SYNTHESIS, CRYSTAL STRUCTURE, AND DFT STUDY
OF METHYL 3-FLUORO-5-(4,4,5,5-TETRAMETHYL-1,3,2-
DIOXABOROLAN-2-YL)BENZOATE AND (2-METHYL-4-
(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)
PHENYL)(PYRROLIDIN-1-YL)METHANONE COMPOUNDS
作者:P. -Y. Huang、Z. -S. Yang、Q. -M. Wu、D. -Z. Yang、J. -J. Chen、H. -F. Chai、C. -S. Zhao
DOI:10.1134/s0022476621060044
日期:2021.6
Abstract Methyl 3-fluoro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate and (2-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)(pyrrolidin-1-yl)methanone are boric acid ester intermediates with benzene rings. In this paper, the title compounds are obtained by a three-step substitution reaction. The structures of the compounds are confirmed by FTIR, 1H and 13C NMR spectroscopy
摘要 3-氟-5-(4,4,5,5-四甲基-1,3,2-二氧硼烷-2-基)苯甲酸甲酯和(2-甲基-4-(4,4,5,5-四甲基- 1,3,2-二氧杂硼烷-2-基)苯基)(吡咯烷-1-基)甲酮是具有苯环的硼酸酯中间体。在本文中,标题化合物是通过三步取代反应获得的。化合物的结构经 FTIR、1 H 和13C NMR光谱和质谱。同时,标题化合物的单晶通过 X 射线衍射测量并进行晶体学和构象分析。使用密度泛函理论 (DFT) 进一步计算分子结构,并将其与 X 射线衍射值进行比较。构象分析结果表明,DFT优化的分子结构与单晶X射线衍射确定的晶体结构一致。此外,通过DFT进一步研究了标题化合物的分子静电势和前沿分子轨道,揭示了化合物的一些理化性质。