(R)-4-Hydroxymethyl-2-phenyl-4,5-dihydrooxazol-4-ylmethyl acetate: chiral building block for the synthesis of optically active α-substituted α-amino acid derivatives
作者:Hiroaki Miyaoka、Makoto Yamanishi、Ayako Hoshino、Atsushi Kinbara
DOI:10.1016/j.tet.2006.02.022
日期:2006.4
(R)-4-Hydroxymethyl-2-phenyl-4,5-dihydrooxazol-4-ylmethyl acetate was efficiently obtained by lipase-catalyzed asymmetrization of the prochiral diol. (R)-4-Hydroxymethyl-2-phenyl-4,5-dihydrooxazol-4-ylmethyl acetate was converted to (R)-2-(hydroxymethyl)glutamic acid and a synthetic intermediate of (−)-deoxydysibetaine.
通过脂肪酶催化的前手性二醇的不对称化,有效地获得了(R)-4-羟基甲基-2-苯基-4,5-二氢恶唑-4-基甲基乙酸酯。将(R)-4-羟基甲基-2-苯基-4,5-二氢恶唑-4-基甲基乙酸酯转化为(R)-2-(羟甲基)谷氨酸和(-)-脱氧dysbetaine的合成中间体。