Synthesis of aldonolactones, aldarolactones, and...

Details Synthesis of aldonolactones, aldarolactones, and... Synthesis of aldonolactones, aldarolactones, and...

C - Chemistry, Metallurgy

07

D

C07D 493/04 (2006.01) C07D 307/32 (2006.01)

Patent

CA 2571060

Processes for making lactones and dilactones from aldaric acids, aldonic acids, and their corresponding salts by dehydrative cyclization and azeotropic distillation. The processes can be carried out in the presence of water because water is removed by azeotropic distillation.

L'invention concerne des procédés de préparation de lactones et de dilactones à partir d'acides aldariques, d'acides aldoniques et de leurs sels correspondants par cyclisation déshydratante et distillation azéotropique. Ces procédés peuvent être réalisés en présence d'eau, l'eau étant enlevée par distillation azéotropique.

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