首页> 外文期刊>Журнал струκтурной химии >SINGLE CRYSTAL X-RAY ANALYSIS OF ISOMERIC 2-(2,4,4-TRIMETHYL-3,4-DIHYDRO-2H-BENZO[h]CHROMEN-2-YL)-1-NAPHTHYL ACETATE AND 3-(2,4,4-TRIMETHYL-3,4-DIHYDRO-2H-BENZO[g]CHROMEN-2-YL)- 2-NAPHTHYL ACETATE
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SINGLE CRYSTAL X-RAY ANALYSIS OF ISOMERIC 2-(2,4,4-TRIMETHYL-3,4-DIHYDRO-2H-BENZO[h]CHROMEN-2-YL)-1-NAPHTHYL ACETATE AND 3-(2,4,4-TRIMETHYL-3,4-DIHYDRO-2H-BENZO[g]CHROMEN-2-YL)- 2-NAPHTHYL ACETATE

机译:异构体2-(2,4,4-三甲基-3,4-二氢-2H-苯并[h]铬-2-基)-1-乙酸萘酯和3-(2,4 ,,的单晶X射线分析4-三甲基-3,4-二氢-2H-苯并[g]铬-2-基)-乙酸2-萘酯

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摘要

Single crystal X-ray structure characterization of isomeric 2-(2,4,4-trimethyl-3,4-dihydro-2H-benzo[h]chromen-2-yl)-l-naphthyl acetate (1) and 3-(2,4,4-trimethyl-3,4-dihydro-2H-benzo[g]chromen-2-yl)-2-naphthyl acetate (2) is described. Compound 1 crystallizes in the centrosymmetric monoclinic space group P2_1/c with all atoms situated in general positions. Isomeric compound 2 crystallizes in the centrosymmetric triclinic space group P-1 and its structure consists of two crystallographically independent molecules with all atoms located in general positions. In addition to intramolecular С-H···O bonding, 2 is involved in two intermolecular С-H···O interactions resulting in a one-dimensional H-bonded network.
机译:异构体2-(2,4,4-三甲基-3,4-二氢-2H-苯并[h]铬n-2-基)-1-乙酸萘酯的单晶X射线结构表征(1)和3-(描述了2,4,4-三甲基-3,4-二氢-2H-苯并[g]铬-2-基)-2-乙酸萘酯(2)。化合物1在中心对称的单斜空间群P2_1 / c中结晶,所有原子都位于一般位置。异构体化合物2在中心对称的三斜空间群P-1中结晶,其结构由两个晶体学独立的分子组成,所有原子均位于大体位置。除分子内С-H···O键外,2还参与两个分子间С-H···O相互作用,从而形成一维H-键合网络。

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