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The Preparation and Allylation of Difluoromethylcadmium by Greg A. Hartgraves; Donald J. Burton is a Chemistry article available to read on EtoBox.

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The reaction of iodo-and bromodifluoromethane with cadmium powder in DMF at room temperature provides a useful route to difluoromethylcadmium. This partially fluorinated cadmium reagent exhibits excellent thermal stability to temperatures of 65-75 "C, and rapid decomposition does not occur until 105 'C. This reagent reacts readily with allylic halides and shows promise as a new difluoromethylation reagent. \* "F NMR (CC14): @\* -143.2 ppm (dt); 'H NMR (CC14): 6 5.62 (t); 2D NMH (CC14): 6 3.60 (t) rel. to d6 acetone: JFD 7.8 HZ, JFH 50.8 HZ; GC/MS: m/e 50 (5.4), 51 (43.1), 52 (loo), 53 (12.1). \*\*l'F NMH (d6 acetone): @\* -67.5 ppm (d); 'H NMH (d6 acetone): 6 8.16 (t); JHF 56.2 Hz; GC/MS: m/e 51 (33.7), 127 (loo), 159 (21.9), 178 (60.6).

Who reads The Preparation and Allylation of Difluoromethylcadmium?

Author

Greg A. Hartgraves; Donald J. Burton

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0022-1139)

Published

1988

Language

EN

Field

Chemistry (Physical Sciences)