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Preparation and Reactions of 3-Phenyl-4a,5,6,8a-tetrahydro-4H-1,2-benzoxazines
Iskanderl, George M.,Gulta, Violette S.
, p. 1891 - 1896 (2007/10/02)
α-Nitrosostyrene (1) undergoes cycloaddition reactions with cyclohexa-1,3-dienes (2) to give, in good yield, tetrahydro-4H-1,2-benzoxazines (3).In the case of 1,4-dimethoxycyclohexa-1,3-diene the regioisomeric adduct (4) is isolated.Hydrolysis of th
