

Thermal decomposition of steroidal 5α,8α-peroxides (such as 1) resulted in bisfragmentation of the C(5)-C(10) and C(8)-C(9) bonds, and elimination of acetic acid, to produce a new type of bicyclic compounds, namely 5,10;8,9-diseco-steroid derivatives (such as 2). some chemical transformations of product 2 are described. © 1985.
| EMTREE medical terms: | 5,10:8,9 disecosteroiddrug analysisdrug identificationdrug synthesismass spectrometrynonhumannuclear magnetic resonancepreliminary communicationpriority journaltheoretical study |
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Acknowledgemen te. The authors are grateful to the Serbian Academy of Sciences and Arts and to the Serbian Research Fund for financial support. They also wish to express their thanks to Mrs. G. Rihs for the X-ray analysis of compound 8, to Dr. H. Fuhrer for measurement of and comments on NMR spectra, and to Dr. J. Kalvoda (all from Ciba-Geigy Ltd., Basle, Switzerland) for helpful discussions. A full and detailed report, with these authors, will soon be published elsewhere.
Lorenc, Lj.; Department of Chemistry, Faculty of Science, University of Belgrade, Studentski trg 16, P.O.Box 550,
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