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Lookup NU author(s): Emeritus Professor Bill Clegg
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The title compound, methyl 8-chlorobicyclo[7.1.0]-deca-1,8-dien-4-yne-2-carboxylate, C12H11ClO2, crystallizes with two chemically equivalent and essentially geometrically and conformationally identical molecules in the asymmetric unit. A cyclopropane ring is fused to a nine-membered ring such that it is flanked by two double bonds; the presence of a triple bond in the larger ring generates considerable strain, evidenced in the marked non-linearity of the alkyne unit [165.2(2)-168.4 (2)° at the C atoms] and the wide angles within the ninemembered ring at the ring fusion atoms [153.09 (10)-155.5(2)°].
Author(s): Clegg W, Al Dulayymi AR, Baird MS
Publication type: Article
Publication status: Published
Journal: Acta Crystallographica Section C: Crystal Structure Communications
Print publication date: 15/12/1996
ISSN (print): 0108-2701
ISSN (electronic): 1600-5759
Publisher: Wiley-Blackwell Publishing
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