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Synthesis of condensed heterocycles via cyclopropylimine rearrangement of cyclopropylazoles

✍ Scribed by Yury V. Tomilov; Dmitry N. Platonov; Aleksandr E. Frumkin; Dmitry L. Lipilin; Rinat F. Salikov

Publisher: Elsevier Science
Year: 2010
Tongue: French
Weight: 473 KB
Volume: 51
Category: Article
ISSN: 0040-4039
DOI: 10.1016/j.tetlet.2010.07.096

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Dimerizations of cyclic enamines 1 (R=H2) occurring via iminium intermediates 2 (R=H2) are well-known 1) and have been applied recently in alkaloid synthe-sis2). Schematically the overall process can be represented as follows: R'