HCID 102004804, compound → HCID 70639872, compound

Participants

Reaction Steps

Isogambogic acid (1) obtained was a bright yellow amorphous powder. [α]D20=−660° (c=0.321, CHCl3). ESIMS: m/z=629 ([M+H]+); (+)FABMS: m/z=629 ([M+H]+); HRESIMS: m/z=obsd. 629.3133 [M+H]+, calcd. 629.3114. Epiisogambogic acid (2) was also a bright yellow amorphous powder. [α]D20=−587° (c=0.261, CHCl3). ESIMS: m/z=629 ([M+H]+); (+)FABMS: m/z=629 ([M+H]+); HRESIMS: m/z=obsd. 629.3101 [M+H]+, calcd. 629.3114. More analytic data are shown in the following table 5:

Provenance & Evidence