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Tuesday, 15 July 2014
Libo Ruan, Min Shi, Nian Li, Xu Ding, Fan Yang, and Jie Tang
Publication Date (Web): January 29, 2014 (Letter)
An efficient and practical method for the synthesis of unsymmetric benzils from readily available β-ketoaldehydes has been developed. Various unsymmetric 1,2-diaryldiketones bearing functional groups have been obtained in good to excellent yields under mild reaction conditions. A plausible mechanism was proposed, and α,α-dichloroketone was considered as the key intermediate. The generation of α,α-dichloroketones from β-ketoaldehydes may undergo the following steps: (1) oxidation by sodium hypochlorite, (2) decarboxylation, and (3) chlorination by Cl2 generated from sodium hypochlorite.
Monday, 14 July 2014
The Handy Chemistry Answer Book
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Thursday, 10 July 2014
The stability of the predicted boron cage stems from its unique structural geometry
Since C60 fullerene’s discovery in 1985 and the subsequent Nobel prize awarded to Robert Curl, Harry Kroto and Richard Smalley in 1996, researchers have been challenging themselves to make similar structures with other elements in the hope of finding exciting alternative nano building blocks.