The catalytic activities and enantioselectivities of their pd-complexes were assessed in asymmetric allylic alkylation .
考察了它们与过渡金属把配合物在不对称烯丙基烷基化反应中的催化活性和不对称诱导作用。
Using acyclovir as raw material , two novel tricyclic derivatives of guanine analogue were synthesized through the reaction of cyclization , esterification and alkylation .
