neutral complex

Chiral complexes prepared in situ from cinchona alkaloids and metal salts were applied to the catalytic asymmetric reduction of acetophenone for the first time.

金鸡纳生物碱的金属络合物用于苯乙酮的不对称催化还原刘湘（无锡轻工大学化工系无锡２１４０３６）李纪国张正（南京大学化学系南京２１００９３）关键词金鸡纳生物碱手性络合物不对称还原苯乙酮分类号Ｏ６４３。

A chiral complex, in situ prepared from (-)quinine and CoCl2 was used as catalyst for asymmetric reduction of aromatic prochiral ketones: pR2C6H4COR1 (R1, R2 shown in Tab.

奎宁与钴（Ⅱ）手性络合物用于前手性酮的不对称催化还原刘湘＊李纪国张正（无锡轻工大学化工系无锡２１４０３６）（南京大学化学系南京）关键词手性络合物，不对称还原，前手性芳香酮１９９６－１０－２５收稿，１９９７－０４－２２修回前手性酮的不对。

Based on the theory of reactive extraction,the new neutral complexing extraction systems (EFM 1 and diluent) for the extraction of meleumycin was studied in detail.

从反应萃取的机理出发，以麦白霉素的萃取为例讨论了中性络合萃取体系。