
Tetrahedron p. 7943 - 7954 (1993)
Update date:2022-09-26
Topics:
Chen, Chen
Crich, David
An efficient asymmetric synthesis of the A-ring of 1α,25-dihydroxyvitamin D3 from α-bromoacrolein is described.The key steps of the synthesis are the Evans type syn-selective asymmetric aldol reaction of bromoacrolein with the boron enolate of
View MoreShandong Xinke Petrochemical Co., Ltd.
Contact:+86-546-7277016
Address:Gudao Industrial Park, Hekou District, Dongying, Shandong Province, China
Nanjing Fubang Chemical Co.,Ltd
Contact:+86-25-83179199
Address:5F,Tianzheng international plaza,No399 Zhongyang Road ,Nanjing China
Lishui Nanming Chemical Co., Ltd(expird)
Contact:+86-0578-2134101,2697830
Address:No.19 Tongji Road Shuige Industrial zone
Cangzhou Senary Chemical Science-tech Co., Ltd
Contact:+86-317-3563899, 3563699
Address:168 Jinde Road, Cangzhou, Hebei, China
SHANGHAI T&W PHARMACEUTICAL CO., LTD.
website:http://www.trustwe.com
Contact:+86-21-61551413
Address:601, No. 1, 2277 Nong, Zu Chongzhi Road, Zhangjiang Hightech. Park, Pudong
Doi:10.1016/0584-8539(89)80188-6
(1989)Doi:10.1021/jo101599q
(2011)Doi:10.1016/0022-328X(90)85450-D
(1990)Doi:10.1016/S0040-4039(01)93339-8
(1989)Doi:10.1039/jr9590000329
(1959)Doi:10.1016/S0040-4039(01)93384-2
(1989)