Enzyme-catalysed asymmetric synthesis of a spiro[3.3]heptane derivative with axial chirality and enzymatic resolution of racemic spiro[3.3]heptane derivatives
作者:Koichiro Naemura、Atsushi Furutani
DOI:10.1039/p19900003215
日期:——
2,6-Bis(acetoxymethyl)-2,6-bis(hydroxymethyl)spiro[3.3]heptane with axial chirality and moderate optical purity has been prepared in high chemical yield by pig liver esterase-catalysed asymmetric hydrolysis of 2,2,6,6-tetrakis (acetoxymethyl)spiro[3.3]heptane. Similarly, racemic 2,6-disubstituted spiro[3.3] heptane derivatives with axial chirality were resolved by enantioselective enzyme-catalysed
通过猪肝酯酶催化的2,2,6不对称水解以高化学收率制备了具有轴向手性和适度光学纯度的2,6-双(乙酰氧基甲基)-2,6-双(羟甲基)螺[3.3]庚烷,6-四(乙酰氧基甲基)螺[3.3]庚烷。同样,通过对映选择性酶催化水解可拆分具有轴向手性的外消旋2,6-二取代螺[3.3]庚烷衍生物。