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Poly[(?(3)-rac-5-eth-oxy-carbonyl-6-hy-droxy-6-methyl-4-phenyl-4,5,6,7-tetra-hydro-benzo[c]isoxazol-3-olato)potassium].

ABSTRACT: The title compound, [K(C(17)H(18)NO(5))](n), reveals the relative configuration (4R*,5S*,6R*) whereas its crystals are racemic. The cyclo-hexane ring adopts a half-chair conformation and the isoxazole ring has an envelope conformation. The ethyl fragment of the eth-oxy-carbonyl group at position 5 is disordered in a 0.547?(7):0.453?(7) ratio. The K(+) ion is surrounded by five O atoms from three ligands at distances ranging from 2.606?(2) to 3.028?(2)?Å, generating a three-dimensional network. The crystal packing displays inter-molecular O-H?N and O-H?O hydrogen bonds in which the hy-droxy group acts as a double proton donor.

SUBMITTER: Maharramov AM 

PROVIDER: S-EPMC3120487 | biostudies-literature | 2011 Jun

REPOSITORIES: biostudies-literature

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Poly[(μ(3)-rac-5-eth-oxy-carbonyl-6-hy-droxy-6-methyl-4-phenyl-4,5,6,7-tetra-hydro-benzo[c]isoxazol-3-olato)potassium].

Maharramov Abel M AM   Ismiyev Arif I AI   Rashidov Bahruz A BA  

Acta crystallographica. Section E, Structure reports online 20110525 Pt 6

The title compound, [K(C(17)H(18)NO(5))](n), reveals the relative configuration (4R*,5S*,6R*) whereas its crystals are racemic. The cyclo-hexane ring adopts a half-chair conformation and the isoxazole ring has an envelope conformation. The ethyl fragment of the eth-oxy-carbonyl group at position 5 is disordered in a 0.547 (7):0.453 (7) ratio. The K(+) ion is surrounded by five O atoms from three ligands at distances ranging from 2.606 (2) to 3.028 (2) Å, generating a three-dimensional network. T  ...[more]

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