Tetrahedron Letters p. 901 - 904 (1982)
Update date:2022-08-03
Topics:
Hori, Mikio
Kataoka, Tadashi
Shimizu, Hiroshi
Tomimatsu, Kiminori
The isolated cis- and trans-9-phenylselenoxanthene-N-arylsulfonylselenilimines were not interconverted thermally. cis-Isomers were converted to trans-isomers by chloramine-T or -B in a fashion of SN2 type substitution. cis-Isomers did not rearrange but trans-isomers rearranged thermally to 9-arylsulfonamido-9-phenylselenoxanthenes, whereas both isomers underwent the base-catalyzed intermolecular rearrangement.
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Doi:10.1246/cl.1982.907
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(2019)
