Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Synthesis of Hydroxylated Des-triazole PSZ Analogues. Reagents and conditions: (a) ethyl 3-bromopropanoate or ethyl bromoacetate, Cs2CO3, DMF, 60 °C – 100 °C, 12 h, quant; (b) BBr3 (1M), DCM, 0 °C - R.T., 4 h, 29-35%; (c) Cs2CO3, DMSO, 90 °C, 12 h, 36%; (d) LAH, THF, 0 °C to R.T., 63%.
