ABSTRACT

Z-1Zeyherin 3-[2,3-Dihydro-2,4,6-trihydroxy-2-[(4hydroxyphenyl)methyl]-3-oxo-7-benzofuranyl]-5,7-dihydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one, 9CI. 4?,5, 7-Trihydroxyflavanone-(307)-2,4,4?, 6-tetrahydroxybenzylcoumaranone. Naringenin(307)maesopsin [34029-16-8]

C30H22O11 558.497

Rare flavanone-aurone dimer. Constit. of Berchemia zeyheri and Phyllogeiton zeyheri. Isol. as a mixt. of C-2? epimers. Hepta-Me ether: Mp 200.5-201.58. [a]26D

3.4 (c, 0.9 in CHCl3).