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  _____      ___     _____     _    _             
 / ____||   / _ \\  |  __ \\  | || | ||     ___   
/ //---`'  | / \ || | |  \ || | || | ||    /   || 
\ \\___    | \_/ || | |__/ || | \\_/ ||   | [] || 
 \_____||   \___//  |_____//   \____//     \__ || 
  `----`    `---`    -----`     `---`       -|_|| 
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Text this: N-heterocyclic carbene catalyzed homoenolate-addition reaction of enals and nitroalkenes : asymmetric synthesis of 5-carbon-synthon δ-nitroesters