A CONVENIENT METHOD FOR THE SYNTHESIS OF 1-R-1,2,3,4-TETRAHYDROBENZOTHIENO[2,3-<i>c</i>]PYRIDINE DERIVATIVES
DOI:
https://doi.org/10.1007/1402Keywords:
2-(1-benzothiophen-3-yl)ethylamine, 1, 2, 3, 4-tetrahydrobenzothieno[2, 3-c]pyridine, triisopropylchlorosilane, Pictet-Spengler reactionAbstract
New 1-R-2-methyl-1,2,3,4-tetrahydrobenzothieno[2,3-c]pyridine derivatives have been obtained by cyclization of 2-(1-benzothiophen-3-yl)ethylamines with aromatic and heteroaromatic aldehydes in the presence of triisopropylchlorosilane.
Authors: V. S. Tolkunov, A. B. Eresko, A. V. Mazepa, and S. V. Tolkunov.
English translation in Chemistry of Heterocyclic Compounds, 2011, 47 (9), pp 1170-1175