期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 72, 期 26, 页码 10258-10260出版社
AMER CHEMICAL SOC
DOI: 10.1021/jo701735n
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[GRAPHICS] We found that difluorocarbene generated from chlorodifluoromethane with 50% aqueous sodium hydroxide reacts with lipophilic tertiary amines 1a-g giving difluoromethyltrialkylammonium chlorides 2a-g in high yields. Similarly, difluoromethyltrialkylammonium iodides 3h-l, nitrates 4h-k, or isothiocyanates 5i,j were synthesized from hydrophilic tertiary amines 1h-l and the corresponding sodium or potassium salts. The process is catalytic with respect to the base used.
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