930598-05-3Relevant academic research and scientific papers
High-pressure access to the Δ9-cis - And Δ9-trans-tetrahydrocannabinols family
Minuti, Lucio,Ballerini, Eleonora
, p. 5392 - 5403 (2011/08/06)
Diels-Alder reactions of a range of 1-(alkoxy/alkyl-substituted phenyl)buta-1,3-dienes with methyl vinyl ketone and methyl acrylate carried out in ethanol as the reaction medium under 9 kbar pressure were investigated. The use of high pressure as the activating method of the Diels-Alder reactions allows the efficient and endodiastereoselective generation of a series of cis-cyclohexenyl-benzene cycloadducts, which are selectively converted into their trans-epimers. The cis-cyclohexenyl-benzenes and trans-cyclohexenyl- benzenes produced are useful precursors for accessing substituted privileged cis-6a,7,8,10a-tetrahydro-6H-benzo[c]chromene and trans-6a,7,8,10a-tetrahydro- 6H-benzo[c]chromene skeletons. The total syntheses of Δ9-cis- tetrahydrocannabinol (THC) and Δ9-trans-THC, through the use of selected Diels-Alder adducts, are described. Finally, a route for obtaining Δ9-trans-THC in both enantiomeric pure forms based on the (S)-(-)-1-amino-2-(methoxymethyl)pyrrolidine (SAMP)-hydrazone method is also reported.
Synthesis of (-)-Δ9-trans-tetrahydrocannabinol: Stereocontrol via mo-catalyzed asymmetric allylic alkylation reaction
Trost, Barry M.,Dogra, Kalindi
, p. 861 - 863 (2007/10/03)
(Chemical Equation Presented) Δ9-THC is synthesized in enantiomericaly pure form, where all of the stereochemistry is derived from the molybdenum-catalyzed asymmetric alkylation reaction of the extremely sterically congested bis-ortho-substitut
