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Synfacts 2015; 11(1): 0104
DOI: 10.1055/s-0034-1379718
Polymer-Supported Synthesis
© Georg Thieme Verlag Stuttgart · New York

Hydroamination of Alkynes Using Amphiphiles-Based Au@SiO2

Contributor(s):
Yasuhiro Uozumi
,
Yoichi M. A. Yamada
,
Heeyoel Baek
Solovyeva VA, Vu KB, Merican Z, Sougrat R, Rodionov VO * King Abdullah University of Science and Technology, Thuwal, Kingdom of Saudi Arabia
One-Pot Synthesis of Au@SiO2 Catalysts: A Click Chemistry Approach.

ACS Comb. Sci. 2014;
16: 513-517
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Further Information

Publication History

Publication Date:
15 December 2014 (online)

 
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Key words

triazoles - hydroamination - gold nanoparticles - heterogeneous catalysis

Significance

The porous Au@SiO2 catalyst was prepared from a gold precursor and a TEOS solution in the presence of cinchonidine-based triazole amphiphiles. The hydroamination of alkynes was carried out with Au@SiO2 to give the corresponding imine products 1a–n in up to 99% conversion.


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Comment

The turnover number of Au@SiO2 was 1604 for the formation of 1b. The catalyst was characterized by cryo-TEM, XPS, UV/Vis, zeta potential, and ICP-OES analyses.


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