Indium-Catalyzed Amide Allylation of N-Carbonyl Imides: Formation of Azaspiro-γ-lactones via Ring Opening–Reclosure
摘要:
A novel and facile synthesis of azaspiro-gamma-lactones with a methylene-lactam framework from N-carbonyl imides is described. Mechanistic investigations provide evidence for a two-step reaction process involving ZnCl2-promoted addition of beta-amido allylindium species followed by an unexpectedly molecular-sieves-mediated ring opening-reclosure concomitantly with the loss of an N-carbonyl unit.
REVERSIBLY INACTIVATED THERMOSTABLE REVERSE TRANSCRIPTASES, COMPOSITIONS AND METHODS FOR USE
申请人:Life Technologies Corporation
公开号:EP3186374A1
公开(公告)日:2017-07-05
Inactivation Method
申请人:Thermo Fisher Scientific Baltics UAB
公开号:US20170114339A1
公开(公告)日:2017-04-27
The present invention relates to the field of thermostable enzymes, methods for their inactivation, and related uses, kits and reagents. In particular, the invention relates to a method for reversible inactivation of thermophilic enzymes by chemical modification under aqueous or non-aqueous conditions.