Ethyl 5-methyl-3-[11-(pyridin-2-yl)-6,11-dihydro-6,11-epoxydibenzo[b,e]oxepin-6-yl]isoxazole-4-carboxylate: A bicyclic acetal from the rearrangement of an anthracenyl isoxazole

Matthew J. Weaver, Michael J. Campbell, Chun Li, Nicholas R. Natale

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

The title compound, C26H20N2O5, is a rearrangement product of an o-pyridinyl anthracenyl isoxazole ester. It features a bicyclic acetal structure, which has two extended almost co-planar ring systems, which subtend a fold angle of 102.17(5)°. In the crystal, the molecules are closely knitted together through C - H⋯N and C - H⋯O hydrogen bonds and form chains of alternating enantiomers propagating along the c-axis direction.

Original languageEnglish
Pages (from-to)1818-1821
Number of pages4
JournalActa Crystallographica Section E: Crystallographic Communications
Volume76
DOIs
StatePublished - Dec 1 2020

Funding

The authors thank the ALSAM Foundation for support of this work. The authors thank Dr Allen G. Oliver (University of Notre Dame) and Dr Jeanette A. Krause (University of Cincinnati) for the synchrotron data collected through the SCrALS (Service Crystallography at the Advanced Light Source) program at Beamline 12.2.1, Advanced Light Source (ALS), Lawrence Berkeley National Laboratory. The Advanced Light Source, is a DOE Office of Science User Facility under contract No. DE-AC02–05CH11231. CL is grateful for both Dr Krause’s guidance in processing synchrotron data and her helpful comments that improved the manuscript. Funding for this research was provided by: ALSAM Foundation Skaggs Scholar Grant (grant No. #1000233768 to Nicholas R. Natale); University of Montana (grant No. 325490 to Nicholas R. Natale).

Funder number
DE-AC02–05CH11231
325490

    Keywords

    • anthracenyl isoxazole
    • crystal structure
    • epoxydibenzo[b,e]oxepin
    • isoxazole

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