Tetrahedron Letters p. 5985 - 5988 (1989)
Update date:2022-08-17
Topics:
Kenji, Kawada
Moonsun, Kim
Watt, David S.
The regioselective reductive demethylation of the O-methyldiosphenol functionality in the A ring of quassin (3) with chlorotrimethylsilane and sodium iodide furnished picrasin B (1).Swern oxidation of 1 furnished Δ2-picrasin B (2), and O-methylation of 2 regenerated quassin (3).
View More
Liaoning Yufeng Chemical Co.,Ltd.
Contact:86-0419-3418888
Address:The metallurgical industrial zone,shoushan town, Liaoyang, Liaoning, China
Chengdu Sino-Strong Pharmaceutical Co.,Ltd.
website:http://www.sino-strong.com.cn
Contact:+86-28-82666753
Address:459 West haike road,Cross-straits technological industry park, Wenjiang district,Chengdu, P.R.China
Suzhou Chiral Pharmaceuticals Co., Ltd.
Contact:86-0512-63197058
Address:Building A, No. 2358, Chang'an Road, Wujiang Science Park
Rugao Jinling Chemical Co., Ltd.(expird)
Contact:0086-513-68005586
Address:Lianluo new village huangshi town Rugao city Jiangsu Province.
Changde Yungang Biotechnology Co., Ltd
website:http://www.cdyg.com
Contact:+86-736-7391178
Address:Qiaonan Industrial Park, Changde City, Hunan Province
Doi:10.1016/S0040-4039(00)77043-2
(1994)Doi:10.1039/b301375h
(2003)Doi:10.1016/S0040-4039(00)99990-8
(1970)Doi:10.3987/com-98-8272
(1999)Doi:10.1039/c39870000839
(1987)Doi:10.1021/acs.orglett.5b01833
(2015)
