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Highly Enantio- and Diastereoselective Synthesis of beta-Methyl-gamma-monofluoromethyl-Substituted Alcohols

  作者 YANG WENGUO; WEI XINLE; PAN YUANHANG; LEE RICHMOND; ZHU BO; LIU HONGJUN; YAN LIN; HUANG KUOWEI; JIANG ZHIYONG; TAN CHOONHONG  
  选自 期刊  Chemistry-A European Journal;  卷期  2011年17-29;  页码  8066-8070  
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[摘要]Enanatiopure beta-methyl-gamma-monofluoromethyl alcohols were prepared from the allylic alkylation between fluorobis(phenylsulfonyl) methane with Morita-Baylis-Hillman carbonates. The reaction was catalyzed by using the Cinchona alkaloid derivative, (DHQD)(2)AQN. The origin of the stereoselectivity was verified by DFT methods. Calculated geometries and relative energies of various transition states strongly support the observed stereoselectivity.

 
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