Monatshefte für Chemie-Chemical Monthly

Synthesis of fused uracils: pyrano [2, 3-d] pyrimidines and 1, 4-bis (pyrano [2, 3-d] pyrimidinyl) benzenes by domino Knoevenagel/Diels-Alder reactions

A Pałasz

Index: Palasz, Aleksandra Monatshefte fur Chemie, 2012 , vol. 143, # 8 p. 1175 - 1185

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Citation Number: 9

Abstract

Abstract Knoevenagel condensation of barbituric acids with aromatic aldehydes containing one or two formyl groups was carried out. 5-Arylidenebarbituric acids underwent smooth hetero-Diels-Alder (HDA) reactions with enol ethers to afford cis and trans diastereoisomers