Co-Catalyzed Intramolecular S-N Bond Formation in Water for 1,2-Benzisothiazol-3(<i>2H</i>
)-ones and 1,2,4-Thiadiazoles Synthesis
作者:Liting Yang、Lijuan Song、Shanyu Tang、Longjia Li、Heng Li、Bingxin Yuan、Guanyu Yang
DOI:10.1002/ejoc.201801642
日期:2019.2.14
Sustainable synthesis of 1,2‐benzisothiazol‐3(2H)‐ones and 1,2,4‐thiadiazoles via intramolecular S‐N bond formation were realized in aqueous media with good to excellent yields, which used tetra‐sulfonated cobalt phthalocyanine as a catalyst and molecularoxygen as the environment friendly oxidant.
Conversion of Alkylamines to Thiocarbamoylguanidines
作者:M. Francis、S. Deepa、S. Sreekala、K. N. Rajasekharan
DOI:10.1080/00397919708005648
日期:1997.10
N-Alkyl-, N, N-dialkyl- or N-unsubstituted-N'-(arylthiocarbamoyl)guanidines are prepared in very good yield from amines and 1-(N-arylthiocarbamoyl)-amidino3, 5-dimethylpyrazoles.
811. Thiadiazoles. Part XII. The ultraviolet absorption spectra of some 1,2,4-thiadiazoles