Tetrahedron Letters p. 2727 - 2730 (1987)
Update date:2022-08-11
Topics:
Furukawa, Naomichi
Shibutani, Tadao
Fujihara, Hisashi
o-Chloro- and o-bromophenyl phenyl sulfoxides and (3-bromo-4-pyridyl) phenyl sulfoxide were treated with Grignard reagents to generate benzyne (or 3,4-pyridyne) in THF.The o-iodophenyl derivative, on the other hand, gave mainly o-(arylsulfinyl)phenyl Grignard reagent.
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