AR218060A1 - PROCEDURE FOR THE PREPARATION OF ACID DERIVATIVES 11-OXO-11H-PIRIDO (2,1-B) QUINAZOLINA-2-CARBOXILICO - Google Patents

PROCEDURE FOR THE PREPARATION OF ACID DERIVATIVES 11-OXO-11H-PIRIDO (2,1-B) QUINAZOLINA-2-CARBOXILICO

Info

Publication number: AR218060A1
Authority: AR; Argentina
Prior art keywords: quinazolina; carboxilico; pirido; oxo; procedure
Prior art date: 1977-03-24

Application number

AR271538A

Other languages

Spanish (es)

Original Assignee

Hoffmann La Roche

Priority date (The priority date 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 date listed.)

1977-03-24

Filing date

1978-03-27

Publication date

1980-05-15

1978-03-27 Application filed by Hoffmann La Roche filed Critical Hoffmann La Roche

1980-05-15 Application granted granted Critical

1980-05-15 Publication of AR218060A1 publication Critical patent/AR218060A1/en

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
- C07D213/60—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
- C07D213/78—Carbon atoms having three bonds to hetero atoms, with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D213/81—Amides; Imides
- C07D213/82—Amides; Imides in position 3
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P37/00—Drugs for immunological or allergic disorders
- A61P37/08—Antiallergic agents
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
- C07C205/49—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by carboxyl groups
- C07C205/57—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by carboxyl groups having nitro groups and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
- C07C205/59—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by carboxyl groups having nitro groups and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton the carbon skeleton being further substituted by singly-bound oxygen atoms
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
- 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
- C07D213/61—Halogen atoms or nitro radicals
- 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
- C07D213/89—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 with hetero atoms directly attached to the ring nitrogen atom
- 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
- C07D471/04—Ortho-condensed systems

Landscapes

Organic Chemistry (AREA)
Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Medicinal Chemistry (AREA)
General Chemical & Material Sciences (AREA)
Bioinformatics & Cheminformatics (AREA)
Chemical Kinetics & Catalysis (AREA)
Life Sciences & Earth Sciences (AREA)
Pharmacology & Pharmacy (AREA)
Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
Pulmonology (AREA)
Engineering & Computer Science (AREA)
Immunology (AREA)
Animal Behavior & Ethology (AREA)
General Health & Medical Sciences (AREA)
Public Health (AREA)
Veterinary Medicine (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Nitrogen Condensed Heterocyclic Rings (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Agricultural Chemicals And Associated Chemicals (AREA)
Preparation Of Compounds By Using Micro-Organisms (AREA)
Plural Heterocyclic Compounds (AREA)

AR271538A 1977-03-24 1978-03-27 PROCEDURE FOR THE PREPARATION OF ACID DERIVATIVES 11-OXO-11H-PIRIDO (2,1-B) QUINAZOLINA-2-CARBOXILICO AR218060A1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US78093977A	1977-03-24	1977-03-24
US87156478A	1978-01-23	1978-01-23

Publications (1)

Publication Number	Publication Date
AR218060A1 true AR218060A1 (en)	1980-05-15

Family

ID=27119777

Family Applications (3)

Application Number	Title	Priority Date	Filing Date
AR271538A AR218060A1 (en)	1977-03-24	1978-03-27	PROCEDURE FOR THE PREPARATION OF ACID DERIVATIVES 11-OXO-11H-PIRIDO (2,1-B) QUINAZOLINA-2-CARBOXILICO
AR271537A AR218480A1 (en)	1977-03-24	1978-03-27	PROCEDURE FOR THE PREPARATION OF NEW QUINAZOLINE DERIVATIVES 6-, 7-U 8-SUBSTITUTED
AR276467A AR225415A1 (en)	1977-03-24	1979-05-10	PROCEDURE FOR THE OBTAINING OF NEW DERIVATIVES OF PIRIDO (2,1-B) QUINAZOLINA

Family Applications After (2)

Application Number	Title	Priority Date	Filing Date
AR271537A AR218480A1 (en)	1977-03-24	1978-03-27	PROCEDURE FOR THE PREPARATION OF NEW QUINAZOLINE DERIVATIVES 6-, 7-U 8-SUBSTITUTED
AR276467A AR225415A1 (en)	1977-03-24	1979-05-10	PROCEDURE FOR THE OBTAINING OF NEW DERIVATIVES OF PIRIDO (2,1-B) QUINAZOLINA

Country Status (23)

Country	Link
JP (2)	JPS53119896A (en)
AR (3)	AR218060A1 (en)
AT (2)	AT367050B (en)
AU (2)	AU521352B2 (en)
DE (2)	DE2812586A1 (en)
DK (2)	DK128878A (en)
ES (13)	ES468126A1 (en)
FI (2)	FI780918A (en)
FR (2)	FR2384770A1 (en)
GB (2)	GB1601991A (en)
GR (2)	GR73170B (en)
HU (1)	HU180782B (en)
IE (1)	IE46505B1 (en)
IL (2)	IL54326A (en)
IT (2)	IT1093710B (en)
LU (2)	LU79290A1 (en)
MC (2)	MC1186A1 (en)
NL (2)	NL7803122A (en)
NO (2)	NO781053L (en)
NZ (2)	NZ186760A (en)
PH (2)	PH13915A (en)
PT (2)	PT67821B (en)
SE (2)	SE7803418L (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2557425C2 (en) *	1975-12-19	1987-03-19	C.H. Boehringer Sohn, 6507 Ingelheim	11-Oxo-11-H-pyrido[2,1-b]-quinazoline-2-carboxylic acid and its salts, processes for their preparation and medicaments
DE2845766A1 (en) *	1978-10-18	1980-04-30	Schering Ag	PYRIDO ANGLE CLAMP ON 2,1-B ANGLE CLAMP ON -CHINAZOLINONE DERIVATIVES, THEIR PRODUCTION AND USE
US4395549A (en)	1981-10-02	1983-07-26	Chinoin Gyogyszer Es Vegyeszeti Termekek Gyara Rt.	6-Hydrazono-pyrido[2,1-b] quinazoline-11 ones
ES511866A0 (en) *	1982-04-30	1983-06-01	Lafarquim	"PROCEDURE FOR OBTAINING 2-ISOPROPIL PIRIDO (2-1-B) QUINAZOLINAS AND ITS NON-TOXIC SALTS WITH ANTIANAPHILACTIC ACTIVITY".
US4551460A (en) *	1982-05-10	1985-11-05	Hoffmann-La Roche Inc.	Pyrido[2,1-b]quinazoline derivatives useful as agents for treatment of allergic conditions and vascular disorders involving thrombosis
DE3300477A1 (en) *	1983-01-08	1984-07-12	Boehringer Ingelheim KG, 6507 Ingelheim	NEW HETEROCYCLIC COMPOUNDS, THEIR PRODUCTION AND USE
JPS62238264A (en) *	1986-04-04	1987-10-19	Nippon Tokushu Noyaku Seizo Kk	2-halo-5-acetylpyridine

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4012387A (en) *	1975-09-18	1977-03-15	Warner-Lambert Company	Benzo-[g]pyrido[2,1-b]quinazolinones
US4033961A (en) *	1975-10-07	1977-07-05	Warner-Lambert Company	Pyrido[2-1-b]quinazolin-ones and their methods of preparation

1978
- 1978-03-22 LU LU79290A patent/LU79290A1/en unknown
- 1978-03-22 NZ NZ186760A patent/NZ186760A/en unknown
- 1978-03-22 ES ES468126A patent/ES468126A1/en not_active Expired
- 1978-03-22 NL NL7803122A patent/NL7803122A/en not_active Application Discontinuation
- 1978-03-22 NZ NZ186759A patent/NZ186759A/en unknown
- 1978-03-22 NO NO781053A patent/NO781053L/en unknown
- 1978-03-22 HU HU78HO2058A patent/HU180782B/en unknown
- 1978-03-22 NL NL7803112A patent/NL7803112A/en not_active Application Discontinuation
- 1978-03-22 FR FR7808316A patent/FR2384770A1/en active Granted
- 1978-03-22 PH PH20917A patent/PH13915A/en unknown
- 1978-03-22 LU LU79293A patent/LU79293A1/en unknown
- 1978-03-22 DK DK128878A patent/DK128878A/en not_active Application Discontinuation
- 1978-03-22 FR FR7808317A patent/FR2384771A1/en active Granted
- 1978-03-22 IL IL54326A patent/IL54326A/en unknown
- 1978-03-22 DE DE19782812586 patent/DE2812586A1/en not_active Withdrawn
- 1978-03-22 PH PH20918A patent/PH14130A/en unknown
- 1978-03-22 DK DK132778A patent/DK132778A/en not_active IP Right Cessation
- 1978-03-22 IL IL54328A patent/IL54328A/en unknown
- 1978-03-22 MC MC781292A patent/MC1186A1/en unknown
- 1978-03-22 MC MC781291A patent/MC1185A1/en unknown
- 1978-03-22 ES ES468127A patent/ES468127A1/en not_active Expired
- 1978-03-22 DE DE19782812585 patent/DE2812585A1/en not_active Withdrawn
- 1978-03-22 NO NO781051A patent/NO781051L/en unknown
- 1978-03-23 IT IT7821578A patent/IT1093710B/en active
- 1978-03-23 GB GB11705/78A patent/GB1601991A/en not_active Expired
- 1978-03-23 GB GB11704/78A patent/GB1601371A/en not_active Expired
- 1978-03-23 PT PT67821A patent/PT67821B/en unknown
- 1978-03-23 SE SE7803418A patent/SE7803418L/en unknown
- 1978-03-23 PT PT67820A patent/PT67820A/en unknown
- 1978-03-23 SE SE7803419A patent/SE7803419L/en unknown
- 1978-03-23 AU AU34474/78A patent/AU521352B2/en not_active Expired
- 1978-03-23 IE IE582/78A patent/IE46505B1/en unknown
- 1978-03-23 AT AT0210278A patent/AT367050B/en not_active IP Right Cessation
- 1978-03-23 GR GR55782A patent/GR73170B/el unknown
- 1978-03-23 AU AU34475/78A patent/AU521096B2/en not_active Expired
- 1978-03-23 GR GR55781A patent/GR72948B/el unknown
- 1978-03-23 FI FI780918A patent/FI780918A/en not_active Application Discontinuation
- 1978-03-23 AT AT0210478A patent/AT367051B/en not_active IP Right Cessation
- 1978-03-23 FI FI780917A patent/FI780917A/en not_active Application Discontinuation
- 1978-03-24 JP JP3320578A patent/JPS53119896A/en active Pending
- 1978-03-24 IT IT21655/78A patent/IT1095493B/en active
- 1978-03-24 JP JP3400278A patent/JPS53119897A/en active Pending
- 1978-03-27 AR AR271538A patent/AR218060A1/en active
- 1978-03-27 AR AR271537A patent/AR218480A1/en active
1979
- 1979-02-16 ES ES478332A patent/ES478332A1/en not_active Expired
- 1979-02-16 ES ES478325A patent/ES478325A1/en not_active Expired
- 1979-02-16 ES ES478326A patent/ES478326A1/en not_active Expired
- 1979-02-16 ES ES478323A patent/ES478323A1/en not_active Expired
- 1979-02-16 ES ES478333A patent/ES478333A1/en not_active Expired
- 1979-02-16 ES ES478330A patent/ES478330A1/en not_active Expired
- 1979-02-16 ES ES478329A patent/ES478329A1/en not_active Expired
- 1979-02-16 ES ES478328A patent/ES478328A1/en not_active Expired
- 1979-02-16 ES ES478331A patent/ES478331A1/en not_active Expired
- 1979-02-16 ES ES478324A patent/ES478324A1/en not_active Expired
- 1979-02-16 ES ES478327A patent/ES478327A1/en not_active Expired
- 1979-05-10 AR AR276467A patent/AR225415A1/en active

Also Published As

Publication number	Publication date
GR72948B (en)	1984-01-17
NZ186759A (en)	1981-03-16
PT67821B (en)	1980-03-04
NL7803122A (en)	1978-09-26
FR2384771B1 (en)	1980-04-04
ES478324A1 (en)	1979-11-01
GR73170B (en)	1983-02-14
ES478325A1 (en)	1979-11-01
AU521096B2 (en)	1982-03-18
FR2384770B1 (en)	1980-10-24
NO781053L (en)	1978-09-26
ES478330A1 (en)	1979-11-01
GB1601991A (en)	1981-11-04
AT367050B (en)	1982-05-25
NO781051L (en)	1978-09-26
GB1601371A (en)	1981-10-28
AU521352B2 (en)	1982-04-01
IL54326A (en)	1982-04-30
AU3447578A (en)	1979-09-27
IL54326A0 (en)	1978-06-15
ES478323A1 (en)	1979-11-01
NZ186760A (en)	1981-03-16
PT67821A (en)	1978-04-01
AR218480A1 (en)	1980-06-13
ES478327A1 (en)	1979-11-01
PH14130A (en)	1981-02-26
AU3447478A (en)	1979-09-27
ES478332A1 (en)	1979-11-16
IT7821655A0 (en)	1978-03-24
PT67820A (en)	1978-04-01
IT7821578A0 (en)	1978-03-23
DK128878A (en)	1978-09-25
ES478329A1 (en)	1979-11-01
MC1185A1 (en)	1978-12-22
DK132778A (en)	1978-09-25
IT1093710B (en)	1985-07-26
ES468126A1 (en)	1979-09-01
ES478333A1 (en)	1979-11-16
ES478331A1 (en)	1979-11-16
IL54328A0 (en)	1978-06-15
ES478326A1 (en)	1979-11-01
SE7803419L (en)	1978-09-25
LU79293A1 (en)	1979-05-25
PH13915A (en)	1980-11-04
ATA210478A (en)	1981-10-15
JPS53119896A (en)	1978-10-19
IT1095493B (en)	1985-08-10
IE46505B1 (en)	1983-06-29
ES478328A1 (en)	1979-11-01
FI780918A (en)	1978-09-25
MC1186A1 (en)	1978-12-22
LU79290A1 (en)	1979-05-25
IE780582L (en)	1978-09-24
HU180782B (en)	1983-04-29
FR2384771A1 (en)	1978-10-20
AR225415A1 (en)	1982-03-31
ATA210278A (en)	1981-10-15
SE7803418L (en)	1978-09-25
AT367051B (en)	1982-05-25
DE2812586A1 (en)	1978-09-28
NL7803112A (en)	1978-09-26
IL54328A (en)	1982-03-31
FR2384770A1 (en)	1978-10-20
JPS53119897A (en)	1978-10-19
ES468127A1 (en)	1979-09-16
DE2812585A1 (en)	1978-09-28
FI780917A (en)	1978-09-25

Publication	Publication Date	Title
MX5673E (en)	1983-12-08	IMPROVED PROCEDURE FOR THE PREPARATION OF ACID DERIVATIVES D- (ALPHA-PHENOXIPROPIONICO)
ES494590A0 (en)	1981-08-16	PROCEDURE FOR THE PREPARATION OF B-CARBOLIN-3-CARBOXYL ACID DERIVATIVES
AR223958A1 (en)	1981-10-15	PROCEDURE FOR THE PREPARATION OF DERIVATIVES OF (4-HYDROXYPROLROLIDIN-2-ON-1-IL) -ACILAMIDE
AR219560A1 (en)	1980-08-29	PROCEDURE FOR THE PREPARATION OF 5,5-DIMETHYL-HYDANTOINE DERIVATIVES
MX5477E (en)	1983-08-19	PROCEDURE FOR THE PREPARATION OF DERIVATIVES OF PSEUDOMONIC ACID
MX5877E (en)	1984-08-16	PROCEDURE FOR THE PREPARATION OF DERIVATIVES OF THE PIRIDILOXIFENOXI-ALPHA-PROPIONIC ACID
AR219734A1 (en)	1980-09-15	PROCEDURE FOR THE PREPARATION OF DERIVATIVES OF (4-HYDROXYPROLROLIDIN-2-ON-1-IL) -ACILAMIDE
MX5149E (en)	1983-04-04	IMPROVED PROCEDURE FOR THE PREPARATION OF CYCLOALKYLIDENMETHYLPHENYLACETIC ACID DERIVATIVES
AR221851A1 (en)	1981-03-31	PROCEDURE FOR THE PREPARATION OF 4-PIPERIDINE-6,7-DIALCOXY-QUINAZOLINE DERIVATIVES
AR221428A1 (en)	1981-01-30	PROCEDURE FOR THE PREPARATION OF DERIVATIVES OF PIRROLIDINIL-Y OF PIRROLIDINILMETIL-BENZAMIDAS
AR221051A1 (en)	1980-12-30	PROCEDURE FOR THE PREPARATION OF DERIVATIVES OF AMINODESOXICLAVULANIC ACID
AR223663A1 (en)	1981-09-15	PROCEDURE FOR THE PREPARATION OF DERIVATIVES 1,6-DISSTITUTED ACID 4-PIRIDON-3-CARBOXILICO
MX5256E (en)	1983-05-23	PROCEDURE FOR THE PREPARATION OF DERIVATIVES OF 20,21-DINOREBURNAMENINE
AR217688A1 (en)	1980-04-15	PROCEDURE FOR THE PREPARATION OF DERIVATIVES OF TRANS-2-SUBSTITUTED-5-ARYL-2,3,4,4A, 5,9B-HEXAHIDRO-1H-PIRIDO (4,3-B) -INDOL
MX5006E (en)	1983-02-09	PROCEDURE FOR THE PREPARATION OF CYCLOHEXANCARBOXILIC ACID
AR218060A1 (en)	1980-05-15	PROCEDURE FOR THE PREPARATION OF ACID DERIVATIVES 11-OXO-11H-PIRIDO (2,1-B) QUINAZOLINA-2-CARBOXILICO
MX153817A (en)	1987-01-19	PROCEDURE FOR THE PREPARATION OF 4,4'-DINITRO-ESTILBEN-2,2-DISULFONICO ACID
ES490729A0 (en)	1981-04-16	PROCEDURE FOR THE PREPARATION OF NEW IMIDAS OF CYCLOBUTANDICARBOXYLIC ACID
AR218294A1 (en)	1980-05-30	PROCEDURE FOR THE PREPARATION OF OLEANOIC ACID DERIVATIVES
MX5206E (en)	1983-04-25	PROCEDURE FOR THE PREPARATION OF PHENOXI-ALPHA-VINYL-BENCIL-ESTERS OF CYCLOPROPANCARBOXYLIC ACID
ES491601A0 (en)	1981-05-16	PROCEDURE FOR THE PREPARATION OF N-ACIL-AMINO ACID DERIVATIVES
MX3745E (en)	1981-06-11	PROCEDURE FOR THE PREPARATION OF ACID 6,11-DIHIDRO-11-OXODIBENZ- (B, E) OXEPIN-2-ALCANOICO
ES490959A0 (en)	1980-12-01	PROCEDURE FOR THE PREPARATION OF SUBSTITUTED PI-RROLIDINILSULFAMOILBENZOIC ACID DERIVATIVES
ES494594A0 (en)	1981-08-16	PROCEDURE FOR THE PREPARATION OF AL-CANOCARBOXYLIC ACID DERIVATIVES
AR218348A1 (en)	1980-05-30	PROCEDURE FOR THE PRODUCTION OF 2,5-DICETOGLUCONIC ACID