Dual Palladium/Photoredox-Catalyzed Enantioselective and Regioselective Decarboxylative Hydroaminoalkylation of Allenes
作者:Jun Zheng、Ali Nikbakht、Bernhard Breit
DOI:10.1021/acscatal.1c00153
日期:2021.3.19
atalyzed regio- and enantioselective decarboxylative hydroaminoalkylation of allenes with amino acids is reported. This mild, redox-neutral, and atom-economic process allows access to a range of protected vinyl 1,2-amino ethers in good yields with high levels of branched and enantioselectivity, when alkoxyallenes were employed. Conversely, with alkyl- and aryl-substituted terminalallenes as the substrates
METHOD FOR THE PREPARATION OF alpha-SUBSTITUTED ACRYL ALDEHYDES
申请人:Council of Scientific and Industrial Research
公开号:US20160083409A1
公开(公告)日:2016-03-24
The invention discloses simple and rapid method for the preparation of α-substituted acryl aldehydes. More particularly, the invention discloses a method for the preparation of α-substituted acryl aldehydes via a gold-catalysed [1,3] rearrangement of the allenyl ethers with a record turnover frequency of 4600 h
−1
at 0.05 mol % of the catalyst concentration in homogeneous gold(I) catalysis. The α-substituted acryl aldehydes synthesized by the instant process are used as building blocks in organic synthesis.