
Tetrahedron Letters p. 6203 - 6206 (1988)
Update date:2022-07-31
Topics:
Kayser, Margaret M.
Breau, Livain
Condensations of stabilized Wittig reagent 1 with a variety of substituted maleic anhydrides are discussed.It is proposed that the alkoxy substituents can act as Lewis bases towards the phosphorus of the ylid.Such complexation, stabilizing the transition state for the reaction at the neighbouring carbonyl function, is an important factor in regioselectivity control.
View MoreShanghai Yurui Biotechnology(Anyang) Pharmaceutical Co., Ltd
Contact:+86-0372-3662335 +86-0372-3661988
Address:hanling industrial park anyang
Lishui Nanming Chemical Co., Ltd(expird)
Contact:+86-0578-2134101,2697830
Address:No.19 Tongji Road Shuige Industrial zone
Huludao Tianqi Shengye Chemical Co.,Ltd.
Contact:0086 429 2075777
Address:Area B,Shipbuilding Industry Park,Beigang District,Huludao City,Liaoning prov.,China
Zhongshan Haihong Medicine Co., Ltd.
Contact:86-0760-86925778 (0)18824993998
Address:A7 building,lianyuan road Torch Hi-tech Industrial Development Zone
Chengdu Green Young Biopharmaceutical INC
Contact:+86-28-85337952
Address:1-B-26,Tianhe Industry Park, No.1480 of Tianfu Road,Chengdu,P.R.China,610000
Doi:10.1021/ol902766f
(2010)Doi:10.1002/ejoc.200900762
(2009)Doi:10.1039/c9ob02249j
(2020)Doi:10.1016/S0020-1693(00)83422-2
(1989)Doi:10.1021/acs.joc.6b01314
(2016)Doi:10.1016/j.tetlet.2009.11.005
(2010)