Tetrahedron Letters p. 3617 - 3620 (1992)
Update date:2022-07-30
Topics:
Quinkert, Gerhard
Grosso, Michael del
Bucher, Astrid
Bauch, Markus
Doering, Wolfgang
et al.
Diene 1 and dienophile 4a in a Diels/Alder reaction mediated by a chiral ligand-modified Lewis acid enantioselectively furnish adduct 5a (chem. yield: 64percent; e.e: 73percent), which after partial deoxygenation and final enantioselection by recrystallization affords 5b.The latter compound can easily be converted via Torgov's pentaenone 6a into estrogens or progestogens. Key Words: stereoid total synthesis, enantioselective Lewis acid-mediated Diels/Alder reaction
View MoreContact:+86 755 26588093
Address:No.9 Linkong West Street, Hengdian Street, Huangpi District, Wuhan City, China.
Contact:+86-310-7092106
Address:Quzhou Modern & New Industrial Park, Handan, Hebei 057250, China
Hangzhou Kai Peng Biotechnology Co., Ltd.
Contact:86-571-89939007
Address:NO. 499, Wensan West Road, Xihu District, Hangzhou, 310012, China
Huangshan Honghui Pharm Technology Co., Ltd.(expird)
website:http://www.honghuichem.com
Contact:18855958372
Address:Qingshan Wan No.1,Nanyuan Kou,SheXian Huangshan City,Anhui Province
Suzhou Sinosun Imp.&Exp. Corporation
website:http://www.szsinosun.com
Contact:+86-512-63488895,63488616
Address:No.758 East Jiangling Road Wujiang Economic & Technological Developmenty Zone Jiangsu China
Doi:10.1021/ol0530225
(2006)Doi:10.1021/om00081a019
(1984)Doi:10.1002/jhet.5570200446
(1983)Doi:10.1039/b104004a
(2001)Doi:10.3987/COM-16-S(S)71
(2017)Doi:10.1016/j.bmc.2005.07.077
(2006)
