- SYNTHESIS OF BIS(o-HYDROXYPHENYL)-1,3,5-TRIAZINES, 1,2,4-TRIAZOLES, AND OXADIAZOLE BY RECYCLIZATION OF THE o-HYDROXYPHENYL-4-OXO-1,3-BENZOXAZINIUM CATION
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The acidic cyclization of disalicylamide gave 2-(o-hydroxyphenyl)- and 2-(o-acetoxyphenyl)-4-oxo-1,3-benzoxazinium perchlorates, by reaction of which with hydroxylamine, hydrazines, benzamidine, guanidines, and S-methylisothiourea bis(o-hydroxyphenyl)-1,2
- Ryabukhin, Yu. I.,Faleeva, L. N.,Korobkova, V. G.
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p. 332 - 336
(2007/10/02)
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