The crystal and molecular structures of 9,10-dihydro-9, 10-ethano- and etheno-anthracenes期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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The crystal and molecular structures of 9,10-dihydro-9, 10-ethano- and etheno-anthracenes

Authors:	J Karolak-Wojciechowska H B Trzeźwińska S Alibert-Franco C Santelli-Rouvier J Barbe

Institution:	(1) Institute of General and Ecological Chemistry, Technical University, 90-924 ód, wirki 36, Poland;(2) GERCTOP, UPRESA CNRS 6009, Faculté de Pharmacie, 27bd Jean Moulin, 13385 Marseille, CEDEX 05, France

Abstract:	As part of our investigation on histamine receptor antagonists, the structures of two 9-10-dihydroanthracene derivatives are reported: 4: C₂₂H₂₈N₂; hexagonal, P6₁; a = 10.014(1), c = 34.556(7) Å; V = 3001.0(7)Å³; and Z = 6; 9:C₁₉H₁₉N: triclinic, P-1; a = 8.427(2), b = 12.806(3), c = 15.292(3) Å, = 70.27(3), = 80.83(3), = 72.98(3)°; V = 1482.0(6) Å³; and Z = 4. All non-aromatic rings in both molecules adopt a similar conformation. However, the three six-membered rings in the etheno-anthracene structure adopt a more regular boat form in spite of two sp² carbon bridged atoms.

Keywords:	9 10-dihydro-9 9 10-ethano and etheno-anthracenes alkylamines x-ray structures
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