Chemistry of Heterocyclic Compounds p. 1306 - 1314 (1997)
Update date:2022-07-29
Topics:
Sipyagin
Kolchanov
Lebedev
Karakhanova
The reactions of isomeric tetrachlorocyanopyridines with potassium ethylxanthate were studied. It was found that tetrachloro-2-cyanopyridine was converted successively into 4-mono- and then 3,4-bisethylxanthate derivatives. In the presence of potassium ethylxanthate the last derivative undergoes intramolecular cyclization with the formation of derivatives of 1,3-dithiolo[4,5-c]pyridine. In the case of other initial polychloropyridines processes involving substitution of the chlorine atoms by the ethylxanthate fragment, sometimes accompanied by the loss of COS molecules, were observed instead of heterocyclization.
View MoreTianjin Tensing Fine Chemical Research Develop Centre
Contact:86-022-23718576,13032267585
Address:2-2-201,13 Guiyuan road,Huayuan Industry district,Tianjin,china
website:http://www.chinabarton.com
Contact:+86-573-82719618
Address:No. 162 Fumin Road, Honghe Town,
KangZhiYuan Pharmaceutical Company Limited
Contact:(Sabrina)86-20-85273232
Address:4th floor, building B, Dadi industry zone, Tangxia, Tianhe, Guangzhou, China
suzhou chukai pharmateach co,.ltd
Contact:86-512-88812511
Address:Building 3, Wujiang Scientific Innovation Park, 2358 Changan Rd, Wujiang 215200, Jiangsu Province, P. R. China
Hangzhou Deli Chemical Co.,Ltd.
website:http://www.dlchemical.com
Contact:86 571 28006267
Address:Tangxi Industrial Area, Yuhang District, Hangzhou
Doi:10.1021/jo01140a016
(1952)Doi:10.1007/BF00959951
()Doi:10.1016/0022-328X(84)80162-X
(1984)Doi:10.1021/acs.cgd.7b00121
(2017)Doi:10.1016/S0040-4020(01)92488-3
(1971)Doi:10.1039/P19720002765
(1972)