2-Propynyl 2-hydroxybenzoate

Stephan M. Levonis, Milton J. Kiefel, Todd A. Houston, Peter C. Healy

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Abstract

The title compound, C10H8O3, has been synthesized as part of our investigations into the generation of new anti-bacterial agents and serves as a building block for the synthesis of compound libraries. The compound crystallizes with two independent mol-ecules in the asymmetric unit. The transoid propynyl ester groups are coplanar with the 2-hydroxybenzoate group with maximum deviations of-0.3507 (3) and 0.1591 (3) Å for the terminal carbons, with intra-molecular O-H⋯O hydrogen bonding providing rigidity to the structure and ensuring that the reactivity of the alkyne is not compromised by steric factors. The propynyl group forms inter-molecular C-H⋯O inter-actions with the phenolic O atom. Supra-molecular chains along the b axis are found for both mol-ecules with links by weak O-H⋯O inter-molecular inter-actions in the first independent mol-ecule and C-H⋯O inter-actions in the second.

Original languageEnglish
JournalActa Crystallographica Section E: Crystallographic Communications
Volume66
Issue number1
DOIs
Publication statusPublished - 2010
Externally publishedYes

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