Use of Circular Dichroism to Determine the Absolute Configuration of a Pimarane Diterpenoid from the Southern African Sclerocroton integerrimus (Euphorbiaceae)

From the stem bark and leaves of Sclerocroton integerrimus, eight compounds, including 17-hydroxy-ent-pimara-8(14),15-dien-3-one (1), were isolated. The structures of the compounds were determined on the basis of spectroscopic analysis. The absolute configuration of 17-hydroxy-ent-pimara-8(14),15-di...

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Bibliographic Details
Published in:Natural product communications 2014-08, Vol.9 (8), p.1131-1133
Main Authors: Tembu, Vuyelwa J., Langat, Moses K., Crouch, Neil R., Mulholland, Dulcie A.
Format: Article
Language:English
Subjects:
Circular Dichroism
Diterpenes, Abietane - chemistry
Euphorbiaceae - chemistry
Molecular Structure
Plant Extracts - chemistry
Plant Leaves - chemistry
Plant Stems - chemistry
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Summary:From the stem bark and leaves of Sclerocroton integerrimus, eight compounds, including 17-hydroxy-ent-pimara-8(14),15-dien-3-one (1), were isolated. The structures of the compounds were determined on the basis of spectroscopic analysis. The absolute configuration of 17-hydroxy-ent-pimara-8(14),15-dien-3-one was confirmed from electronic circular dichroism studies.
ISSN:1934-578X
1555-9475
DOI:10.1177/1934578X1400900818