Synthesis of aldonolactones, aldarolactones, and aldarodilactones using gas sparging
申请人:Chenault Keith Henry
公开号:US20060084817A1
公开(公告)日:2006-04-20
Aldaric acids, aldonic acids, and their corresponding salts are cyclized to the corresponding lactone or dilactone using gas sparging to remove water.
Aldaric酸,醛酸及其相应的盐通过气体冲洗去除水分,环化成相应的内酯或二内酯。
Synthesis of aldonolactones, aldarolactones, and aldarodilactones using azeotropic distillation
申请人:Chenault Keith Henry
公开号:US20060084800A1
公开(公告)日:2006-04-20
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.