Synthesis of phenanthroindolizidines. II. The synthesis of (±)-tylocrebrine, (±)-tylophorine, (±)-antofine, and (±)-2,3-dimethoxyphenanthroindolizidine
- 1 January 1970
- journal article
- research article
- Published by CSIRO Publishing in Australian Journal of Chemistry
- Vol. 23 (12) , 2503-2516
- https://doi.org/10.1071/ch9702503
Abstract
A new synthesis of the racemic forms of the phenanthroindolizidine alkaloids, tylocrebine, tylophorine, and antofine, together with the previously unknown 2,3-dimethoxyphenanthroindolizidine, is described. Some features of the n.m.r. spectra of the final products and certain of the synthetic intermediates are discussed.Keywords
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