Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Original Articles: 2010 Vol: 2 Issue: 4

Studies on the action of sodium-ethylenediamine on ?±-diketo compounds

Abstract

Reactions of sodium / ethylenediamine (Na / EDA) have been carried out on α-diketones e.g. benzil (1), 4, 4 ⁄-dibromo benzil (2) and on diketo triterpenoids e.g. 2, 3 diketo lupene (3) and 2, 3 diketo methyl dihydro betulonate (4). The resulting 1, 4 pyrazine derivatives have been characterized by UV, IR, NMR (1H and 13C), optical rotation, mass spectra and by comparison with authentic samples.