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 8–10 from 14.
Reagents and conditions: (a) PhCH2Br, NaH, DMF, rt, 6 h; (b) BnG-Cl, in anhydrous pyridine, 60 °C, 48 h; (c) H2, 10% Pa-C, in THF containing approximately 16% of aqueous 95% EtOH for 27/28 and 9% of aqueous 95% EtOH for 29, 40 °C, 10 atm, 12 h.
