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.
Reagents and conditions: (a) TREAT, CH2Cl2, rt, 82%; (b) NaIO4–SiO2, CH2Cl2, 0 °C → rt, then NaBH4, MeOH, 0 °C, 36% for 29, 47% for 31; (c) H2 (1 atm), 10% Pd–C, MeOH, then H2 (1 atm), PtO2, MeOH, then 0.01 M aq NaOH, rt, 52%; (d) H2 (1 atm), 10% Pd–C, MeOH, then 0.01 M aq NaOH, rt, 87%.
