np980300i_si_001.pdf (37.94 kB)
Alvaradoins A−D. Anthracenone C Arabinosides from Alvaradoa jamaicensis
journal contribution
posted on 1998-12-01, 00:00 authored by Wayne W. Harding, Geneive E. Henry, Patrick A. Lewis, Helen Jacobs, Stewart McLean, William F. ReynoldsThe aerial parts of Alvaradoa jamaicensis have yielded four new compounds. These are both C-10 epimers
of 10-C-[4‘-O-acetyl-3‘-O-(3-methylbut-2-enoyl)]-β-d-arabinopyranosyl-1,8-dihydroxy-6-methoxy-3-methyl-anthracen-9(10H)-one (3 and 4) and of 10-C-[4‘-O-acetyl-3‘-O-(3-methylbut-2-enoyl)]-β-d-arabinopyranosyl-1,8,10-trihydroxy-6-methoxy-3-methyl-anthracen-9-one (5 and 6). The anthraquinones chrysophanol (1)
and physcion (2) were also isolated.