A tetra-n-butylammonium (TBA) salt of a γ-Keggin â6-charged germanodecatungstate, [γ-H2GeW10O36]6â (I), could act as an efficient homogeneous catalyst for Knoevenagel condensation of active methylene compounds with carbonyl compounds.
四丁基
铵(TBA)盐的γ-Keggin ‐6带负电的德甘十
钨酸盐,[γ-H2GeW10O36]6-(I),可以作为活性亚甲基化合物与羰基化合物进行Knoevenagel缩合反应的高效均相催化剂。