Organic Lab Reactions 77

Organic Lab Reactions 77 - minum Monel metal and stainless...

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72 ALIPHATIC FLUORINE COMPOUNDS fluoride. 63 - n 1,1-Diphenylethylene yields a difluoride; anthracene gives rise to a mixture of 9-fluoroanthracene and 9,10-difluoroanthracene. It is claimed 72 that small amounts of hydrogen fluoride or silicon tetrafluoride are needed to cause the reaction of aryl iodofluorides and olefins. Direct fluorination requires equipment seldom available in the labora- tory but easily constructed. A variety of fluorine generators ha*ve been proposed, 73 " 77 all involving the electrolysis of an acid salt of potassium . 5cm FlO. 2. fluoride. They all have about the same efficiency and differ only in details of construction. 78 They have been made of magnesium, alu-
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Unformatted text preview: minum, Monel metal, and stainless steel. For laboratory purposes copper is both convenient and inexpensive. A laboratory generator which has been found satisfactory over a long period of operation has been de-scribed. 79 71 BockemUUer, Ber., 64, 522 (1931). 71 Simons, J. Am. Chem. Soc., 46, 2175 (1924). 74 Schumb and Gamble, J. Am. Chem. Soc., 52, 4302 (1930). 76 Dennis, Veeder, a n d Rochow, J. Am. Chem. Soc., 53, 3263 (1931). 71 Dennis and Rochow, J. Am. Chem. Soc, 66, 879 (1934). 77 Miller and Bigelow, J. Am. Chem. Soc., 58, 1585 (1936). 78 Simons, Inorg. Syntheses, I, 134 (1940). 79 Henne, / Am. Chem. Soc , 60, 96 (1938)...
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This note was uploaded on 11/20/2011 for the course CHM 2210 taught by Professor Reynolds during the Fall '01 term at University of Florida.

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