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Ismiyev AI, Maharramov AM, Rashidov BA, et al. rac-Ethyl 6-hy-droxy-6-methyl-3-oxo-4-phenyl-1,3,4,5,6,7-hexa-hydro-benzo[c][1,2]oxazole-5-carboxyl-ate. Acta Crystallogr Sect E Struct Rep Online. 2011;67:o3018doi: 10.1107/S1600536811042395.
Ismiyev, A. I., Maharramov, A. M., Rashidov, B. A., Mammadova, G. Z., & Askerov, R. K. (2011). rac-Ethyl 6-hy-droxy-6-methyl-3-oxo-4-phenyl-1,3,4,5,6,7-hexa-hydro-benzo[c][1,2]oxazole-5-carboxyl-ate. Acta crystallographica. Section E, Structure reports online, 67o3018. https://doi.org/10.1107/S1600536811042395
Ismiyev, Arif I, et al. "rac-Ethyl 6-hy-droxy-6-methyl-3-oxo-4-phenyl-1,3,4,5,6,7-hexa-hydro-benzo[c][1,2]oxazole-5-carboxyl-ate." Acta crystallographica. Section E, Structure reports online vol. 67 (2011): o3018. doi: https://doi.org/10.1107/S1600536811042395
Ismiyev AI, Maharramov AM, Rashidov BA, Mammadova GZ, Askerov RK. rac-Ethyl 6-hy-droxy-6-methyl-3-oxo-4-phenyl-1,3,4,5,6,7-hexa-hydro-benzo[c][1,2]oxazole-5-carboxyl-ate. Acta Crystallogr Sect E Struct Rep Online. 2011 Nov;67:o3018. doi: 10.1107/S1600536811042395. Epub 2011 Oct 22. PMID: 22220035; PMCID: PMC3247417.
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Acta Crystallogr Sect E Struct Rep Online. 2011 Nov;67:o3018. doi: 10.1107/S1600536811042395. Epub 2011 Oct 22.

rac-Ethyl 6-hy-droxy-6-methyl-3-oxo-4-phenyl-1,3,4,5,6,7-hexa-hydro-benzo[c][1,2]oxazole-5-carboxyl-ate.

Acta crystallographica. Section E, Structure reports online

Arif I Ismiyev, Abel M Maharramov, Bahruz A Rashidov, Gunay Z Mammadova, Rizvan K Askerov

Affiliations

  1. Baku State University, Z. Khalilov St. 23, Baku AZ-1148, Azerbaijan.

PMID: 22220035 PMCID: PMC3247417 DOI: 10.1107/S1600536811042395

Abstract

In the title compound, C(17)H(19)NO(5), the cyclo-hexene ring is in a half-chair conformation and the isoxazole ring in an envelope conformation with the N atom as the flap. The C atoms in the 4- and 6-positions are of the same absolute configuration, whereas the C atom in the 5-position is of the opposite configuration, i.e. (4S*,5R*,6S*). The methyl fragment of the eth-oxy-carbonyl group at position 5 is disordered over two sets of sites in a 0.60:0.40 ratio. The crystal packing displays inter-molecular N-H⋯O and O-H⋯O hydrogen bonds.

References

  1. Acta Crystallogr A. 2008 Jan;64(Pt 1):112-22 - PubMed

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