Constituents of cannabis sativa L. An improved method for the synthesis of dl‐cannabichromene

Mahmoud A. Eisohly, Edward G. Boeren, Carlton E. Turner

Journal of Heterocyclic Chemistry · 1978 · 21 citations · 7 references

Concepts

Abstract

Abstract A new procedure was developed for the synthesis of cannabichromene (III) which involves reflux of equimolar amounts of olivetol (I), citral (II) and t ‐butylamine in toluene for 9 hours. The purification of III was best achieved by sodium borohydride reduction of unreacted II followed by column chromatography on 1% sodium hydroxide impregnated silica gel 60‐PF. The yield of III (62.0%) was much higher than that reported in the literature.

References

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