gibberic acid: hydrogen-bonding pattern of the monohydrate of a non-racemic tetracyclic delta-keto acid derivative of gibberellin A3.

H W Thompson, R A Lalancette

Carl A. Olson Memorial Laboratories, Department of Chemistry, Rutgers University, Newark, NJ 07102, USA.

Acta crystallographica. Section C, Crystal structure communications 2001 Jul

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In the the title compound, 1,7-dimethyl-8-oxo-4balpha,7alpha-gibba-1,3,4a(10a)-triene-10beta-carboxylic acid monohydrate, C18H20O3*H2O, the water of hydration accepts a hydrogen bond from the carboxyl and donates hydrogen bonds to the carboxyl carbonyl and the ketone in two different screw-related neighbors, which are mutually translational, yielding a complex three-dimensional hydrogen-bonding array.

Citation

H W Thompson, R A Lalancette. gibberic acid: hydrogen-bonding pattern of the monohydrate of a non-racemic tetracyclic delta-keto acid derivative of gibberellin A3. Acta crystallographica. Section C, Crystal structure communications. 2001 Jul;57(Pt 7):841-3