Enantioselective introduction of a benzenesulfonylmethyl substituent at an unactivated carbon atom via chemoenzymatic methods
Introduction of a benzenesulfonylmethyl group at the unactivated γ-carbon of carboxylic acid derivatives has been achieved through a combination of rhodium acetate catalysed carbenoid C-H insertion and baker's yeast mediated kinetic resolution. Access to
Maguire, Anita R.,Kelleher, Leonard L.
p. 7459 - 7462
(2007/10/03)
SYNTHESIS OF α-PHENYLSULFONYL CYCLOPENTANONES BY INTRAMOLECULAR CARBENOID CYCLIZATION OF α-DIAZO-β-KETO PHENYLSULFONES
Acyclic α-diazo-β-keto phenylsulfones undergo smooth intramolecular carbenoid cyclizations under rhodium (II) catalysis to afford α-phenyl sulfonyl cyclopentanones.
Monteiro, Hugo J.
p. 3459 - 3462
(2007/10/02)
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