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Synlett

Dramatic rate enhancement by ultrasonic irradiation in liquid-liquid phase-transfer catalytic reactions

T Ooi, E Tayama, K Doda, M Takeuchi, K Maruoka

文献索引:Ooi; Tayama; Doda; Takeuchi; Maruoka Synlett, 2000 , # 10 p. 1500 - 1502

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被引用次数: 30

摘要

Abstract: Significant rate enhancement was observed in the liquidliquid phase-transfer catalytic epoxidations and alkylations under ultrasonic irradiation. Its advantage was also demonstrated in the asymmetric alkylation of tert-butyl glycinate-benzophenone Schiff base using C2-symmetric chiral phase-transfer catalyst. Key words: alkylation, asymmetric synthesis, epoxidation, phasetransfer catalysis, ultrasonic wave