Iron(ii) carboxylates and simple carboxamides: an inexpensive and modular catalyst system for the synthesis of PLLA and PLLA-PCL block copolymers

铁（ii）羧酸盐和简单的酰胺：用于合成 PLLA 和 PLLA-PCL 嵌段共聚物的廉价模块化催化剂系统