Unclassical hydrogen bonds of C-H?O and C-H?Cl in the crystals of 1,4-diaryl Hantzsch esters |
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| Authors: | Xiao-Qing Zhu Jian-Shuang Wang |
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| Institution: | Department of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, PR China |
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| Abstract: | Three novel N1-substituted derivatives of Hantzsch ester were synthesized and the molecular structures were studied by using X-ray crystallography. Two types of unclassical hydrogen bonds C-H?O and C-H?Cl were presented in the crystals. The formation of such a hydrogen bond is dependent on the nature of the substituent at C23. |
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