C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/245, 260/549
C07D 295/14 (2006.01) C07C 323/29 (2006.01) C07D 207/16 (2006.01) C07D 207/28 (2006.01) C07D 213/81 (2006.01) C07D 213/82 (2006.01) C07D 257/04 (2006.01) C07D 261/18 (2006.01) C07D 271/06 (2006.01) C07D 295/096 (2006.01) C07D 295/15 (2006.01) C07D 333/38 (2006.01) C07D 335/06 (2006.01)
Patent
CA 1137475
AMINOALKYLBENZENE DERIVATIVES ABSTRACT An aminoalkylbenzene derivative of the formula : Image [wherein A is oxygen or sulfur; Y is oxo, thioxo, or cyanoimino; a is an integer of 1 to 3 ; b is an integer of 0 to 3 ; C is an integer of 1 to 4 ; R1 is alkyl ; R2 is hydrogen or alkyl ; or R1 and R2 taken together represent pyrrolidinyl ; R is hydrogen, cycloalkyl, trihaloalkyl, alkoxy, dialkylamino, aryl, aroyl, heterocyclic group, or a group of the formula : Image (wherein R3 is hydrogen, halogen, amino, alkyl, alkylamino, dialkylamino, alkyl- thio, or aryloxy ; R4 is hydrogen, alkyl, alkenyl, aryl, or heterocyclic group ; or R3 and R4 taken together represent alkylidene or aralkylidene ; with the proviso that the above aryl, aroyl, and heterocyclic group can be substituted by 1 to 3 substituents] and its pharma- ceutically acceptable acid addition salts being useful as histamine H2 blockers, especially peptic ulcer remedies, are provided via several routes.
354395
Doteuchi Masami
Fujishita Toshio
Hirai Kentaro
Ishiba Teruyuki
Makino Itsuo
Johnson Douglas S. Q.c.
Shionogi & Co. Ltd.
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