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ChemicalBook--->CAS DataBase List--->92395-41-0

92395-41-0

92395-41-0 Structure

92395-41-0 Structure
IdentificationBack Directory
[Name]

(7S,9S)-9-Acetyl-9-amino-7,8,9,10-tetrahydro-6,7,11-trihydroxy-5,12-naphthacenedione
[CAS]

92395-41-0
[Synonyms]

Amrubicin intermediate
Amrubicinhydrochloride int5
9α-amino-9β-acetyl-7,8,9,10-tetrahydro-6,7α,11-trihydroxy-5,12-naphthacenedione
(7S,9S)-9-Acetyl-9-amino-7,8,9,10-tetrahydro-6,7,11-trihydroxy-5,12-naphthacenedione
5,12-Naphthacenedione, 9-acetyl-9-amino-7,8,9,10-tetrahydro-6,7,11-trihydroxy-, (7S,9S)-
[Molecular Formula]

C20H17NO6
[MOL File]

92395-41-0.mol
[Molecular Weight]

367.35
Chemical PropertiesBack Directory
[Melting point ]

158-159℃
[Boiling point ]

604.6±55.0 °C(Predicted)
[density ]

1.550±0.06 g/cm3(Predicted)
[pka]

7.92±0.60(Predicted)
Hazard InformationBack Directory
[Uses]

(7S,9S)-9-Acetyl-9-amino-7,8,9,10-tetrahydro-6,7,11-trihydroxy-5,12-naphthacenedione can be used as organic synthesis intermediates and pharmaceutical intermediates, mainly Used in laboratory research and development process and chemical production process.
[Synthesis]

Synthesis_92395-41-0
A mixture of R-9-acetamido-9- [1,1- (2,2-dimethylpropanedioxy) ethyl] -4,5-dihydro-6,13-dihydroxy -4,14- Methyl-14H-anthraceno [3,2-f] - [1,3] oxazolene-7,12-dione (Compound 4, R = CH3), 1200 g of 3N sulfuric acid aqueous solution and incubated at 60-70 ?? C for 8 hours. The pH of the solution was adjusted to 7-8 with aqueous sodium hydrogencarbonate solution, The combined chloroform layers were washed with water, dried, filtered and concentrated. The residue was stirred with isopropyl ether to give (+) - 9-amino-4-demethoxy-9-deoxo daunomycinone.
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