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Two new diprenylated coumarins from Flindersia brayleyana
Antĵnio S N Moreira1, Leda Mathias, Raimundo Braz-Filho
1Setor de Química de Produtos Naturais-LCQUI-CCT, Universidade Estadual do Norte Fluminense, Rio de Janeiro, Brazil.
Natural Product Letters
|August 10, 2002
Abstract:
Flindersia brayleyana F. Muell. contains the diprenylated coumarins 1 and 2, in addition to the known coumarins braylin (3) and brayleyanin (4). The structures of the new natural products were elucidated by extensive NMR analysis and mass spectra.