Derivatives of pyrrolidin-2-ylcarbonylheterocyclic compounds

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United States of America Patent

PATENT NO 5547978
SERIAL NO

08346240

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Abstract

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The invention relates to derivatives of pyrrolidin-2-ylcarbonylheterocyclic compound of the general formula ##STR1## in which R.sup.1 represents C.sub.1-6 alkyl, C.sub.1-20 cycloalkyl, aryl or heteroaryl, R.sup.2 represents a heterocyclic compound selected from the group consisting of 2-thiazole, 2-oxazole, 2-imidazole, 2-pyrrole, 2-thiophene, 2-benzothiazole, 2-benzoxazole, 2-benzimidazole, 2-indole, 2-thiazolo[5,4-b]pyridine, 2-oxazolo[4,5-b]pyridine, 2-imidazo[4,5-b]pyridine, 5-thiazole, 2-thiazoline, 2-pyridine, 3-pyridine, 5-pyrimidine, 2-pyrazine, 2-triazole or 2-pyrazole wherein the heterocyclic compound may be unsubstituted or substituted independently with R.sup.4 or R.sup.5 wherein R.sup.4 and R.sup.5 are H, C.sub.1-5 alkyl, aryl or R.sup.4 and R.sup.5 may be ortho substituents on the heterocyclic compounds and connected to form an aryl or heteroaryl ring, A represents a cyclic amino acid, X is oxygen atom, thiomethlene or methylene residue, m is an integer from 1 to 5, to a process for the preparation thereof, to composition containing them, and to the use thereof.

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Patent Owner(s)

Patent OwnerAddress
MEIJI SEIKA KAISHA LTD4-16 KYOBASHI 2-CHOME CHUO-KU TOKYO 104-8002 JAPAN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Christensen, Burton G Lebanon, NJ 132 1446
Egawa, Takashi Yokohama, JP 13 290
Ichimaru, Yasuyuki Yokohama, JP 5 89
Ohuchi, Shokichi Tokyo, JP 8 50
Okonogi, Tsuneo Yokohama, JP 17 97
Patchett, Arthur A Westfield, NJ 130 3067
Shibahara, Seiji Tokyo, JP 79 707
Tsutsumni, Seiji Yokohama, JP 1 25

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