Asymmetric Cyclization Using Rhodium(I)with Chiral Ligand
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Graphical Abstract
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Abstract
Highly diastereoselective cyclization (> 99?) of 3R(or S)3,-disubetituted 4-pentenals into the corresponding 3,4-cis(or trans)-disubstituted cyclopentanone was achieved by using cationic RH (BINAP) ClO4 or neutral RhCl (BINAP).The asymmetric cyclization
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