Majee, Adinath; Das, Asish R.; Ranu, Brindaban C., Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1998, vol. 37, # 8, p. 731 - 736
作者:Majee, Adinath、Das, Asish R.、Ranu, Brindaban C.
DOI:——
日期:——
US4111917A
申请人:——
公开号:US4111917A
公开(公告)日:1978-09-05
Stereoselective Allylation of Ketones: Explanation for the Unusual Inversion of the Induced Stereochemistry in the Auxiliary-Mediated Crotylation and Pentenylation of Butanone by DFT Calculations
作者:Lutz F. Tietze、Tom Kinzel、Stefan Schmatz
DOI:10.1002/chem.200801889
日期:2009.2.2
Re face of the intermediate oxocarbenium ion becomes less energy demanding with increasing size of R′, it is the solvent effect that makes this attack the main trajectory, leading to inversed stereochemistry (see picture).