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2156683 
Journal Article 
Pd/C-catalyzed room-temperature hydrodehalogenation of aryl halides with hydrazine hydrochloride 
Cellier, PP; Spindler, JF; Taillefer, M; Cristau, HJ 
2003 
1 
Tetrahedron Letters
ISSN: 0040-4039
EISSN: 1873-3581 
44 
38 
7191-7195 
WOS:000185261700020 
Treatment of aryl and heteroaryl halides with catalytic amounts of Pd/C in the presence of hydrazine hydrochloride in basic medium (sodium hydroxide or sodium t-butylate) at room temperature leads to the corresponding hydrodehalogenation products with high selectivity. Aryl iodides, bromides, chlorides and fluorides can be reduced using this reagent combination. The reduction is compatible with various electron-donating or electron-withdrawing groups. (C) 2003 Published by Elsevier Ltd. 
liquid-phase dehalogenation; palladium catalyst; heterogeneous catalysis; aryl halides; hydrazine 
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