Journal of the Chemical Society. Perkin transactions I p. 1352 - 1356 (1981)
Update date:2022-08-03
Topics:
Chien, Millie M.
Rosazza, John P.
Microbial transformations were conducted with the quassinoid bruceantin (1).Screening studies with 193 micro-organisms provided several streptomycetes capable of accumulating bruceantin metabolites.Streptomyces griseus (ATCC 10137) totally metabolized bruceantin within 19 h, and a preparative-scale incubation using bruceantin provided bruceine C (4), bruceantin 4',5'-epoxide (3), and bruceantin-5'-ol (5).Structures of metabolites were assigned based on their 1H n.m.r. and mass spectral characteristics.Metabolites (3) and (5) are novel analogues of bruceantin, and are formed by an unusual pathway involving oxidation of bruceantin, probably through the unisolated 4',5'-bruceantin olefin (2) to the epoxide (3), which serves as an obligatory precursor for bruceine C (4) and bruceantin-5'-ol (5).
View MoreHangzhou Dingyan Chem Co., Ltd
website:http://www.dingyanchem.com
Contact:86-571-87157530-8002
Address:RM.1118,NO.1 Building, Baiyun Tower,Jianggan Area, Hangzhou city, China,310004
Nanjing Zelang Medical Technology Co. Ltd
Contact:86-25-83063290/13770714480
Address:Ganjiabian 108# 01 Unit,701-702 room,Yao Hua Street,Qixia District,Nanjing,Jiangsu,China
Liao Cheng All Win Chemicals Co.,LTD
Contact:86+0635-2991582
Address:Room 402,Unit 1,No.27 building.Zhong tong shi dai haoyuan,liaocheng city,Shan dong Province.China
Rudong Zhenfeng Yiyang Chemical Co., Ltd.
Contact:0513-84573047
Address:South Fengli Town, Rudong County, Jiangsu Province, China
Shanghai Bojing Chemical Co., Ltd.
Contact:021-37122233
Address:6F Buildiing 11,No.388,Baifu Road,District Fengxian.Shanghai, China.
Doi:10.1246/bcsj.55.2147
(1982)Doi:10.1039/c5ra23058f
(2016)Doi:10.1055/s-1981-29424
(1981)Doi:10.1016/S0040-4039(00)00335-X
(2000)Doi:10.1002/adsc.201300846
(2013)Doi:10.1021/ja962736v
(1996)