Showing papers on "Isopimpinellin published in 1973"

TL;DR: In support of previous suggestions, 7-demethylsuberosin and (±)-marmesin were very good precursors of the linear furanocoumarins and 7- O -Prenylumbelliferone was fairly well utilized.

TL;DR: In this paper, extensive degradation studies on these systems have provided the opportunity to evaluate the various centers in these radioactive coumarins obtained from mevalonate incorporation, and these results are discussed in the light of previous proposals.

TL;DR: In this paper, the authors performed feeding experiments with various labeled forms of mevalonic acid with Thamnosma montana tissue cultures and determined the position of label through specific degradations.

TL;DR: The role of sodium acetate and glycine in the biosynthesis of coumarins, umbelliprenin, isopimpinellin, and alloimperatorin methyl ether has been investigated in this paper.

TL;DR: Partial demethylation of isopimpinellin and methylation of psoralene hydroquinone afforded 5methoxy-9-hydroxypsoralene as discussed by the authors.