Entilins A and B, two novel heptanortriterpenoid derivatives from Entandrophragma utile (Meliaceae): structural elucidation using 2D nmr long-range δC/δH correlation experiments

Tchouankeu, J. C., Tsamo, E., Sondengam, B. L., Connolly, J. D. and Rycroft, D. S. (1990) Entilins A and B, two novel heptanortriterpenoid derivatives from Entandrophragma utile (Meliaceae): structural elucidation using 2D nmr long-range δC/δH correlation experiments. Tetrahedron Letters, 31(31), pp. 4505-4508. (doi:10.1016/S0040-4039(00)97661-5)

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Abstract

Entilin A and its 2-acetate, entilin B, isolated from the stem bark of Entandrophragma utile have been assigned structures 1 and 2 mainly by using deductive arguments to interpret 2D NMR long-range δC/δH correlation experiments.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Connolly, Professor Joseph and Rycroft, Dr David
Authors: Tchouankeu, J. C., Tsamo, E., Sondengam, B. L., Connolly, J. D., and Rycroft, D. S.
Subjects:Q Science > QD Chemistry
College/School:College of Science and Engineering > School of Chemistry
Journal Name:Tetrahedron Letters
Publisher:Pergamon Press plc
ISSN:0040-4039
ISSN (Online):1873-3581

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