Journal
TETRAHEDRON LETTERS
Volume 55, Issue 41, Pages 5635-5638Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2014.08.054
Keywords
Indolizine; 1,3-Dipolar cycloaddition; Pyrrolo[2,1-a]isoquinoline; Dicyanomethylide; X-ray diffraction
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Funding
- NRF (Pretoria)
- University of Capetown
- Sectorial Operational Programme Human Resources Development of the Ministry of European [POSDRU/159/1.5/S/134398]
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7,8,9,10-Tetrahydropyrrolo[2,1-a]isoquinolines were obtained by 1,3-dipolar cycloaddition reactions of their corresponding N-ylides with olefinic (acrylonitrile) and symmetrical or non-symmetrical acetylenic dipolarophiles (methyl/ethyl propiolate, dimethyl acetylenedicarboxylate). Also, stable 5,6,7,8-tetrahydroisoquinolinium dicyanomethylide was isolated and characterized by X-ray diffraction analysis. (C) 2014 Elsevier Ltd. All rights reserved.
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