tert-Butyl mercaptan → Ethyl 4-(tert-butylthio)-3-oxobutanoate

참여 물질

반응 단계

Ethyl 4-chloroacetoacetate (7.5 mL, 51.9 mmol), 2-methyl-2-propanethiol (5.6 mL, 49.7 mmol), triethylamine (10.8 mL, 77.4 mmol), and catalytic tetrabutylammonium bromide were dissolved in THF (250 mL) and stirred at room temperature overnight. Silica gel was added, and the mixture was concentrated and filtered over a plug of silica gel to obtain the desired product (B-1), which was used without further purification.

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