Archiv der Pharmazie p. 76 - 84 (1981)
Update date:2022-08-03
Topics:
Goerlitzer, Klaus
Weber, Josef
The amides 3 cyclize on heating with polyphosphoric acid (PPA) to yield the title compounds 4, from which the S,S-dioxides 6 are obtained by reaction with H2O2.The synthesis of the thiones 12 and of the thioethers 13 is described.
View MoreJinTan Pingsheng Chemical Co.,Ltd
Contact:+86-519-82828200
Address:NO.11Danfengxilu Road,Jintan City,Jiangsu,China
Contact:+86-025-52406782
Address:8 Taizishan Rd., Yanjiang Industrial Development Area, Nanjing, Jiangsu, China.
Contact:+86-021-6989-5597
Address:No.80 Yichuan Rd., Putuo District,Shanghai,P.R.China
Shenzhen Tianyuan Pharmaceutical Technology Co., Ltd
website:http://www.tianpharm.com
Contact:86-755-23284190
Address:B302,2 unit, Jin Lian Building, No. 134 Qianjin 2 Road, Taoyuan village, Xixiang Street, Baoan,Shenzhen,China
Daqing New Century Fine Chemical Co., Ltd.
Contact:010-57126694
Address:No.39, jinxing cun, honggang district
Doi:10.1016/S0040-4039(00)92271-8
(1991)Doi:10.1055/s-1981-29434
(1981)Doi:10.1039/c7tc05535h
(2018)Doi:10.1021/jo001281w
(2000)Doi:10.1007/BF00953587
(1981)Doi:10.1016/j.jorganchem.2015.05.047
(2015)