NO173828C - Process for Preparation of 1,2-Dihydro-3H-pyrrolo- (1,2-a) -pyrrole-1,7-dicarboxylic acid and its lower dialkyl esters - Google Patents

Process for Preparation of 1,2-Dihydro-3H-pyrrolo- (1,2-a) -pyrrole-1,7-dicarboxylic acid and its lower dialkyl esters

Info

Publication number
NO173828C
NO173828C NO903995A NO903995A NO173828C NO 173828 C NO173828 C NO 173828C NO 903995 A NO903995 A NO 903995A NO 903995 A NO903995 A NO 903995A NO 173828 C NO173828 C NO 173828C
Authority
NO
Norway
Prior art keywords
pyrrolo
pyrrole
dihydro
preparation
dicarboxylic acid
Prior art date
Application number
NO903995A
Other languages
Norwegian (no)
Other versions
NO173828B (en
NO903995D0 (en
NO903995L (en
Inventor
Hiralal N Khatri
Michael P Fleming
George C Schloemer
Original Assignee
Systex Inc
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.)
Filing date
Publication date
Priority claimed from US07/003,162 external-priority patent/US4835288A/en
Priority claimed from US07/003,104 external-priority patent/US4849526A/en
Priority claimed from NO880127A external-priority patent/NO169124C/en
Publication of NO903995L publication Critical patent/NO903995L/en
Application filed by Systex Inc filed Critical Systex Inc
Priority to NO903995A priority Critical patent/NO173828C/en
Publication of NO903995D0 publication Critical patent/NO903995D0/en
Publication of NO173828B publication Critical patent/NO173828B/en
Publication of NO173828C publication Critical patent/NO173828C/en

Links

NO903995A 1987-01-14 1990-09-13 Process for Preparation of 1,2-Dihydro-3H-pyrrolo- (1,2-a) -pyrrole-1,7-dicarboxylic acid and its lower dialkyl esters NO173828C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NO903995A NO173828C (en) 1987-01-14 1990-09-13 Process for Preparation of 1,2-Dihydro-3H-pyrrolo- (1,2-a) -pyrrole-1,7-dicarboxylic acid and its lower dialkyl esters

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US07/003,162 US4835288A (en) 1987-01-14 1987-01-14 Process for preparing (+)-2,3-dihydro-1H-pyrrolo[1,2-a]pyrrole-1,7-dicarboxylates
US07/003,104 US4849526A (en) 1987-01-14 1987-01-14 Process for preparing (±)-2,3-dihydro-1H-pyrrolo[1,2-A]pyrrole-1,7-dicarboxylates
NO880127A NO169124C (en) 1987-01-14 1988-01-13 PROCEDURE FOR PREPARING 1,2-DIHYDRO-3H-PYRROLO- (1,2-A) -PYRROL-1,7-DICARBOXYLIC ACID AND ITS LOWER DIALKYL ESTERS
NO903995A NO173828C (en) 1987-01-14 1990-09-13 Process for Preparation of 1,2-Dihydro-3H-pyrrolo- (1,2-a) -pyrrole-1,7-dicarboxylic acid and its lower dialkyl esters

Publications (4)

Publication Number Publication Date
NO903995L NO903995L (en) 1988-07-15
NO903995D0 NO903995D0 (en) 1990-09-13
NO173828B NO173828B (en) 1993-11-01
NO173828C true NO173828C (en) 1994-02-09

Family

ID=27484170

Family Applications (1)

Application Number Title Priority Date Filing Date
NO903995A NO173828C (en) 1987-01-14 1990-09-13 Process for Preparation of 1,2-Dihydro-3H-pyrrolo- (1,2-a) -pyrrole-1,7-dicarboxylic acid and its lower dialkyl esters

Country Status (1)

Country Link
NO (1) NO173828C (en)

Also Published As

Publication number Publication date
NO173828B (en) 1993-11-01
NO903995D0 (en) 1990-09-13
NO903995L (en) 1988-07-15

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