location: Current position: Home >> Scientific Research >> Paper Publications

Cobalt-Catalyzed Hydroalkylation of [60]Fullerene with Active Alkyl Bromides: Selective Synthesis of Monoalkylated Fullerenes

Hits:

Indexed by:期刊论文

Date of Publication:2011-08-17

Journal:JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Included Journals:Scopus、SCIE、EI

Volume:133

Issue:32

Page Number:12842-12848

ISSN No.:0002-7863

Abstract:The Co-catalyzed hydroalkylation of C-60 with reactive alkyl bromides 1 (RBr) in the presence of Mn reductant and H2O at ambient temperature gave the monoalkylated C60 (2) in good to high yields. The use of CoLn/Mn/H2O under Ar atmosphere is crucial for the success of the present transformation. The reaction most probably proceeds through the Co (0 or I) complex-promoted generation of a radical (R-center dot) followed by addition to C-60. This hydroalkylation method was applied to the synthesis of zinc porphyrin attached C-60 (2l), dendrimer attached C-60 (2m), and fullerene dimer (2n), which were not easily available through the previously known methods.

Pre One:Propargylamine Synthesis by Copper-Catalyzed Oxidative Coupling of Alkynes and Tertiary Amine N-Oxides

Next One:Palladium-catalyzed asymmetric hydrogenation of simple ketones activated by Bronsted acids