Method for producing quinazoline derivative

C - Chemistry – Metallurgy – 07 – D

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C07D 239/84 (2006.01)

Patent

CA 2696727

[4-(3-aminophenyl)-6,7-dimethoxyquinazolin-2-yl]methylamine with a favorable yield and high purity can be produced by subjecting a compound represented by the following formula (I) to a step of reacting with methylamine and a step of deprotection if desired: (see formula I) wherein L represents a protective group of amino.

L'invention concerne un procédé de fabrication d'un dérivé de quinazoline en soumettant un composé représenté par la formule (I) ci-après à une réaction avec la méthylamine et, si on le désire, à un procédé d'élimination de groupe protecteur, pour obtenir une [4-(3-aminophényl)-6,7-diméthoxyquinazolin-2-yl]méthylamine de pureté élevée avec un rendement élevé. (I) (Dans la formule, L représente un groupe protecteur d'un groupe amino).

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