- 4H-3,1-BENZOXAZINES. 2. SYNTHESIS OF 2,4-SUBSTITUTED 1,2-DIHYDRO-4H-3,1-BENZOXAZINES
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The reactions of o-aminophenylcarbinols with carbonyl compounds have been studied.Optimum conditions have been developed for the synthesis of 2-(5-X-2-furyl)-1,2-dihydro-4H-3,1-benzoxazines.It was found that 2,2-disubstituted 1,2-dihydro-4H-3,1-benzoxazines are unstable and are converted upon heating in the presence of acylating agents to 4H-3,1-benzoxazines.
- Gromachevskaya, E.V.,Kul'nevich, V.G.,Kosulina, T.P.,Pustovarov, V.S.
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p. 692 - 697
(2007/10/02)
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