Journal
JOURNAL OF FLUORINE CHEMISTRY
Volume 195, Issue -, Pages 102-107Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jfluchem.2016.12.010
Keywords
Fluorinated pyrrole; Fluorinated 3-pyrroline; N-aryl fluorinated imines; Allenoates; [3+2] annulation
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Funding
- National Basic Research Program of China [2012CB821600]
- National Natural Science Foundation of China [21172239]
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A phosphine-catalyzed [3 + 2] annulation of N-aryl fluorinated imines with allenoates is reported. A series of fluorinated pyrrolines is obtained in moderate yield, which are further transformed to fluorinated pyrroles via dehydro-aromatization by DDQ in high to excellent yield. The reaction mechanism is also discussed. (C) 2016 Published by Elsevier B.V.
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