Shouxin Liu, Yanli Gao, Jian-rong Han
Mar 1, 2012
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Journal
Journal of Chemical Crystallography
Abstract
As intermediates of light stabilizer malonate, diethyl 3,5-di-t-butyl-4-hydroxybenzyl phenyl malonates (F.W. 454.58) was synthesized, characterized by 1H NMR, element analysis and confirmed by X-ray crystal structure analysis. This compound crystallizes in monoclinic class under the space group P21/c with cell parameters, a = 9.8218(4) Å, b = 13.5571(5) Å, c = 19.7233(8) Å; β = 102.3530(10)°, and Z = 4. The structure exhibits inter-molecular hydrogen bonds of the type O–H–O, leading to the formation of one dimensional chains.Graphical abstractSubstituted diethyl malonate was synthesized by radical and nucleophilic substitution reaction of malonic esters using 3,5-di-t-butyl-4-hydroxy toluene and diethyl 2-phenylmalonates as raw material, the product’s crystal structure was determined