Tetrahedron p. 1303 - 1336 (1996)
Update date:2022-09-26
Topics:
Ward, Robert S.
Pelter, Andrew
Abd-El-Ghani, Atef
Treatment of the dibenzylbutyrolactone 18 with PhI(OCOCF3)2 in trifluoroethanol gives as the major product either the spirodienone 28 or the tetrahydrodibenzocyclooctene 29, depending upon the length of time allowed for the reaction. Reaction of a second dibenzylbutyrolactone 19 under the same conditions gives the products 33, 34, 36 and 38, while 20 gives 43 directly. These reactions provide the first syntheses of spirodienones such as 28 and 33, which have been postulated as intermediates in the biosynthesis of tetrahydrodibenzocyclooctene lignans.
View MoreShanghai Bocimed Pharmaceutical Co., Ltd.
website:http://www.bocimed.com
Contact:+86-21-68861632
Address:Building 1, Lane 647, Songtao Road, Zhangjiang High-Tech Park, Shanghai
Hangzhou Neway Chemicals Co., Ltd.
Contact:+86-571-85095566
Address:Room 803, Qinglian Bldg, No 139 Qingchun Road, Hangzhou, Zhejiang China
xi'an taima biological engineering co., ltd.
Contact:+8615619038117
Address:6 No,keji road xi'an city of china
Suzhou Time-chem Technologies Co., Ltd.
Contact:0512-63983931/68086856
Address:No. 1326 of Binhe Road, New District, Suzhou, Jiangsu, P. R. China
Lonzeal Pharmaceuticals Co., Ltd.
website:http://www.lonzeal.com
Contact:+86-13381011962
Address:RM 801, Yue MOMA, No. 26 Anningzhuang Rd. Haidian District, Beijing, China
Doi:10.1135/cccc19961037
(1996)Doi:10.1016/0020-1693(96)05027-X
(1996)Doi:10.1021/ja961681u
(1996)Doi:10.1016/S0040-4020(97)00801-6
(1997)Doi:10.1055/s-0036-1588775
(2017)Doi:10.1246/cl.1996.621
(1996)