AR203717A1 - Procedimiento para preparar derivados amidicos del acido 9-oxo-13-trans-prostenoico - Google Patents
Procedimiento para preparar derivados amidicos del acido 9-oxo-13-trans-prostenoicoInfo
- Publication number
- AR203717A1 AR203717A1 AR247146A AR24714673A AR203717A1 AR 203717 A1 AR203717 A1 AR 203717A1 AR 247146 A AR247146 A AR 247146A AR 24714673 A AR24714673 A AR 24714673A AR 203717 A1 AR203717 A1 AR 203717A1
- Authority
- AR
- Argentina
- Prior art keywords
- oxo
- trans
- preparing
- procedure
- prostenoic acid
- Prior art date
Links
Classifications
-
- 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
- C07D213/24—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 with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D213/36—Radicals substituted by singly-bound nitrogen atoms
- C07D213/40—Acylated substituent nitrogen atom
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C405/00—Compounds containing a five-membered ring having two side-chains in ortho position to each other, and having oxygen atoms directly attached to the ring in ortho position to one of the side-chains, one side-chain containing, not directly attached to the ring, a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, and the other side-chain having oxygen atoms attached in gamma-position to the ring, e.g. prostaglandins ; Analogues or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C405/00—Compounds containing a five-membered ring having two side-chains in ortho position to each other, and having oxygen atoms directly attached to the ring in ortho position to one of the side-chains, one side-chain containing, not directly attached to the ring, a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, and the other side-chain having oxygen atoms attached in gamma-position to the ring, e.g. prostaglandins ; Analogues or derivatives thereof
- C07C405/0008—Analogues having the carboxyl group in the side-chains replaced by other functional groups
- C07C405/0016—Analogues having the carboxyl group in the side-chains replaced by other functional groups containing only hydroxy, etherified or esterified hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C405/00—Compounds containing a five-membered ring having two side-chains in ortho position to each other, and having oxygen atoms directly attached to the ring in ortho position to one of the side-chains, one side-chain containing, not directly attached to the ring, a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, and the other side-chain having oxygen atoms attached in gamma-position to the ring, e.g. prostaglandins ; Analogues or derivatives thereof
- C07C405/0008—Analogues having the carboxyl group in the side-chains replaced by other functional groups
- C07C405/0025—Analogues having the carboxyl group in the side-chains replaced by other functional groups containing keto groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C405/00—Compounds containing a five-membered ring having two side-chains in ortho position to each other, and having oxygen atoms directly attached to the ring in ortho position to one of the side-chains, one side-chain containing, not directly attached to the ring, a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, and the other side-chain having oxygen atoms attached in gamma-position to the ring, e.g. prostaglandins ; Analogues or derivatives thereof
- C07C405/0008—Analogues having the carboxyl group in the side-chains replaced by other functional groups
- C07C405/0033—Analogues having the carboxyl group in the side-chains replaced by other functional groups containing sulfur
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C405/00—Compounds containing a five-membered ring having two side-chains in ortho position to each other, and having oxygen atoms directly attached to the ring in ortho position to one of the side-chains, one side-chain containing, not directly attached to the ring, a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, and the other side-chain having oxygen atoms attached in gamma-position to the ring, e.g. prostaglandins ; Analogues or derivatives thereof
- C07C405/0008—Analogues having the carboxyl group in the side-chains replaced by other functional groups
- C07C405/0041—Analogues having the carboxyl group in the side-chains replaced by other functional groups containing nitrogen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C405/00—Compounds containing a five-membered ring having two side-chains in ortho position to each other, and having oxygen atoms directly attached to the ring in ortho position to one of the side-chains, one side-chain containing, not directly attached to the ring, a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, and the other side-chain having oxygen atoms attached in gamma-position to the ring, e.g. prostaglandins ; Analogues or derivatives thereof
- C07C405/005—Analogues or derivatives having the five membered ring replaced by other rings
- C07C405/0058—Analogues or derivatives having the five membered ring replaced by other rings having the side-chains or their analogues or derivatives attached to a not condensed ring different from a five-membered ring
- C07C405/0066—Analogues or derivatives having the five membered ring replaced by other rings having the side-chains or their analogues or derivatives attached to a not condensed ring different from a five-membered ring to a six-membered ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/377—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
- C07C51/38—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups by decarboxylation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/58—Preparation of carboxylic acid halides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C53/00—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen
- C07C53/15—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen containing halogen
- C07C53/19—Acids containing three or more carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C59/00—Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C59/01—Saturated compounds having only one carboxyl group and containing hydroxy or O-metal groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C59/00—Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C59/185—Saturated compounds having only one carboxyl group and containing keto groups
- C07C59/205—Saturated compounds having only one carboxyl group and containing keto groups containing rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C59/00—Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C59/40—Unsaturated compounds
- C07C59/76—Unsaturated compounds containing keto groups
- C07C59/80—Unsaturated compounds containing keto groups containing rings other than six-membered aromatic rings
- C07C59/82—Unsaturated compounds containing keto groups containing rings other than six-membered aromatic rings the keto group being part of a ring
-
- 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
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
- C07D207/20—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
-
- 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
- C07D213/60—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 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
- C07D213/62—Oxygen or sulfur atoms
- C07D213/63—One oxygen atom
- C07D213/65—One oxygen atom attached in position 3 or 5
-
- 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
- C07D213/60—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 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
- C07D213/72—Nitrogen atoms
- C07D213/75—Amino or imino radicals, acylated by carboxylic or carbonic acids, or by sulfur or nitrogen analogues thereof, e.g. carbamates
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D221/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00
- C07D221/02—Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00 condensed with carbocyclic rings or ring systems
- C07D221/20—Spiro-condensed ring systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
- C07D295/16—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms acylated on ring nitrogen atoms
- C07D295/18—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms acylated on ring nitrogen atoms by radicals derived from carboxylic acids, or sulfur or nitrogen analogues thereof
- C07D295/182—Radicals derived from carboxylic acids
- C07D295/185—Radicals derived from carboxylic acids from aliphatic carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
- C07D309/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
- C07D309/08—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having no 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
- C07D309/10—Oxygen atoms
- C07D309/12—Oxygen atoms only hydrogen atoms and one oxygen atom directly attached to ring carbon atoms, e.g. tetrahydropyranyl ethers
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
- C07D317/72—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 spiro-condensed with carbocyclic rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16271271A | 1971-07-14 | 1971-07-14 | |
US16271171A | 1971-07-14 | 1971-07-14 | |
US20895171A | 1971-12-16 | 1971-12-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
AR203717A1 true AR203717A1 (es) | 1975-10-15 |
Family
ID=27388789
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AR242566A AR193266A1 (es) | 1971-07-14 | 1972-06-15 | Un procedimiento para preparar un compuesto derivado de proctaglandina |
AR247146A AR203717A1 (es) | 1971-07-14 | 1973-03-20 | Procedimiento para preparar derivados amidicos del acido 9-oxo-13-trans-prostenoico |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AR242566A AR193266A1 (es) | 1971-07-14 | 1972-06-15 | Un procedimiento para preparar un compuesto derivado de proctaglandina |
Country Status (9)
Country | Link |
---|---|
AR (2) | AR193266A1 (es) |
BE (1) | BE786215A (es) |
CA (1) | CA987314A (es) |
CH (1) | CH576419A5 (es) |
DE (1) | DE2234706A1 (es) |
ES (1) | ES404882A1 (es) |
GB (1) | GB1377258A (es) |
IL (1) | IL39481A (es) |
NL (1) | NL7208576A (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4044043A (en) * | 1973-12-26 | 1977-08-23 | American Cyanamid Company | Derivatives of 9-oxo-13-trans-prostenoic acid esters |
CA1148149A (en) | 1977-12-08 | 1983-06-14 | Allan Wissner | Prostaglandin activity |
RU2440338C2 (ru) | 2005-01-27 | 2012-01-20 | Сукампо Аг | Способ и композиция для лечения заболеваний центральной нервной системы |
-
0
- BE BE786215D patent/BE786215A/xx unknown
-
1972
- 1972-05-18 IL IL39481A patent/IL39481A/xx unknown
- 1972-06-07 GB GB3199672A patent/GB1377258A/en not_active Expired
- 1972-06-13 CA CA144,602A patent/CA987314A/en not_active Expired
- 1972-06-15 AR AR242566A patent/AR193266A1/es active
- 1972-06-22 NL NL7208576A patent/NL7208576A/xx not_active Application Discontinuation
- 1972-07-14 DE DE2234706A patent/DE2234706A1/de not_active Ceased
- 1972-07-14 CH CH1057672A patent/CH576419A5/xx not_active IP Right Cessation
- 1972-07-14 ES ES404882A patent/ES404882A1/es not_active Expired
-
1973
- 1973-03-20 AR AR247146A patent/AR203717A1/es active
Also Published As
Publication number | Publication date |
---|---|
AR193266A1 (es) | 1973-04-11 |
ES404882A1 (es) | 1976-01-01 |
GB1377258A (en) | 1974-12-11 |
BE786215A (fr) | 1973-01-15 |
DE2234706A1 (de) | 1973-02-01 |
NL7208576A (es) | 1973-01-16 |
CA987314A (en) | 1976-04-13 |
IL39481A (en) | 1975-07-28 |
IL39481A0 (en) | 1972-07-26 |
CH576419A5 (es) | 1976-06-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
MX5097E (es) | Procedimiento para preparar derivados del acido tiazolilacetico | |
AR193131A1 (es) | Un procedimiento para la obtencion de derivados de acido fenoxialquilcarboxilico | |
AR203627A1 (es) | Sintesis de nuevos derivados del acido heterociclico-indol-3-ilacetico | |
AR213059A1 (es) | Procedimiento de preparacion de derivados de acido 7-acilaminocefalosporanico | |
AR208171A1 (es) | Procedimiento para la obtencion de nuevos derivados del acido cef-3-em-4-carboxilico | |
AR208111A1 (es) | Procedimiento para la preparacion del acido 7-d-(-)-alpha-amino-alpha-(p-hidroxifenilacetamido)cefalosporanico | |
AR213294A1 (es) | Procedimiento para preparar aminas del acido deoxiclavulanico | |
AR212688A1 (es) | Compuestos derivados del acido 7b-amino-cefam-3-ona-4-carboxilico y procedimiento para su elaboracion | |
AR217389A1 (es) | Procedimiento para preparar esteres del acido 7-amino o 7-acilamino-3-hidroxi-3-cefem-4-carboxilico | |
AR201273A1 (es) | Procedimiento para preparar compuestos antibioticos del acido 3-metil-delta3-cefam-4-carboxilico | |
AR196987A1 (es) | Procedimiento para la preparacion de nuevos derivados del acido 7-amino-cefaloesporanico | |
AR211760A1 (es) | Procedimiento para el preparado de nuevos derivados del acido hidroxibifenil-propionico | |
SE382809B (sv) | Forfarande for framstellning av fenoxiettiksyraderivat | |
AR208494A1 (es) | Procedimiento para preparar derivados de acidos dimetil pirrolaceticos | |
AR205610A1 (es) | Procedimiento para la obtencion de nuevos derivados del acido penam-3-carboxilico | |
AR205561A1 (es) | Proceso para la preparacion de derivados del acido 3-tiolado-7-acilamido-cefalosporanico | |
AR202261A1 (es) | Procedimiento para preparar derivados del acido 7-amino-3-mercaptometil-cefalosporanico | |
AR198122A1 (es) | Procedimiento para preparar acido 6-aminopenicilanico | |
AR203717A1 (es) | Procedimiento para preparar derivados amidicos del acido 9-oxo-13-trans-prostenoico | |
AR207751A1 (es) | Procedimiento para preparar derivados del acido 16alpha 17alpha -etilendioxi-3,20-dioxo-1,4-pregnadien-21-oico y sus sales sodicas y esteres alquilicos | |
AR218596A1 (es) | Procedimiento para preparar nuevos compuestos de acido xantona-2-carboxilicos 7-sustituidos | |
AR193397A1 (es) | Procedimiento para la preparacion de derivados del acido cefalosporanico | |
AR212746A1 (es) | Procedimiento para preparar derivados de acido 4-cloro-5-sulfamoil-antranilico | |
AR193249A1 (es) | Nuevos derivados del acido imidazolidintrioncarboxilico,procedimientos para su preparacion y composiciones que los incorporan | |
AR195903A1 (es) | Procedimiento para preparar 3-aminopropilester del acido bieomicinico |