Praeruptorin B

81740-07-0

[8,8-dimethyl-9-[(E)-2-methylbut-2-enoyl]oxy-2-oxo-9,10-dihydropyrano[2,3-f]chromen-10-yl] (E)-2-methylbut-2-enoate

Natural Products

0.9994

A solid

≥42.6 mg/mL in DMSO; insoluble in H2O; insoluble in EtOH

O=C(/C(C)=C/C)O[C@@H]1C(C)(C)OC2=CC=C(C=C3)C(OC3=O)=C2[C@@H]1OC(/C(C)=C/C)=O

C24H26O7

426.17

Blue ice

Store at -20°C.