Tetrahedron Letters p. 4233 - 4236 (1993)
Update date:2022-08-04
Topics:
Okuma
Tanaka
Ohta
Reaction of oxaphosphoranes with paraformaldehyde yielded novel 7-membered cyclic vinylidene acetals in almost quantitative yield. Phosphonium betaines reacted with parformaldehyde to give new betaines, which further reacted with paraformaldehyde to afford olefins via Wittig reaction.
View MoreContact:886 2 2541 0022
Address:8 Fl., No. 11, Sec. 1, Chung Shan North Rd., Taipei, Taiwan R.O.C.
Linyi Shengxin Pharmaceutical R&D Co., Ltd
Contact:+86-18653953873
Address:West First of Yufeng Road, Yishui County
Hubei Xiangxi Chemical Industry Co.,Ltd
Contact:+86-710-3454830
Address:No.7, Daqing East Road, Xiangfan City, Hubei Province, China
Hangzhou TJM Chemical Trade Co., Ltd
Contact:86-571-88223276 86-13388481653
Address:2221#,Boyuexuan,1860# Binsheng Road,Binjiang District, Hangzhou CityZhejiang Province, 310051, P. R. China
Suzhou Health Chemicals Co., Ltd.
website:http://www.healthchems.com
Contact:13776257979
Address:No. 338, Jingang Avenue,
Doi:10.1039/c2ob25087j
(2012)Doi:10.1055/s-0031-1290313
(2012)Doi:10.1002/ejoc.201701323
(2017)Doi:10.1016/j.poly.2012.02.014
(2012)Doi:10.1016/S0040-4020(01)86526-1
(1991)Doi:10.1021/ja01165a089
(1950)
