SCHEDULED MAINTENANCE
The anion of 2H-thiopyran (2) reacts with t-butyl bromide and cyclohexyl bromide in liquid ammonia to give 2-t-bytyl-2H-thiopyran and a mixture of 2-cyclohexyl-2H-thiopyran and 4-cyclohexyl-4H-thiopyran in 53 and 82% yield, respectively.
R. Gräfing, H. D. Verkruijsse and L. Brandsma, J. Chem. Soc., Chem. Commun., 1978, 596 DOI: 10.1039/C39780000596
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