Molecular Formula | C18H20O2 |
Molar Mass | 268.35 |
Density | 1.140±0.06 g/cm3(Predicted) |
Melting Point | 180-182 °C |
Boling Point | 461.2±45.0 °C(Predicted) |
pKa | 7.94±0.40(Predicted) |
Use | carnosol ketone is a ketone derivative, which can be used as a pharmaceutical raw material. |
preparation | the preparation of Salvia miltiorrhiza Bunge, the extracts were combined, and ethanol was recovered to have no alcoholic taste to obtain an extract. The extract was mixed with an appropriate amount of water, and extracted with ethyl acetate to obtain 87g of extract. The extract was separated and recrystallized by repeated silica gel column chromatography to obtain compounds I-IV. Compound III is carnosol ketone, |