Isotanshinone IIA synthesis
- Product Name:Isotanshinone IIA
- CAS Number:20958-15-0
- Molecular formula:C19H18O3
- Molecular Weight:294.34
![2H-9,4a-(Epoxymethano)phenanthren-12-one, 1,3,4,9,10,10a-hexahydro-5,6-dihydroxy-7-[(1R)-2-hydroxy-1-methylethyl]-1,1-dimethyl-, (4aR,9S,10aS)-](/CAS/20210305/GIF/149697-32-5.gif)
149697-32-5
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20958-15-0
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Yield:-
Steps:
Multi-step reaction with 3 steps
1: 95.3 percent / N-bromosuccinimide; triphenylphosphine; pyridine / CH2Cl2 / 240 h / 20 °C
2: 66.4 percent / potassium nitroso disulfonate / aq. phosphate buffer; acetonitrile / 5.5 h / 20 °C / pH 7
3: 12.7 percent / pyridine / benzene / 48 h / Heating
References:
Marrero, Joaquin Gonzalez;Andres, Lucia San;Luis, Javier Gutierrez [Chemical and Pharmaceutical Bulletin,2005,vol. 53,# 12,p. 1524 - 1529]