56073-40-6Relevant articles and documents
REACTIVITE DES DIHYDRO-3,4-2H-BENZOXAZINES-1,3 AVEC LES AMINES MISE EN EVIDENCE D'UN EQUILIBRE IMPLIQUANT L'OUVERTURE DE L'HETEROCYCLE
Tzschoppe, D.,Vebrel, J.,Schwob, J. M.,Roche, M.,Riess, G.
, p. 45 - 48 (2007/10/02)
In the presence of primary or secondary amines 2H-3,4-dihydro-1,3-benzoxazines equilibrate with a ring-opened coupling product and the corresponding Mannich base.The equilibrium conditions and the mechanism of the reaction have been verified.