Heterocycles p. 1583 - 1590 (2012)
Update date:2022-08-30
Topics:
Sugimoto, Osamu
Harada, Yukihiro
Tanji, Ken-Ichi
Reaction of triphenylphosphine with trichloroisocyanuric acid in no solvent or an ionic liquid gave the corresponding phosphonium chloride, which can be used as a cheap and safe chlorinating reagent. Conversion of hydroxyheterocycles to chloroheterocycles, carboxylic acids to carboxylic acid chlorides, and primary amides to nitriles were accomplished by using the phosphonium chloride in excellent to good yields.
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