A one-pot regioselective synthetic route to vinyl sulfones from terminal epoxides in aqueous media
作者:Ruchi Chawla、Ritu Kapoor、Atul K. Singh、Lal Dhar S. Yadav
DOI:10.1039/c2gc16664j
日期:——
A highly efficient LiBr catalysed regioselective synthesis of vinyl sulfones from readily available terminal epoxides and sodium sulfinates in a one-pot procedure using water as a reaction medium is reported. The protocol is adorned with several attributes of green chemistry like recycling of the catalyst, atom-economy and an aqueous medium.
[EN] FLUOROMETHYL-SUBSTITUTED PYRROLE CARBOXAMIDES<br/>[FR] PYRROLE CARBOXAMIDES SUBSTITUÉS PAR UN FLUOROMÉTHYLE
申请人:GRUENENTHAL GMBH
公开号:WO2014032801A1
公开(公告)日:2014-03-06
The invention relates to pyrrole carboxamides bearing a fluoromethyl- moiety as voltage gated calcium channel blockers, to pharmaceutical compositions containing these compounds and also to these compounds for use in the treatment and/or prophylaxis of pain and further diseases and/or disorders.
The invention relates to pyrrole carboxamides bearing a fluoromethyl-moiety as voltage gated calcium channel blockers, to pharmaceutical compositions containing these compounds and also to these compounds for use in the treatment and/or prophylaxis of pain and further diseases and/or disorders.
[EN] FLUOROMETHYL-SUBSTITUTED PYRROLE CARBOXAMIDES IV<br/>[FR] PYRROLE CARBOXAMIDES SUBSTITUÉS PAR UN GROUPE FLUOROMÉTHYLE IV
申请人:GRUENENTHAL GMBH
公开号:WO2015090599A1
公开(公告)日:2015-06-25
The invention relates to pyrrole carboxamides bearing a fluoromethyl- moiety as voltage gated calcium channel blockers, to pharmaceutical compositions containing these compounds and also to these compounds for use in the treatment and/or prophylaxis of pain and further diseases and/or disorders.
Domino imino-aldol-aza-Michael and imino-aldol-aza-Michael-imino-aldol reactions: Diastereoselective synthesis of highly functionalized 2,6-disubstituted piperidines
作者:Subhomoy Das、Gaurav Goswami、Sandipan Halder、Manas K. Ghorai
DOI:10.1016/j.tet.2021.132285
日期:2021.7
imino-aldol-aza-Michael-imino-aldol reactions of α-(aryl/alkyl)methylidene-β-diketones with activated N-aryl aldimines (1.0 and 2.0 equiv., respectively) have been developed for the diastereoselective (de >99%) synthesis of two sets of highly functionalized 2,6-disubstituted piperidines. The reaction course follows an intermolecular imino-aldol reaction followed by an intramolecular aza-Michael reaction with 1