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Abstract

DOUBLE CHAPMAN REARRANGEMENT OF 2, 4- DIALKOXYPYRIMIDINES: A NEW FACILE SYHTHESIS OF 1, 3- DIALKYLPYRIMIDINEDIONES.

M. M. V. Ramana* and Sanjay C. Pawar

Abstract

2, 4-dialkoxypyrimidines underwent double Chapman rearrangement under conventional heating as well as on microwave irradiation to afford corresponding 1, 3-dialkyl-(1H, 3H)-pyrimidine-2, 4-diones.

Keywords: 2, 4-dialkoxypyrimidines, 1, 3-dialkyl-(1H, 3H)- pyrimidine-2, 4-diones, imidates, microwave irradiation, Chapman rearrangement.


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