Asymmetric catalytic synthesis of .beta.-branched amino acids via highly enantioselective hydrogenation of .alpha.-enamides.
摘要：
We have found that cationic Rh catalysts based on our 1,2-bis(trans-2,5 dimethylphospholano)benzene (Me-DuPHOS) and 1,2-bis(trans-2,5-dimethylphospholano)ethane (Me-BPE) ligands effect the hydrogenation of N-acetyl α-arylenamides (1, R = H) to yield a wide variety of valuable α-1-arylethylamine derivatives with high enantioselectivites (≥ 90% ee). Moreover, an important and unique feature of...
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DOI：
10.1021/ja00141a039
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年份：
1995
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