Method for manufacturing aminoalcohol

Details Method for manufacturing aminoalcohol Method for manufacturing aminoalcohol

C - Chemistry, Metallurgy

07

C

C07C 215/08 (2006.01) C07C 213/00 (2006.01) C07C 213/02 (2006.01) C07C 215/12 (2006.01) C07D 295/088 (2006.01) C07D 307/22 (2006.01) C07D 309/12 (2006.01) C07D 309/14 (2006.01) C07D 405/06 (2006.01)

Patent

CA 2314771

An aminoalcohol is synthesized by reacting a cyclic hemiacetal expressed by Formula 1 (see formula 1) (where n is 0 or 1; R1 and R2 are each a hydrogen atom, a monovalent saturated hydrocarbon group which is optionally substituted, or a monovalent aromatic group which is optionally substituted, or R1 and R2 are bonded together into a divalent saturated hydrocarbon group which is optionally substituted; and R3, R4, and R5 are each a hydrogen atom, a monovalent saturated hydrocarbon group which is optionally substituted, or a monovalent aromatic group which is optionally substituted), with hydrogen and any one of ammonia, a primary amine and secondary amine in the presence of a hydrogenation catalyst.

Un aminoalcool est synthétisé en faisant réagir un hémiacétal cyclique de formule 1 (voir formule 1) (où n = 0 ou 1; R1 et R2 représentent chacun un atome d'hydrogène, un groupement hydrocarbure saturé monovalent pouvant être substitué, ou un groupement aromatique monovalent pouvant être substitué, ou R1 et R2 sont liés pour former un groupement hydrocarbure divalent saturé pouvant être substitué; R3, R4, et R5 représentent chacun un atome d'hydrogène, un groupement hydrocarbure saturé monovalent pouvant être substitué) avec de l'hydrogène et de l'hydroxyde d'ammonium, une amine primaire ou une amine secondaire, en présence d'un catalyseur d'hydrogénation.

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