申请人:Cytec Industries Inc.
公开号:US20160115139A1
公开(公告)日:2016-04-28
A synthesis process for making a benzoxazine compound containing at least one benzoxazine unit from aromatic amine containing at least one primary amino group, at least one phenolic compound with at least one ortho-hydrogen, and alkyl formcel. In one embodiment, the aromatic amine is reacted with alkyl formcel to generate an alkoxymethyl intermediate compound. Subsequently, the intermediate compound is reacted with a phenol to generate the benzoxazine compound. In another embodiment, the benzoxazine compound is formed by reacting aromatic amine with alkyl formcel and phenol in one reaction step. Also disclosed is a method for isolating the alkoxymethyl compound formed by reacting aromatic amine with alkyl formcel. The isolated alkoxymethyl compound is useful as a reactant in a subsequent reaction.
一种合成过程,用于从含有至少一个苯并噁嗪单元的芳香胺,至少含有一个一级氨基的芳香胺,至少含有一个邻位氢的酚类化合物和烷基甲醛制备含有至少一个苯并噁嗪单元的苯并噁嗪化合物。在一种实施方式中,将芳香胺与烷基甲醛反应以生成烷氧甲基中间体化合物。随后,将中间体化合物与酚反应以生成苯并噁嗪化合物。在另一种实施方式中,通过在一个反应步骤中将芳香胺与烷基甲醛和酚反应来形成苯并噁嗪化合物。还公开了一种方法,用于分离由芳香胺与烷基甲醛反应形成的烷氧甲基化合物。分离的烷氧甲基化合物可用作随后反应中的反应物。