Chiral imine 1 derived from (r) glyceraldehyde acetonide could rapidly react with ketenes 2 which was converted from mixed anhydride or acid chloride under mild conditions.
由(R) -丙叉甘油醛得到的手性亚胺1能与烯酮2在温和条件下迅速反应。
2
The new species differs from R. bullata by the absence of fumarprotocetraric acid and the difference of geographical distribution.
本种与泡状脐鳞的区别是不含富马原岛衣酸及地理分布的差异。
3
To study the synthesis of chiral precursor R(-)-mandelic acid obtained by asymmetric bioreduction of phenylglyoxylic acid.