Journal of Heterocyclic Chemistry p. 699 - 700 (1978)
Update date:2022-08-11
Topics:
ElSohly
Boeren
Turner
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.
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Doi:10.1021/j100389a020
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