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MedLine Citation:
PMID:  21582189     Owner:  NLM     Status:  PubMed-not-MEDLINE    
In the title compound, C(20)H(16)Br(4), both vinylic substituents were introduced by a Corey-Fuchs reaction using 4,12-diform-yl[2.2]paracyclo-phane as starting material. The title compound may be used as a valuable precursor for the synthesis of diethyn-yl[2.2]paracyclo-phane. The title mol-ecule is centrosymmetric with a crystallographic center of inversion between the centers of the two phenyl rings. A strong tilting is observed with an inter-planar angle between the best aromatic plane and the vinyl plane of 49.4 (5)°. No significant inter-molecular inter-actions are found in the crystal.
Sébastien Clément; Laurent Guyard; Michael Knorr; Christian Däschlein; Carsten Strohmann
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Publication Detail:
Type:  Journal Article     Date:  2009-02-13
Journal Detail:
Title:  Acta crystallographica. Section E, Structure reports online     Volume:  65     ISSN:  1600-5368     ISO Abbreviation:  Acta Crystallogr E Struct Rep Online     Publication Date:  2009  
Date Detail:
Created Date:  2011-05-17     Completed Date:  2011-07-14     Revised Date:  2011-11-11    
Medline Journal Info:
Nlm Unique ID:  101089178     Medline TA:  Acta Crystallogr E Struct Rep Online     Country:  England    
Other Details:
Languages:  eng     Pagination:  o528     Citation Subset:  -    
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