Abstract
The 13C NMR chemical shifts of ent-beyer-15-ene, and one hydroxy and four acetoxy derivatives are reported. The substituent effects of the acetoxy groups upon the saturated and olefinic carbon atoms are discussed. Conformational aspects of the molecules are considered in the light of these effects. © 1977.
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CITATION STYLE
APA
Von Carstenn-Lichterfelde, C., Pascual, C., Rabanal, R. M., Rodriguez, B., & Valverde, S. (1977). 13C NMR substituent effects in tetracyclic diterpenoids. Tetrahedron, 33(15), 1989–1992. https://doi.org/10.1016/0040-4020(77)80389-X
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