Reaction of thiobenzophenones with phenyl. [2-(trimethylsilyl)phenyl]iodonium trifluoromethanesulfonate in the presence of tetrabutylammonium fluoride afforded the corresponding adducts, which are the first examples of benzyne-thiobenzophenone adducts. Copyright (C) 1996 Elsevier Science Ltd.
Reaction of Electronically Stabilized Thiones with Benzyne. The Isolation of Thiobenzophenone-Benzyne and Thiopivalophenone-Benzyne Adducts
The reaction of thiobenzophenones (1) with phenyl[2-(trimethylsilyl)phenyl]iodonium trifluoromethanesulfonate (4) in the presence of tetrabutylammonium fluoride afforded the corresponding [4+2] cycloadducts, which are the first examples of thiobenzophenone-benzyne adducts. The reaction of thiopivalophenone (6) with benzyne prepared from 4 and tetrabutylammonium fluoride at room temperature gave [2+2]
Reaction of thiobenzophenones with phenyl[2-(trimethylsilyl)-phenyl]iodonium trifluoromethanesulfonate in the presence of tetrabutylammonium fluoride afforded the corresponding adducts, which are the first examples of benzyne-thiobenzophenone adducts.