1,1-BIS(PHENYLSULFONYL)ETHYLENE

1,1-BIS(PHENYLSULFONYL)ETHYLENE 화학적 특성, 용도, 생산

• 용도

  1,1-Bis(phenylsulfonyl)ethylene was used in the preparation of α,α-disubstituted alpha-amino acid derivatives.

• 주요 응용

  1,1-Bis(phenylsulfonyl)ethylene (1,1-BPSE) is a powerful Michael acceptor and dienophile; reagent for two-carbon homologation of ketones; synthetic equivalent of ethylene in Diels-Alder reactions and of ethylene 1,2-dipole in cycloadditions^[1].

• 제조 방법

  1,1-Bis(phenylsulfonyl)ethylene can be prepared via careful oxidation of the corresponding ketene dithioacetal or via Mannich condensation of bis(phenylsulfonyl)methane with paraformaldehyde and a secondary amine followed by elimination with acids^[2].

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