Tetrahedron p. 2843 - 2850 (1991)
Update date:2022-08-28
Topics:
Makosza
Lasek
The phase-transfer catalyzed β-elimination of HBr from alkyl bromides with aqueous NaOH in two-phase systems proceeds efficiently when tetraalkylammonium salts and weak HO- or HN-acids are used as the catalysts. The latter continuously produce basic, moderately nucleophilic, lipophilic anions, which in the form of tetraalkylammonium salts afford the elimination in the organic phase.
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