2-((Trimethylsilyl)methyl)-2H-tetrazoles were treated with aldehydes and ketones in the presence of 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) to give 2-(2-hydroxyethyl)-2H-tetrazoles. This simple procedure offers a valuable strategy for the preparation of 2-(hydroxyethyl)-2H-tetrazoles.
CASEY, M.;MOODY, CH. J.;REES, CH. W., J. CHEM. SOC. PERKIN TRANS., 1984, N 8, 1933-1941