6-exo versus 7-endo iodolactonizations of 2-(alkynyl)phenylacetic acids
Exposure of 2-alkynylphenylacetic acids to excess iodine in acetonitrile containing anhydrous potassium carbonate delivers good yields, either of the corresponding isochroman-3-ones or benzo[d]oxepin-2(1H)-ones, depending upon the alkyne substituent: when
Ali Badry, Mohamed Gomaa,Kariuki, Benson,Knight, David W.,F.K., Mohammed
scheme or table
p. 1385 - 1388
(2009/06/08)
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