Citation: Sandip N. Gavade, Ravi S. Balaskar, Madhav S. Mane, Pramod N. Pabrekar, Murlidhar S. Shingare, Dhananjay V. Mane. Microwave assisted, ligand free, copper catalyzed reaction of aryl halides with phenyl urea[J]. Chinese Chemical Letters, ;2011, 22(3): 292-295. doi: 10.1016/j.cclet.2010.09.037 shu

Microwave assisted, ligand free, copper catalyzed reaction of aryl halides with phenyl urea

a Organic Research Laboratory, S.C.S. College, Omerga 413 606 (MS), India;
b Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad 431 004 (MS), India;
c V.G. Vaze College, Mulund(E), Mumbai 400081 (MS), India

Received Date: 17 June 2010

Fund Project: Authors are thankful to Head of Department of Chemistry V.G. Vaze College, Mulund (E), Mumbai-81(MS), India for providing the necessary laboratory facilities.

The ligand free coupling reaction of phenyl urea with different functionalized aryl halides in the presence of air stable Cu₂O and t-BuOK as a base gives symmetrical and unsymmetrical diarylureas in relatively high yields. This method is milder than the palladium catalyzed arylation and avoids the use of toxic phosphine ligand.
- Microwave assisted,
- Ligand free,
- Copper catalyze,
- Phenyl urea,
- Aryl halides
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