Bulletin of the Chemical Society of Japan p. 1576 - 1579 (1993)
Update date:2022-08-16
Topics:
Fujisaki, Shizuo
Eguchi, Hisao
Omura, Atsushi
Okamoto, Atsushi
Nishida, Akiko
Primary and secondary amines, especially diisopropylamine and dibutylamine, catalyzed ortho-dibromination of phenol and ortho-monobromination of 2-substituted phenols with NBS in dichloromethane to give selectively 2,6-dibromophenol and 2-bromo-6-sybstituted phenols, respectively.The effective intermediates are inferred to be N-bromoamines.The scope and limitations of the bromination are also presented.
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