The dechlorination of PCBs with solid hydrazine hydrochloride catalysed by palladium, in an organic solvent, yields biphenyl in short reaction times. The catalyst system can be efficiently reused for several cycles. Ultrasonication of the heterogeneous catalysed reaction increases the dechlorination
A new advanced method for heterogeneous catalysed dechlorination of 1,2,3-, 1,2,4-, and 1,3,5-trichlorobenzenes in hydrocarbon solvent
✍ Scribed by J.Gonzalo Rodrı́guez; Antonio Lafuente
- Publisher
- Elsevier Science
- Year
- 2002
- Tongue
- French
- Weight
- 85 KB
- Volume
- 43
- Category
- Article
- ISSN
- 0040-4039
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✦ Synopsis
A new advanced method for dechlorination of 1,2,3-, 1,2,4-, and 1,3,5-trichlorobenzenes in organic solvent catalysed by palladium on carbon support and solid hydrazine hydrochloride yields benzene in short reaction times. The catalyst system can be efficiently reused for several cycles. Ultrasound radiation of the heterogeneous catalyst reaction increases remarkably the rate of dechlorination.
📜 SIMILAR VOLUMES
## Abstract **Dedicated to Dr. János Császár on the occasion of his 70^th^ birthday** Ring transformation of 2‐cyanoimido‐3‐methyl‐1,3‐oxazolidine (**10**) yielded 5‐amino‐3‐[__N__‐(2‐hydrox‐yethyl)‐__N__‐methyl]amino‐1__H__‐1,2,4‐triazole (**6**) that was ring closed with different β‐keto esters
## Abstract Derivatives of the new ring system pyrrolo[3,4‐__e__][1,2,3] triazolo[1,5‐__a__]pyrimidine **6** were prepared in high yields in one step by reaction of 3‐azidopyrrole **3** and substituted acetonitriles. Compound **6b** rearranged, upon heating in dimethyl sulfoxide in the presence of