Compounds of the formula (I):
wherein R1, R3, R4, R5 and R6 have defined values and the N-oxides at the 7-position of the pyrazolo[3,4-b]pyridine ring system and the pharmaceutically-acceptable acid-addition salts thereof, processes for their preparation, pharmaceutical compositions, and intermediates for preparing said compounds of the formula (I). The compounds of formula (I) are central nervous system depressants, for example anxiolytic agents.
BUMGARDNER, C. L.;LEVER, J. R.;PURRINGTON, S. T., TETRAHEDRON LETT., 1982, 23, N 23, 2379-2382
作者:BUMGARDNER, C. L.、LEVER, J. R.、PURRINGTON, S. T.
DOI:——
日期:——
US4552883A
申请人:——
公开号:US4552883A
公开(公告)日:1985-11-12
Preparation and synthetic utility of cyclopropyl phenyl sulfides
作者:C.L. Bumgardner、J.R. Lever、S.T. Purrington
DOI:10.1016/s0040-4039(00)87347-5
日期:1982.1
Primary alkyl halides and epoxides react with 1-lithiocyclopropyl phenyl sulfide to give derivatives suitable for transformation to carbonyl compounds or for desulfurization.