Journal fur Praktische Chemie - Chemiker-Zeitung p. 181 - 184 (1993)
Update date:2022-08-16
Topics:
Paetzold, E.
Oehme, G.
Water soluble palladium(II) complexes of the type PdCl2(phosphine)2 with sulfonated phosphines as ligands catalyse the reductive dehalogenation of allyl or benzyl halogenides by means of formates in a biphasic water/heptane system.This reaction can be promoted by addition of polyethers of different types as phase transfer catalysts.Enhancement of reaction rate and control of selectivity are investigated in the reductive conversion of (E)-Ph-CH=CHCH2Cl leading to (E)-Ph-CH=CH-CH3 and Ph-CH2-CH=CH2.
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