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O-Methyl Phytocannabinoids: Semi-synthesis, Analysis in Cannabis Flowerheads, and Biological Activity.

O-Methyl Phytocannabinoids: Semi-synthesis, Analysis in Cannabis Flowerheads, and Biological Activity. Planta Med. 2019 Apr 01;: Authors: Caprioglio D, Allegrone G, Pollastro F, Valera S, Lopatriello…

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O-Methyl Phytocannabinoids: Semi-synthesis, Analysis in Cannabis Flowerheads, and Biological Activity.

O-Methyl Phytocannabinoids: Semi-synthesis, Analysis in Cannabis Flowerheads, and Biological Activity.

Planta Med. 2019 Apr 01;:

Authors: Caprioglio D, Allegrone G, Pollastro F, Valera S, Lopatriello A, Collado JA, Munoz E, Appendino G, Taglialatela-Scafati O

Abstract
A general protocol for the selective mono-O-methylation of resorcinyl phytocannabinoids was developed. The availability of semisynthetic monomethyl analogues of cannabigerol, cannabidiol, and cannabidivarin (1A: -3A: , respectively) made it possible to quantify these minor phytocannabinoids in about 40 different chemotypes of fiber hemp. No chemotype significantly accumulated mono-O-methyl cannabidiol (2B: ) or its lower homologue (3B: ), while at least three chemotypes containing consistent amounts (≥ 400 mg/kg) of O-methylcannabigerol (1B: ) were identified. O-Methylation of alkyl phytocannabinoids (1B: -3B: ) does not significantly change the activity on peroxisome proliferator-activated receptors in contrast to what was reported for phenethyl analogues.

PMID: 30934093 [PubMed – as supplied by publisher]

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