
Chemical and Pharmaceutical Bulletin p. 1140 - 1145 (1997)
Update date:2022-07-30
Topics:
Ohta, Shunsaku
Kawasaki, Ikuo
Uemura, Takahiro
Yamashita, Masayuki
Yoshioka, Tomomichi
Yamaguchi, Satoshi
Trimethylsilylation of 1,2,3-triazole regioselectively proceeded to give 2-trimethylsilyl-2H-1,2,3-triazole, which was treated with primary alkyl halides in the presence of tetrabutylammonium fluoride to give 1-alkyl-1H- 1,2,3-triazoles as a Sole product 1-Methyl-5-substituted 1H-1,2,3-triazoles were prepared by alkylation of 5-lithio-1-methyl-1H-1,2,3-triazole, and 1- methyl-4-substituted 1H-1,2,3-triazoles were obtained by alkylation of 4- lithio-1-methyl-5-phenylthio-1H-1,2,3-triazole followed by reductive desulfurization.
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