... Benzothiet-2-ones: Synthesis, Reactions, and Comparison with Benzoxet-2-ones and Benzazetin-2-ones Curt Wentrup,* Harald Bender, and Gerhard Gross' Department of Chemistry, University of Queensland, St. ... Page 2. Benzothiet-2-ones J. Org. Chem., Vol. 52, No. ...