Studies on the Benzoxazine Series. Part 3 - Preparation and 13C NMR Structural Study of γ Effects of Some N-Subsitituted 3,4-Dihydro-2H-1,3-benzoxazines

Article abstract of DOI:10.1002/mrc.1260280309

Seventeen N-substituted 3,4-dihydro-2H-1,3-benzoxazines i, Bu^t, CH2C6H5 or CH(CH3)C6H5> were prepared and their structures studied in the light of 13C chemical shifts.The γ effects caused by C(α)-methyl or C(α)