Studies of benzoxazines 16*. Synthesis and reactivity of 2,4-substituted 4H-3,1-benzoxazines |
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| Authors: | E V Gromachevskaya V G Kul’nevich T P Kosulina |
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| Institution: | (1) Research Institute of Heterocyclic Compounds Chemistry, Kuban State Technological University, 2 Moscovskaya St., Krasnodar, 350072, Russia |
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| Abstract: | A novel method has been developed for preparation of substituted 4H-3,1-benzoxazines via formation of tetrafluoroborates. The substitution of halogen in 2-(α-haloalkyl)-4,4-diphenyl-4H-3,1-benzoxazines by NH and SH nucleophiles was performed. The effect of electrophilic substitution in the annelated aromatic
ring in a series of 2,4-substituted 4H-3,1-benzoxazines has been studied. |
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