Two 6-substituted 5,6-dihydropyran-2-ones from piper reticulatum
The Me2CO extract of the aerial parts of Piper reticulatum yielded two 6-substituted 5,6-dihydropyran-2-ones 1 and 2 and dihydrowisanidine. The structures of 1 and 2 were elucidated by spectroscopic methods.
Maxwell
A
Department of Chemistry, University of the West Indies, St. Augustine, Trinidad, and Department of Chemistry, University of Toronto, Toronto, Canada M5S1A1.
Dabideen
D
Reynolds
WF
McLean
S