4-oxo-1-(3-substituted phenyl)-1,4-dihydro-1,8-naphthyridine-3-carboxamide phosphodiesterase-4 inhibitor and a method of preparing same
申请人:Dube Daniel
公开号:US20070099951A1
公开(公告)日:2007-05-03
The invention is directed to a compound of the structural formula (22)
crystal form of structural formulae (21) and its free acid, pharmaceutical compositions comprising these compounds and methods of preparing and using these compounds.
4-Oxo-1-3-Substituted Phenyl-1,4-Dihydro-1,8-Napthyridene-3-Carboxamide Phosphodiesterase-4 Inhibitor and a Method of Preparing Same
申请人:Cameron Mark
公开号:US20090105479A1
公开(公告)日:2009-04-23
The invention is directed to a compound of the structural formula (22) (22) crystal form of structural formulae (21) and its free acid, pharmaceutical compositions comprising these compounds and methods of preparing and using these compounds.
Homoallylic substitution reaction of piperidine with 1-bromo-1-cyclopropylalkanes
作者:Robert T Hrubiec、Michael B Smith
DOI:10.1016/s0040-4039(00)94033-4
日期:1983.1
Reaction of piperidine with 1-bromo-1-cyclopropylalkanes, , afforded excellent yields of the homoallylicsubstitution product, , when the bromine-bearing carbon was sufficiently sterically hindered.
当含溴碳被充分地空间位阻时,哌啶与1-溴-1-环丙基烷烃的反应提供了均一的取代产物的优异产率。
Regioselective route to sterically hindered cyclopropylcarbinyl halides
作者:Robert T. Hrubiec、Michael B. Smith
DOI:10.1021/jo00177a008
日期:1984.2
Reaction of amines with cyclopropylcarbinyl halides: SN2' or solvolysis?
作者:Michael B. Smith、Robert T. Hrubiec、Charles A. Zezza