Reaction of Imperialine with Isocyanates View Full Text


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Article Info

DATE

2016-10-25

AUTHORS

M. A. Eshonov, Kh. M. Bobakulov, N. I. Mukarramov, K. K. Turgunov, B. Tashkhodzhaev, N. D. Abdullaev, R. Shakirov

ABSTRACT

Three new imperialine derivatives, i.e., 3-O-2-nitrophenylcarbamatoimperialine, 3-O-ethylaminocarbonylimperaline, and 3-O-allylaminocarbonylimperialine, were synthesized. The structures of the synthesized compounds were established using PMR and 13C NMR spectroscopy and a DEPT experiment and were confirmed by an X-ray crystal structure analysis (XSA). A comparison of the steric structures of imperialine and its 3-O-2-nitrophenyl and 3-O-ethylaminocarbonyl derivatives showed that H-bonds and crystal packing factors could cause conformational changes of the conditionally middle rings of the polycyclic imperialine framework. More... »

PAGES

1061-1065

References to SciGraph publications

  • 1993-07-01. Imperialine esters and their M2-choline-blocking activity in CHEMISTRY OF NATURAL COMPOUNDS
  • 1996-05. Alkaloids. Plants, structures, properties in CHEMISTRY OF NATURAL COMPOUNDS
  • 2014-01-12. Alkaloids of Buxus sempervirens, Crystal and Molecular Structure of Cyclobuxine-D and Imperialine in CHEMISTRY OF NATURAL COMPOUNDS
  • Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1007/s10600-016-1861-7

    DOI

    http://dx.doi.org/10.1007/s10600-016-1861-7

    DIMENSIONS

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