Extractives of Australian timbers. XI. The stereochemistry of ceanothic acid
- 1 January 1971
- journal article
- research article
- Published by CSIRO Publishing in Australian Journal of Chemistry
- Vol. 24 (3) , 621-632
- https://doi.org/10.1071/ch9710621
Abstract
An examination of the N.M.R. spectra of ceanothic acid and derivatives has led to its formulation as 2α-carboxy-3β-hydroxy-A(1)-norlup-20(29)- en-28-oic acids (1; R = H) in which the carboxy and hydroxy groups attached to ring A have the inverse of the trans configuration originally assigned to them by de Mayo and Starratt.1Keywords
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