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Synthesis 1996; 1996(9): 1073-1075
DOI: 10.1055/s-1996-4336
DOI: 10.1055/s-1996-4336
short paper
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Synthesis of 1-(1-Cyano-1-phenyl)alkyl-2-phenylcyclopropenes by Phase-Transfer Catalysis (PTC)
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Publication History
Publication Date:
31 December 2000 (online)
2-Substituted phenylacetonitriles 1 react with 1,1-dihalo-2-phenylcyclopropanes 2 in the presence of concentrated aqueous sodium hydroxide solution and benzyltriethylammonium chloride (TEBA) as a catalyst (phase-transfer catalysis, PTC conditions), to afford 1,2-disubstituted cyclopropenes 3, with moderate to low yields.
phase-transfer catalysis (PTC) - cyclopropenes - gem-dihalocyclopropanes - 2-phenylalkanenitriles