[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Usol'tseva et al., 1991 - Google Patents

Synthesis and transformations of 2-amino-1, 3, 4-thiadiazines

Usol'tseva et al., 1991

View PDF
Document ID
181723905872863290
Author
Usol'tseva S
Andronnikova G
Nikolaeva S
Lebedev A
Shevyrin V
Publication year
Publication venue
Chemistry of Heterocyclic Compounds

External Links

Snippet

Depending on the reaction conditions, 2-amino-1, 3, 4-thiadiazine and 2-hydrazinothiazole derivatives were obtained by cyclization of thiosemicarbazide with ethyl bromopyruvate in concentrated hydrochloric acid. The rearrangements of 5-carbonyl-substituted 2-amino-1, 3 …
Continue reading at www.researchgate.net (PDF) (other versions)

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
    • C07D241/02—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings
    • C07D241/10—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D241/14—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
    • C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
    • C07D215/16—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D215/38—Nitrogen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by C07D451/00 - C07D477/00
    • C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
    • C07D487/04—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by C07D451/00 - C07D477/00
    • C07D487/12—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by C07D451/00 - C07D477/00 in which the condensed system contains three hetero rings
    • C07D487/14—Ortho-condensed systems
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
    • C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by C07D451/00 - C07D477/00
    • C07D487/22—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by C07D451/00 - C07D477/00 in which the condensed system contains four or more hetero rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
    • C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
    • C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
    • C07D401/12—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
    • C07D249/02—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms not condensed with other rings

Similar Documents

Publication Publication Date Title
Potts et al. 1, 2, 4-Triazoles. XXVII. Synthesis of the thiazolo [2, 3-c]-s-triazole and the thiazolo [3, 2-b]-s-triazole systems
Usol'tseva et al. Synthesis and transformations of 2-amino-1, 3, 4-thiadiazines
Usol'tseva et al. Depending on the reaction conditions, 2-amino-l, 3, 4-thiadiazine and 2. hydrazinothiazole derivatives were obtained by cyclization of thiosemicarbazide with ethyl bromopyruvate in concentrated hydrochloric acid. The rearrangements of 5-carbonyl-substituted 2. amino. l, 3, 4-thiadiazines to thiazole derivatives in an acidic medium were studied. One of the promising directions in the search for preparations that have biological activity is the synthesis of labile
Clark et al. Heterocyclic studies. Part XIII. Ready ring cleavage of some pyrimidine derivatives to give highly substituted ethylenes
Bomika et al. 2-Oxopyridine derivatives
Grinev et al. Synthesis and aminomethylation of derivatives of pyrazino [3.2. 1-jk] carbazole and diazepino [3.2. 1-jk] carbazole
Ukrainets et al. 4-Hydroxy-2-quinolones. 56. 4-(Adamant-1-yl) thiazolyl-2-amides of 1-R-4-Hydroxy-2-oxoquinoline-3-carboxylic Acids as Potential Antitubercular Agents
Lipson et al. Reaction of arylidene derivatives of Meldrum's acid with 3-amino-1, 2, 4-triazole
Ryabukhin et al. Synthesis of bis (o-hydroxyphenyl)-1, 3, 5-triazines, 1, 2, 4-triazoles, and oxadiazole by recyclization of the o-hydroxyphenyl-4-oxo-1, 3-benzoxazinium cation
Mamedov et al. 3‐(α‐Chlorobenzyl) quinoxalin‐2 (1H)‐ones as Versatile Reagents for the Synthesis of 3‐Benzylquinoxalin‐2 (1H)‐ones and Thiazolo [3, 4‐a] quinoxalin‐4 (5H)‐ones
Piskov et al. Synthesis of Δ2-imidazolines in ethylene gylcol
Lipunova et al. Fluorine-containing heterocycles: VIII. Transformations of 2-polyfluorobenzoylacrylates having a thiosemicarbazide fragment
Gromachevskaya et al. Synthesis of 3, 4-Dihydroquinazolines in the Reaction of o-Aminophenyldiphenylcarbinol with Nitriles
Shafran et al. Heterocyclic compounds containing diazo and cyano groups. 1. Diazoacetonitrile derivatives in the synthesis of 5-halo-1H-1, 2, 3-triazoles
Pushkareva et al. Cyclization of 5-diazoimidazole-4-thioamide: Synthesis of 2-azapurines
Gein et al. Intramolecular cyclization of 5-aryl-3-arylamino-4-benzoyl-1h-3-pyrrolin-2-ones to pyrrolo [3, 4-b] quinolines
Chunikhin et al. Synthesis of 2-amino-4-aryl-3-cyano-5-hydroxyimino-4, 5-dihydrothiophenes.
Tarui et al. Thermodynamic Effect of Commplementary Hydrogen Bond Base Pairing on Aromatic stacking Interaction in the Guanine-X-Trp Complex (X= Adenine, Guanine, Cytosine, Thymine)
Weinstock et al. Pteridines. VII. Some 2, 4-diamino-6-phenylpteridines
Kadyrova Vakhid A. Mamedov,* Nataliya A. Zhukova, Victor V. Syakaev, Tat’yana N. Beschastnova, Milyausha S. Kadyrova, Anastasiya O. Isaeva, b Sevil V. Mamedova, b Elena L. Gavrilova, b Shamil K. Latypov, and Oleg G. Sinyashina, b
Kuznetsov et al. Synthesis of pyrido [3, 4-d] pyrimidines by condensation of ethyl 1-benzyl-3-oxopiperidine-4-carboxylate with morpholine-4-carboxamidine
Eremeev et al. Reaction of 3, 4-diaminofurazan with β-keto esters
Kuz'menko et al. Oxidative cyclization of 2-amino-1-arylideneaminobenzimidazoles into 1, 2, 4-triazolo [1, 5-a] benzimidazoles
Pozharskii et al. Mutual effect of the N-amino group and the heteroring in N-aminobenzazoles
Taran et al. 4-Hydroxy-2-quinolones. 47. Synthesis and Diuretic Activity of (2H-1, 2, 4-Benzothiadiazine-1, 1-dioxide-3-yl) methylamides of 1-R-4-Hydroxy-2-oxoquinoline-3-carboxylic Acids