135715-19-4Relevant articles and documents
Reaction of Aryl Biphenyl-2-yl Thioketones with Ditosyldiazomethane; Internal Cyclisation of the Thioketone S-Methylides to afford Benzothiophene Derivatives. Structure Determination of the Products by Raney Nickel Degradation and X-Ray Crystallographi
Saito, Takao,Ayukawa, Hiroshi,Sumizawa, Norio,Shizuta, Takuya,Motoki, Shinichi,Kobayashi, Kimiko
, p. 1405 - 1410 (2007/10/02)
The reaction of arylbiphenyl-2-yl thioketones 1 with ditosyldiazomethane in the presence of copper acetylacetonate has been investigated.It involves internal cycloaddition of intermediary thioketone S-methylides 8 and 23 to afford eventually benzothiop