Tetrahedron

Microwave mediated facile one-pot synthesis of polyarylpyrroles from but-2-ene-and but-2-yne-1, 4-diones

HSP Rao, S Jothilingam, HW Scheeren

Index: Rao, H. Surya Prakash; Jothilingam; Scheeren, Hans W. Tetrahedron, 2004 , vol. 60, # 7 p. 1625 - 1630

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Citation Number: 73

Abstract

Several pyrrole derivates with multiple aryl substituents were prepared conveniently in a one pot-reaction from but-2-ene-1, 4-diones and but-2-yne-1, 4-diones via hydrogenation of the carbon–carbon double bond/triple bond followed by amination–cyclization. The reaction could be performed with ammonium formate or alkyl/arylammonium formates under Pd/C in polyethylene glycol-200 (PEG-200) under microwave irradiation. Using this procedure, ...

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