Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Tokyo 113-8656, Japan.
Chem Commun (Camb). 2012 Aug 28;48(67):8422-4. doi: 10.1039/c2cc33839d. Epub 2012 Jul 13.
A tetra-n-butylammonium (TBA) salt of a γ-Keggin -6-charged germanodecatungstate, γ-H(2)GeW(10)O(36) (I), could act as an efficient homogeneous catalyst for Knoevenagel condensation of active methylene compounds with carbonyl compounds.
一种γ-Keggin-6 价锗钨酸盐的四正丁基铵(TBA)盐,γ-H(2)GeW(10)O(36)(I),可作为活性亚甲基化合物与羰基化合物的Knoevenagel 缩合反应的高效均相催化剂。