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Cyclophanes, Part 73: diastereoselective dimerization of an α,β-unsaturated ketone. Structure of all-trans-1,3-dibenzoyl-2,4-di([2.2]paracyclophan-4-yl)cyclobutane

Cyclophanes, Part 73: diastereoselective dimerization of an α,β-unsaturated ketone. Structure of... AbstractThe dimerization of an α,β-unsaturated ketone led to a product that consists of a single diastereomer with all-trans configuration, as shown by an X-ray structure investigation. We postulate that the steric bulk of the 4-[2.2]paracyclophanyl substituent is responsible for the diastereoselectivity. The central cyclobutane ring is puckered, with a fold angle of 27.9(1)°. The cyclophane units show the usual distortions associated with the bridge strain. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Zeitschrift für Naturforschung B de Gruyter

Cyclophanes, Part 73: diastereoselective dimerization of an α,β-unsaturated ketone. Structure of all-trans-1,3-dibenzoyl-2,4-di([2.2]paracyclophan-4-yl)cyclobutane

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References (7)

Publisher
de Gruyter
Copyright
©2015 by De Gruyter
ISSN
0932-0776
eISSN
1865-7117
DOI
10.1515/znb-2015-0022
Publisher site
See Article on Publisher Site

Abstract

AbstractThe dimerization of an α,β-unsaturated ketone led to a product that consists of a single diastereomer with all-trans configuration, as shown by an X-ray structure investigation. We postulate that the steric bulk of the 4-[2.2]paracyclophanyl substituent is responsible for the diastereoselectivity. The central cyclobutane ring is puckered, with a fold angle of 27.9(1)°. The cyclophane units show the usual distortions associated with the bridge strain.

Journal

Zeitschrift für Naturforschung Bde Gruyter

Published: Aug 1, 2015

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