C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
167/211, 260/276
C07D 471/04 (2006.01) A61K 31/44 (2006.01) A61K 31/535 (2006.01)
Patent
CA 1277319
ABSTRACT OF THE DISCLOSURE Compounds of formula I Image wherein n is 0 or 1, R1 is hydrogen or lower alkyl, R2 and R3 each independently is hydrogen, optionally substituted lower alkyl, acyl or aryl, or together with the nitrogen atom form a 5-6-member heterocycle, R4 is hydrogen, lower alkyl or lower alkoxyalkyl and X is COOR6, CO-NR7R8, or an oxadiazolyl radical of the formula Image or Image wherein R5 is H, lower alkyl or cycloalkyl, R6 is H or lower alkyl, R7 and R8 each independently is hydrogen, optionally substituted lower alkyl, acyl or aryl, or R7 and R8 together with the nitrogen atom can form a 5- 6-member heterocycle, are valuable drugs, e.g., have psychotropic activity.
525874
Biere Helmut
Huth Andreas
Rahtz Dieter
Schmiechen Ralph
Seidelmann Dieter
Marks & Clerk
Schering Aktiengesellschaft
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