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|Type:||Artigo de periódico|
|Title:||Synthesis of the 3-(3,4,5-trimethoxyphenyl)pyrrolidine: A new conformationally constrained mescaline analogue|
|Abstract:||The total synthesis of the 3-(3,4,5-trimethoxyphenyl)-pyrrolidine, a new and conformationally constrained mescaline analogue, was accomplished in a concise and efficient manner. The synthetic route encompassed only 4 steps from the starting NCbz-3- pyrrolidine, in 46% overall yield. The route features a highly effective Heck arylation of the non-activated olefin N-Cbz-3-pyrrolidine with the 3,4,5-trimethoxybenzene diazonium tetrafluoroborate. The hemiaminal (lactamol) Heck adduct was converted to the mescaline analogue in a sequence of reactions: ( a) dehydration of the intermediate hemiaminal 3 with trifluoroacetic acid anhydride, (b) hydrogenation/ hydrogenolysis of the endocyclic enecarbamate 6 with H2-Pd/C, and (c) formation of the rather stable mescaline analogue in the form of a hydrochloride salt. The target molecule constitutes a new mescaline analogue with potential activity towards 5-HT2 dopamine receptors.|
|Editor:||Taylor & Francis Inc|
|Citation:||Synthetic Communications. Taylor & Francis Inc, v. 37, n. 12, n. 2011, n. 2018, 2007.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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