N-[(Amino)Alkyl]-1-pyrrolidine, 1-piperidine and 1-homopiperidinecarboxamides (and thiocarboxamides) with sulphur linked substitution in the 2, 3 or 4-position
申请人:A.H. ROBINS COMPANY, INCORPORATED
公开号:EP0160436A2
公开(公告)日:1985-11-06
Pyrrolidine, piperidine and homopiperidine- carboxamide and thiocarboxamide compounds of the formula:
wherein X is -S-, -S(0)- or -S(0)2-; A is a loweralkalene chain and A1 and A2 are alkalene chains when p and d are one; R, R1 and R2 are hydrogen, loweralkyl, phenyl cycloalkyl or phenylalkyl and R1 and R2 may form a heterocyclic residue with the adjacent nitrogen atom; Q is a selected aromatic radical, and the pharmaceutically acceptable acid addition salts are useful as cardiac antiarrhythmia agents.
Chemical intermediates, unsubstituted on pyrrolidine, piperidine and homopiperidine nitrogen but with the -(A2)p-X-(A2)d-Q side chain are also disclosed.
Knight, David W.; Lewis, Neil; Share, Andrew C., Journal of the Chemical Society. Perkin transactions I, 1998, # 22, p. 3673 - 3683
作者:Knight, David W.、Lewis, Neil、Share, Andrew C.、Haigh, David
DOI:——
日期:——
US4593102A
申请人:——
公开号:US4593102A
公开(公告)日:1986-06-03
US4642348A
申请人:——
公开号:US4642348A
公开(公告)日:1987-02-10
Syntheses of piperidine and perhydroazepine derivatives, precursors of two selective antagonists of muscarinic M2 receptors: AF-DX 384 and its perhydroazepine isomer
7. Transformations of piperidinemethanol 11 afford exclusively compound 2a (5 steps, 17–20% overall yield)via the N-tosylpiperidine 12, ut lead o a 1:1 mixture of isomers 2a and 2b (4 steps, 15–20% overall yield for compounds 2a and 2b)via the N-(cyanomethyl)piperidine 15. Limitations to the ring enlargement of piperidine derivatives as a function of the heterocyclic nitrogen substituent are defined