申请人:ARDENIA INVESTMENTS, LTD.
公开号:US10138204B2
公开(公告)日:2018-11-27
A method for producing derivatives of N-retinoylaminoalkane sulfonic acid, the method comprising providing retinoic acid, chloroformate, aminoalkanesulfonic acid selected from the group consisting of cysteic acid and alkyl ester thereof, cysteinesulfinic acid and alkyl ester thereof, homocysteic acid and alkyl ester thereof, homocysteinesulfinic acid and alkyl esters thereof, taurine and derivatives thereof, and an organic solvent, and a base, mixing said components under substantial absence of oxidizing compounds thereby forming a reaction mixture comprising a liquid phase, wherein the liquid phase is one phase and the derivatives of N-retinoylaminoalkane sulfonic acid are formed in said liquid phase.
一种生产N-视黄基氨基烷磺酸衍生物的方法,该方法包括提供视黄酸、氯甲酸、选自半胱氨酸及其烷基酯、半胱氨酸亚磺酸及其烷基酯、高半胱氨酸及其烷基酯、高半胱氨酸亚磺酸及其烷基酯组成的氨基烷磺酸、牛磺酸及其衍生物、有机溶剂和碱,在基本上没有氧化性化合物的条件下混合所述组分,从而形成包含液相的反应混合物,其中液相为单相,N-retinoylaminoalkane 磺酸的衍生物在所述液相中形成。