Volume 9, Issue 4 p. 372-394
Article

Mass spectrometric studies of diterpenes: VIII—Epimers

Curt R. Enzell

Curt R. Enzell

Swedish Tobacco Company, Research Department, P.O. Box 17 007, S-104 62 Stockholm, Sweden

Search for more papers by this author
Inger Wahlberg

Inger Wahlberg

Swedish Tobacco Company, Research Department, P.O. Box 17 007, S-104 62 Stockholm, Sweden

Search for more papers by this author
Lars-Erik Gunnarsson

Lars-Erik Gunnarsson

Swedish Tobacco Company, Research Department, P.O. Box 17 007, S-104 62 Stockholm, Sweden

Search for more papers by this author
First published: April 1974
Citations: 10

Abstract

Diterpene epimers differing with respect to orientation of a secondary hydroxyl group, ring fusion or configuration at an asymmetric centre carrying carbon–carbon linked substituents were studied, and certain stereostructural-spectral correlations were achieved for the first two groups. Each of the compounds examined was subjected to multiple scanning at both high and low electron voltage to allow computer assisted statistical calculation and comparison of intensity intervals at a predetermined confidence level for total ion currents and selected peaks.