Preparation of saturated imidazolinium salts and related...

Details Preparation of saturated imidazolinium salts and related... Preparation of saturated imidazolinium salts and related...

C - Chemistry, Metallurgy

07

D

C07D 233/06 (2006.01)

Patent

CA 2705106

Methods for the preparation of saturated imidazolinium salts and related compounds that comprises reaction of formamidines with compounds such as dihaioethane and an optional base are disclosed. Alternatively, the imidazoünium salts and related compounds can be prepared in a one-step process without purification of the formamidine reactant. These methods make it possible to obtain numerous imidazolinium salts and related compounds under solvent-free reaction conditions and in excellent yields.

La présente invention concerne des procédés de préparation de sels d'imidazolinium saturés et de composés associés, comprenant la réaction de formamidines avec des composés comme le dihaloéthane, ainsi qu'éventuellement, avec une base. En variante, les sels d'imidazolinium et les composés associés peuvent être préparés dans le cadre d'un processus en une seule étape sans purification du réactant de type formamidine. Ces procédés rendent possible l'obtention de nombreux sels d'imidazolinium et de composés associés dans des conditions réactionnelles n'impliquant pas de solvants et ce, avec d'excellents rendements.

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