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The Structures of Three [2.2]Paracyclophane Derivatives with Anellated Four‐Membered Rings
Author(s) -
Hopf Henning,
Hinrichs Heino,
Ernst Ludger,
Jones Peter G.,
Boekelheide Virgil
Publication year - 2012
Publication title -
israel journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.908
H-Index - 54
eISSN - 1869-5868
pISSN - 0021-2148
DOI - 10.1002/ijch.201100093
Subject(s) - chemistry , nuclear magnetic resonance spectroscopy , cyclophane , stereochemistry , crystallography , spectroscopy , computational chemistry , crystal structure , physics , quantum mechanics
The structures of the three benzocyclobutenophanes 1 a , 1 b (2 stereoisomers), and 11 have been determined by NMR spectroscopy and X‐ray structural analysis. The preparation of 11 from 4,5‐diethynyl[2.2]paracyclophane ( 9 ) is described.