Methods for producing quinazoline alkaloids

Details Methods for producing quinazoline alkaloids Methods for producing quinazoline alkaloids

C - Chemistry, Metallurgy

07

D

C07D 487/04 (2006.01)

Patent

CA 2514945

The invention relates to a method for producing a compound of formula (I) by reacting a compound of formula (II) with 2-pyrrolidone, whereby a surplus of 2- pyrrolidone, in relation to compound (II), is used. The invention also relates to a method for producing a compound of formula (III), comprising the following steps: (A) production of compound (I); (B) reduction reaction to obtain compound (III) in the form of a salt; (C) release of compound (III) from the salt.

L'invention concerne un procédé de production d'un composé correspondant à la formule (I) consistant à faire réagir un composé correspondant à la formule (II) avec du 2-pyrrolidon, ce dernier étant utilisé en une quantité excédentaire par rapport au composé (II). L'invention concerne également un procédé de production d'un composé correspondant à la formule (III), lequel comprend les étapes suivantes : (A) production du composé (I) ; (B) réaction de réduction permettant d'obtenir le composé (III) sous forme de sel ; (C) libération du composé (III) à partir dudit sel.

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