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:+(852) 301-98033
Address:Flat C, 23/F, Lucky Plaza, 315-321 Lockhart Road, Wan Chai, Hong Kong
Chongqing Yawei Fine Chemical Co.,Ltd
Contact:0086-23-62849407
Address:Ziyou village, Nanquan town, Banan district, Chongqing China
Contact:86-10-62664360
Address:Building 10,No.18 AnNingZhuang East Road, GuangHua Pioneer Park,HaiDian District, BeiJing China
Shanghai birch chemical technology co.,ltd
Contact:+86-21-54096810
Address:No.2588,Jungong Road,Shanghai,China
Contact:0086-29-89196322
Address:North of the Fifth Keji Road, Hi-Tech Industrial Zone, Xi'an City, Shaanxi Province, China
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)
