Journal of the Chemical Society. Perkin transactions I p. 1427 - 1429 (1983)
Update date:2022-07-29
Topics:
Buggle, Katherine
Ghogain, Una Ni
Nangle, Michael
MacManus, Patrick
The title compound (3a) was prepared by the reaction of 2-benzoylbenzothiophen-3(2H)-one 1,1-dioxide (1) with tetraphosphorus decasulphide, acetonitrile, and sodium hydrogen carbonate.The structure was confirmed by an alternative synthesis from ethyl 3-benzothienylacetate.The isomeric 4-phenyl-2H-thiopyrano<3,2-b><1>benzothiophen-2-thione 5,5-dioxide (2a) and a number of analogues of (3a) and (2a) were prepared.
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