazol alkane-4-ketone and compound (being called for short compound 4a) and (R)-2-((2S, 3S, 4S; 5R)-and tetrahydrochysene-3,4-dihydroxyl-5-(methylol) furans-2-yl)-3-methylthiazol alkane-4-ketone (being called for short compound 5a).
Its chemical reaction flow process is following:
(1) is alditol in the above-mentioned reaction formula, (2a) is methylamine hydrochloride, and (3) are Thiovanic acid;
Concrete grammar is:
((2S, 3S, 4S, 5R)-3,4-dihydroxyl-5-(methylol) furans-2-formaldehyde) and methylamine hydrochloride (1.2equiv) are dissolved in the 3mL anhydrous methanol, and the room temperature nitrogen protection was stirred 60 minutes down to take by weighing 200mg (1.23mmol) alditol; Add Thiovanic acid (2.0equiv) subsequently, continued stirring at room 30 minutes, finish reaction, add Anhydrous potassium carbonate powder neutralization reaction liquid to pH=7, (methyl alcohol: column chromatography water=70: 30) obtains isomer 4a and 5a to the reverse phase silica gel post of last C18.
Starting raw material alditol in the present embodiment ((2S, 3S, 4S, 5R)-3, and 4-dihydroxyl-5-(methylol) furans-2-formaldehyde) can be synthetic according to following method:
Its chemical reaction flow process is following:
Concrete compound method may further comprise the steps:
D-glucosamine hydrochloride 6 (commercially available) 10.8g (50mmol) is used the 100ml water dissolution, in cryosel is bathed, add NaNO in batches
26.9g (100mmol), add H+ ion exchange resin 70g again, vigorous stirring is simultaneously kept 0~5 ℃ of the temperature of reaction system in batches; Reinforced finishing removes cryosel and bathes, vigorous stirring 1h under the room temperature (TLC monitoring reaction), and reaction finishes; The elimination resin, filtrating is neutralized to neutrality with resin anion(R.A), elimination resin, concentrated filtrate; Have in a large number to salt out, use the anhydrous methanol lysate, filtering salt, concentrated filtrate; (second second: methyl alcohol=7: 1) get 6.5g yellow solid 1, yield is 85%, and fusing point is 31-32 ℃, [α] with the silicagel column separation and purification
25 D+ 31.7 (c 1.0, CH
3OH) (literature value: fusing point is 33 ℃, [α]
25 D+ 31.8 ° (c 1.0, CH
3OH), reference: Samantha, C., et al., Carbohydra.Res.1999,315,339-344.).
Embodiment 2
Synthetic compound (S)-2-((2S, 3S, 4S; 5R)-tetrahydrochysene-3; 4-dihydroxyl-5-(methylol) furans-2-yl)-3-butyl thiazolidin-4-one (be called for short compound 4b) and (R)-2-((2S, 3S, 4S; 5R)-and tetrahydrochysene-3,4-dihydroxyl-5-(methylol) furans-2-yl)-3-butyl thiazolidin-4-one (being called for short compound 5b).
Its chemical reaction flow process is following:
(1) is alditol in the above-mentioned reaction formula, and (2b) n-Butyl Amine 99 is for (3) are Thiovanic acid;
Concrete grammar is:
((2S, 3S, 4S, 5R)-3,4-dihydroxyl-5-(methylol) furans-2-formaldehyde) and n-Butyl Amine 99 (1.2equiv) are dissolved in the 3mL anhydrous methanol, and the room temperature nitrogen protection was stirred 60 minutes down to take by weighing 200mg (1.23mmol) alditol; Add Thiovanic acid (2.0equiv) subsequently, continued stirring at room 30 minutes, finish reaction, add Anhydrous potassium carbonate powder neutralization reaction liquid to pH=7, (methyl alcohol: column chromatography water=72: 28) obtains isomer 4b and 5b to the reverse phase silica gel post of last C18.
Compound 5b: yellow syrup, yield 24.5%. δ
H(600MHz, CD
3OD): 0.98 (3H, J=7.2Hz, CH
3), 1.31-1.41 (2H, m, CH
2), 1.56-1.67 (2H, m, CH
2), 3.08-3.12 (1H, m, CH), 3.37 (1H, d, J=15.6Hz, H-5); 3.60 (1H, dd, J=12.0Hz, 4.8Hz, H-5), 3.72-3.77 (3H, m, CH; H-1 ', H-5 '), 3.89-3.93 (1H, m, H-4 '), 4.04-4.08 (2H, m, H-5 '; H-2 '), 4.17 (1H, d, J=6.6Hz, H-3 '), 4.91 (1H, s, H-2); δ
C(125MHz, CD
3OD): 12.7,19.6,28.8,32.5,42.2,61.4 (C-2), 64.1,76.0,77.9,80.6,83.8,172.9 (C-4); HRMS (ESI): Calcd for C
12H
21NO
5SNa (M+Na)
+, 314.1038, Found:314.1035
With reference to embodiment 1 and 2 said methods, be raw material with NSC 9824 (2c) and stearylamine (2d) respectively, can obtain the compound of following different optical isomer:
Compound 4c i.e. (S)-2-((2S, 3S, 4S, 5R)-tetrahydrochysene-3,4-dihydroxyl-5-(methylol) furans-2-yl)-3-octyl group thiazolidin-4-one;
Compound 5c i.e. (R)-2-((2S, 3S, 4S, 5R)-tetrahydrochysene-3,4-dihydroxyl-5-(methylol) furans-2-yl)-3-octyl group thiazolidin-4-one;
Compound 4d i.e. (S)-2-((2S, 3S, 4S, 5R)-tetrahydrochysene-3,4-dihydroxyl-5-(methylol) furans-2-yl)-3-octadecyl thiazolidin-4-one;
Compound 5d i.e. (R)-2-((2S, 3S, 4S, 5R)-tetrahydrochysene-3,4-dihydroxyl-5-(methylol) furans-2-yl)-3-octadecyl thiazolidin-4-one;
The particular chemical formula is following:
Compound 4c: colourless syrup, yield 24.0%. δ
H(600MHz, CD
3OD): 0.94 (3H, t, J=6.6Hz, CH
3), 1.33-1.36 (10H, m, 5CH
2), 1.61-1.69 (2H, m, CH
2), 3.34-3.35 (1H, m, CH); 3.49 (1H, d, J=15.6Hz, H-5), 3.65 (1H, dd, J=13.2Hz, 7.2Hz, H-5 '); 3.72-3.75 (2H, m, CH, H-5), 3.78-3.83 (1H, m, H-4 '), 3.98 (1H; Q, J=5.4Hz, H-1 '), 4.03 (1H, t, J=4.8Hz, H-2 '), 4.15 (1H; Q, J=4.8Hz, H-3 '), 5.01 (1H, dd, J=7.2Hz, 4.8Hz, H-2); δ
C(125MHz, CD
3OD); 13.2,22.4,26.5,29.0,29.1,31.4,31.7,44.3,61.9 (C-2), 62.2,77.5,78.9,85.4,86.6,172.6 (C-4); HRMS (ESI): Calcd for C
16H
29NO
5SNa (M+Na)
+, 370.1664, Found:370.1657.
Compound 5c: colourless syrup, yield 15.0%. δ
H(600MHz, CD
3OD): 0.92 (3H, t, J=6.6Hz, CH
3), 1.32-1.35 (10H, m, 5CH
2), 1.56-1.69 (2H, m, CH
2), 3.07-3.11 (1H, m, CH), 3.37 (1H, d, J=15.6Hz, H-5); (3.65 1H, dd, J=12.0Hz, 4.8Hz, H-5 '), 3.67-3.77 (3H, m, CH; H-5, H-5 '), 3.89-3.92 (1H, m, H-4 '), 4.03-4.08 (2H, m, H-2 '; H-1 '), 4.16 (1H, d, J=6.6Hz, H-3 '), 4.90 (1H, s, H-2); δ
C(125MHz, CD
3OD): 13.0,22.3,26.4,26.6,28.9,28.9,31.5,32.4,42.45,61.5 (C-2), 64.1,76.1,77.8,80.6,83.8,172.9 (C-4); HRMS (ESI): Calcd for C
16H
29NO
5SNa (M+Na)
+, 370.1664, Found:370.1665.
Compound 4d: yellow solid, yield 13.8%. δ
H(600MHz, CD
3OD): 0.92 (3H, t, J=7.2Hz, CH
3), 1.31-1.37 (30H, m, 15CH
2), 1.61-1.70 (2H, m, CH
2), 3.34-3.39 (1H, m, CH), 3.47 (1H, d, J=15.6Hz, H-5), 3.64 (1H, dd, J=12.0Hz; 5.4Hz, H-5), 3.65-3.71 (1H, m, H-1 '), 3.73 (1H, t, J=3.6Hz, H-5 '), 3.77-3.82 (1H, m; CH), 3.96-3.98 (1H, m, H-4 '), 4.02 (1H, t, J=5.4Hz, H-5 '), 4.11 (1H, t, J=4.2Hz; H-2 '), 4.14 (1H, t, J=4.8Hz, H-3 '), 5.00 (1H, dd, J=7.2Hz, 1.8Hz, H-2); δ
C(125MHz, CD
3OD): 13.1,22.3,26.4,28.9,29.1,29.3,29.4,29.4,31.3,31.7,44.3,61.7 (C-2), 62.0,77.4,78.7,85.2,86.5,172.5 (C-4); HRMS (ESI): Calcd for C
26H
49NO
5SNa (M+Na)
+, 510.3229, Found:510.3232.
Compound 5d: white solid, yield 22.2%. δ
H(600MHz, CD
3OD): 0.93 (3H, t, J=6.6Hz, CH
3), 1.32-1.36 (30H, m, 15CH
2), 1.58-1.68 (2H, m, CH
2, H-5), 3.31-3.38 (2H, m, H-1 ', H-5), 3.59-3.82 (3H, m, CH, H-5 ', H-1), and 3.86-3.94 (1H, m, H-4 '), 4.06-4.09 (1H, m, H-2 '), 4.17-4.19 (1H, m, H-3 '), 4.91 (1H, s, H-2); δ
C(125MHz, CD
3OD): 13.1,22.2,26.6,28.9,29.1,29.4,29.7,31.3,32.5,42.3,61.5 (C-2), 64.1,76.0,78.8,83.6,84.5,172.5 (C-4); HRMS (ESI): Calcd for C
26H
49NO
5SNa (M+Na)
+, 510.3229, Found:510.3225.
Embodiment 3
Synthetic compound (S)-2-((2S, 3S, 4S; 5R)-tetrahydrochysene-3; 4-dihydroxyl-5-(methylol) furans-2-yl)-3-phenyl thiazole alkane-4-ketone (be called for short compound 4e) and (R)-2-((2S, 3S, 4S; 5R)-and tetrahydrochysene-3,4-dihydroxyl-5-(methylol) furans-2-yl)-3-phenyl thiazole alkane-4-ketone (being called for short compound 5e).
Its chemical reaction flow process is following:
Concrete grammar is:
((2S, 3S, 4S, 5R)-3,4-dihydroxyl-5-(methylol) furans-2-formaldehyde) and aniline 2e (1.2equiv) are dissolved in the 3mL anhydrous methanol, and the room temperature nitrogen protection was stirred 60 minutes down to take by weighing 200mg (1.23mmol) alditol 1; Add Thiovanic acid (2.0equiv) subsequently, continued stirring at room 30 minutes, finish reaction, add Anhydrous potassium carbonate powder neutralization reaction liquid to pH=7, (methyl alcohol: column chromatography water=70: 30) obtains isomer 4e and 5e to the reverse phase silica gel post of last C18.
Embodiment 4
Compound is to mouse T lymphocyte proliferation activity testing method: get the BALb/C mouse boosting cell, be made into 4.5 * 10 with the RPMI1640 substratum that contains 5%FCS
5/ well, 90uL.The every kind of compound sample (4a, 5a, 4b, 4e, 5e) that adds ConA (being concanavalin A) (10 μ g/mL) and two kinds of final concentrations of 100,25 μ M, 37 ℃, 5%CO
2Hatched under the condition 72 hours, and establish the splenocyte group that do not add sample compound splenocyte and only add ConA and be contrast, all tests all repeat 3 times at least, establish 4 multiple holes at every turn.Measure the absorbancy (A) of cell with mtt assay, calculate proliferation rate (%)=(A at the 570nm place
The administration group-A
Control group)/A
Control group* 100%.The result sees Fig. 1.
Visible by Fig. 1, chemical general formula of the present invention compound 4a, 5a, 4b, 4e, 5e shown in (I) have obvious promoter action to the lymphocytic propagation of T, and wherein compound 4e (25 μ M) effect is the most remarkable.
Embodiment 5
Get the compound 4a 5mg of embodiment 1 preparation, lactose 60mg, potato powder 30mg, Z 150PH 2mg, Magnesium Stearate 1mg is prepared into oral tablet.
Listed examples 1-5 of the present invention is intended to illustrate chemical structure, preparation method and this compounds of one type of class nucleoside derivates that contains thiazole (piperazine) alkane ketone ring to immune lymphocyte proliferation activity; Embodiment singly is not the compound method and the immunoregulatory activity of the described concrete compound of explanation itself; Also can be used for simultaneously explaining kind and the quantity that changes raw material; Synthetic its homologue and analogue, and scope of the present invention is not constituted any restriction.
Claims (3)
- 2. the described compound method that contains the class nucleoside derivates of thiazolidone ring of a claim 1 is characterized in that it may further comprise the steps:A, be starting raw material with aromatic amine or aliphatic amide, alditol, in the anhydrous methanol solvent, according to mol ratio 1.2:1, stirring and dissolving; The chemical general formula of alditol wherein is:;B, microwave radiation or stirring at room according to alditol and Thiovanic acid mol ratio 1:2, add the Thiovanic acid reaction, transfer pH6.5-7.5, and extraction obtains chemical general formula compound shown in (I);Wherein k is 1; M is 0; X is a Sauerstoffatom, R 1Be methylol; R 2Be methyl, butyl, phenyl, octyl group or octadecyl.
- 3. the described application of class nucleoside derivates in preparation immunomodulator pharmaceutical prepn that contains the thiazolidone ring of claim 1.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011100445410A CN102153548B (en) | 2011-02-24 | 2011-02-24 | Analogue nucleoside derivative containing thiazolidone (thiazinidone) ring, preparation method and application thereof to medicinal preparations |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011100445410A CN102153548B (en) | 2011-02-24 | 2011-02-24 | Analogue nucleoside derivative containing thiazolidone (thiazinidone) ring, preparation method and application thereof to medicinal preparations |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102153548A CN102153548A (en) | 2011-08-17 |
CN102153548B true CN102153548B (en) | 2012-11-28 |
Family
ID=44435259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011100445410A Expired - Fee Related CN102153548B (en) | 2011-02-24 | 2011-02-24 | Analogue nucleoside derivative containing thiazolidone (thiazinidone) ring, preparation method and application thereof to medicinal preparations |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102153548B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111205240A (en) * | 2020-03-06 | 2020-05-29 | 魏彬 | Immunity regulator containing thiazolidine-4-ketone and its application |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE238328T1 (en) * | 1996-10-16 | 2003-05-15 | Ribapharm Inc | MONOCYCLIC L-NUCLEOSIDES, ANALOGAS AND THEIR APPLICATIONS |
WO2003045968A1 (en) * | 2001-11-27 | 2003-06-05 | Anadys Pharmaceuticals, Inc. | 3-β-D-RIBOFURANOSYLTHIAZOLO[4,5-d]PYRIDIMINE NUCLEOSIDES AND USES THEREOF |
MXPA06014182A (en) * | 2004-06-07 | 2007-06-25 | Anadys Pharmaceuticals Inc | 3-beta-D-RIBOFURANOSYLTHIAZOLO[4,5-d]PYRIDIMINE NUCLEOSIDES AND USES THEREOF. |
-
2011
- 2011-02-24 CN CN2011100445410A patent/CN102153548B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN102153548A (en) | 2011-08-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU2018217236B2 (en) | Synthesis of polycyclic-carbamoylpyridone compounds | |
AU2012204336B2 (en) | Methods for preparation of glycosphingolipids and uses thereof | |
Tanino et al. | Total synthesis of (−)-muraymycin D2 and its epimer | |
Zhang et al. | Polyoxins and nikkomycins: progress in synthetic and biological studies | |
US10233202B2 (en) | Tenofovir monobenzyl ester phosphamide prodrug, preparation method and use thereof | |
CN108473477A (en) | The pyrimidine of aryl substitution for being used in influenza infection | |
JP6917527B2 (en) | SGLT inhibitors and their applications | |
US7521569B2 (en) | Process to obtain dibenzylbutyrolactonic lignans, process to obtain synthetic derivatives from lignans bearing anti-Chagas chemoprophylactic and therapeutical activities | |
CN102153548B (en) | Analogue nucleoside derivative containing thiazolidone (thiazinidone) ring, preparation method and application thereof to medicinal preparations | |
JPS5953499A (en) | Desoxyuridine derivative, manufacture and medicine | |
Vale et al. | Primaquine dipeptide derivatives bearing an imidazolidin-4-one moiety at the N-terminus as potential antimalarial prodrugs | |
CN103059074B (en) | Glucosamine peptidomimetic compound as well as preparation method and application thereof | |
JP4233262B2 (en) | Carbasugar amine derivatives and glycosidase inhibitors using the same | |
CN106905193B (en) | Aroyl guanidine radicals Oseltamivir carboxylic acid derivates and its preparation method and application | |
CN109678815A (en) | N- benzyl benzamide derivatives and preparation method thereof and pharmaceutical applications | |
Steiner et al. | 1-Deoxygalactonojirimycin-lysine hybrids as potent D-galactosidase inhibitors | |
NO177589B (en) | Polyhydroksycyklopentanderivat | |
CN101829598B (en) | Preparation method of acetylated glycosyl thiourea derivative and application thereof in isoquinoline acid synthesis | |
US8349834B2 (en) | Dioxolane derivates for the treatment of cancer | |
CN104854124A (en) | Macrocyclic ketoamide immunoproteasome inhibitors | |
CN102417528A (en) | Thiazole (-zin) alkane ketone ring conjoined disaccharide compound, its preparation method and application in pharmaceutical preparation | |
Fernández et al. | Polyhydroxylated cyclopentane β-amino acids derived from D-mannose and D-galactose: synthesis and protocol for incorporation into peptides | |
CN105001197A (en) | Alogliptin derivative I, preparation method and application thereof | |
JP4248052B2 (en) | Novel anhydrodeoxyinositol and glycosidase inhibitors | |
JPH0560474B2 (en) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20170224 |
|
CF01 | Termination of patent right due to non-payment of annual fee |