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Effects of aryl and arylethynyl substituents at the 1-position on rotational barrier around C(sp)-C(sp3) bonds and bending deformation of acetylenic carbons in bis(9-triptycyl)ethynes

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Keywords: alkynes; stereoisomerism; steric and strain effect; substituent effect

Document Type: Research Article

DOI: http://dx.doi.org/10.1016/S0040-4020(01)00232-0

Affiliations: Department of Chemistry, Faculty of Science, Okayama University of Science, Ridaicho, 700-0005, Okayama, Japan

Publication date: April 23, 2001

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