Single crystal X-ray analysis of isomeric 2-(2,4,4-trimethyl-3,4-dihydro-2h-benzo[h]x chromen-2-yl)-1-naphthyl acetate and 3-(2,4,4-trimethyl-3,4-dihydro-2H-benzo[g]x chromen-2-yl)-2-naphthyl acetate

被引：1
|
作者：
Srinivasan, B. R. [1 ]
Raghavaiah, P. [2 ]
Shirsat, R. N. [1 ]
Menezes, J. C. J. M. D. S. [1 ]
Kamat, S. P. [1 ]
机构：
[1] Goa Univ, Dept Chem, Goa, India
[2] Univ Hyderabad, Sch Chem, Natl Single Crystal Xray Diffractometer Facil, Hyderabad 500134, Andhra Pradesh, India
来源：
JOURNAL OF STRUCTURAL CHEMISTRY | 2012年 / 53卷 / 05期
关键词：
2-(2,4,4-trimethyl-3,4-dihydro-2H-benzo[h]chromen-2-yl)-1-naphthyl acetate; 3-(2,4,4-trimethyl-3,4-dihydro-2H-benzo[g]chromen-2-yl)-2-naphthyl acetate; naphthopyran; benzoflavans; crystal structure; structural isomers; INULAVOSIN;
D O I：
10.1134/S0022476612050174
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Single crystal X-ray structure characterization of isomeric 2-(2,4,4-trimethyl-3,4-dihydro-2H-benzo[h]chromen-2-yl)-1-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 C-HaEuro broken vertical bar O bonding, 2 is involved in two intermolecular C-HaEuro broken vertical bar O interactions resulting in a one-dimensional H-bonded network.
引用
收藏
页码：943 / 947
页数：5
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