Tetrahedron Letters p. 6831 - 6834 (1991)
Update date:2022-08-05
Topics:
Liu, Longbin
Katz, Thomas J.
Bromine substituents on benzene rings direct photocyclizations away from their ortho positions.This principle prevents <5>helicenes from photocyclizing and methoxyls from photoeliminating.It makes possible the photosynthesis of <5>helicene and of a tetramethoxy-derivative of <5>helicene.
View MoreShanghai Sunwise Chemical Co., Ltd
website:http://www.sunwisechem.com
Contact:86-021-33883180
Address:Room 10E, Building G, Westlink Center, No. 2337 Gudai Road, Minhang District, Shanghai, China PC: 201100
website:http://www.shochem.com
Contact:021-50800795
Address:No.1043, Halei Rd, Zhangjiang Hi-Tech Park, Shanghai, Postcode 201203, China
XI'AN CHUKANG BIOTECHNOLOGY CO.,LTD
Contact:29-63685658 63685359
Address:Room 3-1202,Building 1,Oriental oasis,East of Xianning Road,Xi'an,Shaanxi 710043 P.R.China
Hangzhou Donglou Bio-nutrient Co., Ltd.
Contact:+86-571-82225795,13967112289
Address:Louta Town, Xiaoshan,Hangzhou,Zhejiang
Ningbo Tide Imp. & Exp. Co., Ltd.
Contact:+86-571-8993 7933; +86-571-8993 6453
Address:7/F Anno Domini Building, Tower South, 8 Qiu Shi Road,Hangzhou,China.
Doi:10.1021/acs.jmedchem.7b01466
(2018)Doi:10.1021/jo00032a039
(1992)Doi:10.1039/c2dt30666b
(2012)Doi:10.1002/anie.201200949
(2012)Doi:10.1021/jo3015165
(2012)Doi:10.1016/j.bmcl.2012.06.013
(2012)
