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- Publications
- Influence
Why can CuInSe2 be readily equilibrium-doped n-type but the wider-gap CuGaSe2 cannot?
- Yujun Zhao, C. Persson, S. Lany, A. Zunger
- Chemistry
- 9 December 2004
The wider-gap members of a semiconductor series such as diamond→Si→Ge or AlN→GaN→InN often cannot be doped n-type at equilibrium. We study theoretically if this is the case in the chalcopyrite family… Expand
WOx domain size, acid properties and mechanistic aspects of glycerol hydrogenolysis over Pt/WOx/ZrO2
Abstract Supported WOx catalysts are widely investigated in glycerol hydrogenolysis for their high selectivity to 1,3-propanediol (1,3-PDO). The high performance is often related to surface Bronsted… Expand
Bio-inspired polyene cyclization: synthesis of tetracyclic terpenoids promoted by steroidal acetal-SnCl4.
- Yujun Zhao, T. Loh
- Chemistry, Medicine
- Chemical communications
- 12 March 2008
This communication describes a highly efficient intermolecular polyene cyclization method using steroidal acetals as the initiators to synthesize tetracyclic terpenoids; both good yields and good… Expand
Enantioselective cationic polyene cyclization vs enantioselective intramolecular carbonyl-ene reaction.
- Yujun Zhao, B. Li, L. Tan, Zhi-Liang Shen, Teck-Peng Loh
- Chemistry, Medicine
- Journal of the American Chemical Society
- 8 July 2010
This paper describes highly efficient catalytic enantioselective cationic polyene cyclization and catalytic enantioselective intramolecular carbonyl-ene reaction in good to high yields with high… Expand
Lewis Acid-promoted intermolecular acetal-initiated cationic polyene cyclizations.
- Yujun Zhao, S. Chng, T. Loh
- Chemistry, Medicine
- Journal of the American Chemical Society
- 24 January 2007
This paper describes a highly efficient intermolecular biomimetic polyene cyclization method using acetal as initiators. Both good yield and asymmetric induction were obtained.
Synthesis of ethanol via syngas on Cu/SiO2 catalysts with balanced Cu0-Cu+ sites.
- Jinlong Gong, H. Yue, +5 authors Xinbin Ma
- Chemistry, Medicine
- Journal of the American Chemical Society
- 31 May 2012
This paper describes an emerging synthetic route for the production of ethanol (with a yield of ~83%) via syngas using Cu/SiO(2) catalysts. The remarkable stability and efficiency of the catalysts… Expand
Bioinspired polyene cyclization promoted by intermolecular chiral acetal-SnCl4 or chiral N-acetal-TiCl4: investigation of the mechanism and identification of the key intermediates.
- Yujun Zhao, Teck-Peng Loh
- Chemistry, Medicine
- Journal of the American Chemical Society
- 8 July 2008
New strategies using chiral acetal or chiral mixed-acetal in the presence of Lewis acids (SnCl4 or TiCl4) to promote polyene cyclization reaction are described. Acetal-promoted and… Expand
Indium tribromide-promoted arene-terminated epoxy olefin cyclization.
- J. Zhao, Yujun Zhao, T. Loh
- Chemistry, Medicine
- Chemical communications
- 7 March 2008
An arene-terminated epoxy olefin cyclization was promoted by a water-tolerant Lewis acid to give tri- and tetracyclic 3beta-hydroxy terpenoids and steroid derivatives in 57 and 37% yields,… Expand
Asymmetric total synthesis of antiochic acid.
- Yujun Zhao, Teck-Peng Loh
- Chemistry, Medicine
- Organic letters
- 26 April 2008
The first asymmetric total synthesis of antiochic acid using bioinspired polyene cyclization strategy is described. Both good yield and good asymmetric induction were obtained.
Bio-inspired polyene cyclization: aziridinyl polyene cyclization catalyzed by InBr(3).
- Yujun Zhao, L. Tan, B. Li, Si-min Li, T. Loh
- Chemistry, Medicine
- Chemical communications
- 17 June 2009
This communication describes a highly efficient aziridinyl polyolefin cyclization catalyzed by InBr(3) to synthesize chiral terpenoid bearing a 3-amino group in the A ring; both good yields and… Expand