期刊
PREPARATIVE BIOCHEMISTRY & BIOTECHNOLOGY
卷 39, 期 2, 页码 194-200出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/10826060902800866
关键词
Active methylene compounds; Inorganic zinc salt; Knoevenagel condensation; Solvent-free
The Knoevenagel condensation of aromatic aldehydes with active methylene compounds (malononitrile or ethyl cyanoacetate), catalyzed by inexpensive and readily available Zn(OAc)22H2O, ZnCl2, and ZnBr2 to prepare arylidene compounds in excellent yields under solvent-free conditions at room temperature has been described.
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