Journal of the American Chemical Society p. 6339 - 6348 (1990)
Update date:2022-09-26
Topics: Asymmetric synthesis Diastereoselectivity Column chromatography NMR spectroscopy Allylation Enantioselectivity Enantiomeric excess (ee) Optical rotation Workup Stereochemical Control Chiral Auxiliary Boronate ester Diastereomeric ratio (dr)
Roush, William R.
Ando, Kaori
Powers, Daniel B.
Palkowitz, Alan D.
Halterman, Ronald L.
Diisopropyl tartrate modified (E)- and (Z)-crotylboronates 2 and 3 are easily prepared with very high isomeric purity (≥98% E for 2; ≥99% Z for 3) via the metalation of (E)- and (Z)-2-butene with n-BuLi and KOtBu in THF followed by treatment of the (E)- a
View MoreChemieliva Pharmaceutical Co., Ltd.
website:http://www.chemieliva.com
Contact:+86-23-67770219
Address:99 Longhua Road, Yubei District, 401147, Chongqing, China Email: sales@chemieliva.com Tel:0086-23-67770219 Fax: 0086-23-67770220 Attn: Andy Huang
Nantong LiKai Chemical Co.,Ltd
Contact:+86-513-89068669
Address:Jincheng Science Park
Suzhou Howsine Biological Technology Co.,Ltd(expird)
website:http://www.howsine.com
Contact:86-512-67262751
Address:No 3,Weihua Road ,Suzhou Industrial Park ,Jiangsu ,China.
Guangzhou Reachin Chemical Co., Ltd
Contact:+86-20-37087379 ext.604
Address:A122C-1, Tianyuan Plaza, 401 Tianyuan Rd., Tianhe, Guangzhou, China
Hangzhou LINGEBA Technology Co., Ltd.
Contact:+0086-571-87389059
Address:Office 1-913,NewYouth Plaza, GongShu Area, HangZhou,ZheJiang,P.R.China
Doi:10.1111/j.1432-1033.1973.tb02895.x
(1973)Doi:10.1016/S0040-4039(00)84086-1
(1986)Doi:10.1016/S0040-4039(01)90358-2
(1981)Doi:10.1039/a800467f
(1998)Doi:10.1016/j.carres.2008.02.003
(2008)Doi:10.1021/je00047a036
(1987)
