4, 4-Dibromo-3-methylpyrazol-5-one: New applications for selective monobromination of phenols and oxidation of sulfides to sulfoxides

…, CD Mudaliar, H Hariharasubrahmanian

文献索引：Mashraqui, Sabir H.; Mudaliar, Chandrashekar D.; Hariharasubrahmanian, Harini Tetrahedron Letters, 1997 , vol. 38, # 27 p. 4865 - 4868

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被引用次数: 14

摘要

Dibromopyrazolone 1, a stable, crystalline solid effects para selective monobromination of phenols and aniline substrates under mild conditions. Selective oxidation of sulfides to sulfoxides can also be accomplished by using 1 in high yields.