Synthesis p. 560 - 562 (1987)
Update date:2022-08-11
Topics:
Takeda, Kazuyoshi
Tsuboyama, Kanoko
Takayanagi, Hiroaki
Ogura, Haruo
S,S'-Bis(1-phenyl-1H-tetrazol-5-yl) dithiocarbonate is a useful reagent for the esterification of carboxylic acids with alcohols, including lactonization.The reagent is conveniently prepared in good yield from 1-phenyl-5-thioxo-4,5-dihydro-1H-tetrazole and trichloromethyl chloroformate (trichloromethyl carbonochloridate) in ethyl acetate in the presence of triethylamine.Its structure was confirmed by (13)C-NMR spectrometry and single-crystal X-ray analysis.
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