73859-98-0Relevant academic research and scientific papers
Transformation of 1-thioflavonoids by oxidation and dehydrogenation
Somogyi
, p. 1857 - 1872 (2007/10/03)
Simple, efficient and selective new one-step transformations with DDQ, IBDA and I2/DMSO are presented for the dehydrogenation of thioflavanone (1α), as well as the oxidized (1c) and halogenated (1d) derivatives. Ring- contraction reactions of the 1-oxide 1b and 1d leading to the formation of the benzothiophen derivatives 3a and 5, respectively, are also described.
Oxazepines and thiazepines, XXV: Chemical transformations of 2,3-dihydro-1,5-benzothiazepin-4(5H)-ones
Levai
, p. 721 - 726 (2007/10/02)
2,3-Dihydro-1,5-benzothiazepine-4(5H)-thiones 13-22 were prepared by the reaction of the appropriate 2,3-dihydro-1,5-benzothiazepin-4(5H)-ones with Lawesson's reagent. N-Acyl (23-25) and N-alkyl (26-28) derivatives have also been synthesized. Oxidation wi
