| abstract |
A process for the preparation of diverse known and novel cannabinoids (5), which include cannabinol (CBN, 1), cannabinolic acid (CBNA, 2), cannabivarin (CBV, 3) and cannabivarinic acid (CBVA, 4) and other naturally occurring monocyclic and tricyclic cannabinoids and other analogues from simple inexpensive starting materials using a cascade sequence of allylic rearrangement, aromatization and, as appropriate, further highly selective cyclization reactions. Additionally, cannabinoids of the formula (5) and intermediates of the formula (9) form part of the invention. Use of medicaments comprising one or more of the disclosed cannabinoids alone or admixed with one or more other cannabinoids is also disclosed. |