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.
Completion of the synthesis. Reagents and conditions: a) CrCl2, NiCl2·DMP, 25, Proton Sponge, Mn, Cp2ZrCl2, LiCl, CH3CN, 84%, d. r. =8:1; b) K2CO3, MeOH, 91%; c) TsCl, Et3N, Bu2SnO, CH2Cl2, 92%; d) NaBH4, HMPA, 50 °C, 76 %; e) Me3P=C(H)CN, C6H6, 80 °C, 40%; f) Bu4NF, THF, 77 %. DMP = 2,9-dimethylphenanthroline, HMPA =hexamethylphosphoramide.
