(-)-pareruptorin A
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Names
[ CAS No. ]:
73069-25-7
        
[ Name ]:
 (-)-pareruptorin A
        
[Synonym ]:
                
                PraeruptorinA
                
                
            
                
                2-Butenoicacid,2-methyl-,(9S,10S)-10-(acetyloxy)
                
                
            
                
                (+)-cis-4'-acetyl-3'-angeloylkhellactone
                
                
            
                
                9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H
                
                
            
                
                2-Butenoic acid, 2-methyl-, (9R,10S)-10-(acetyloxy)-9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-yl ester, (2Z)-
                
                
            
                
                (9S,10S)-10-Acetoxy-8,8-dimethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-9-yl (2Z)-2-methylbut-2-enoate
                
                
            
                
                (+)-Praeruptorin
                
                
            
                
                (+)-cis-3'-angeloyl-4'-acetylkhellactone
                
                
            
                
                2-Butenoic acid, 2-methyl-, (9S,10S)-10-(acetyloxy)-9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-yl ester, (2Z)-
                
                
            
                
                (-)-pareruptorin A
                
                
            
                
                (9R,10S)-10-Acetoxy-8,8-dimethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-9-yl (2Z)-2-methyl-2-butenoate
                
                
            
                
                (+)-isopteryxin
                
                
            
                
                (9S,10S)-10-Acetoxy-8,8-dimethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-9-yl (2Z)-2-methyl-2-butenoate
                
                
                
                
    
Chemical & Physical Properties
[ Density]:
1.3±0.1 g/cm3
            
[ Boiling Point ]:
486.8±45.0 °C at 760 mmHg
            
[ Molecular Formula ]:
C21H22O7
            
[ Molecular Weight ]:
386.395
            
[ Flash Point ]:
211.5±28.8 °C
            
[ Exact Mass ]:
386.136566
            
[ PSA ]:
92.04000
            
[ LogP ]:
4.18
            
[ Vapour Pressure ]:
0.0±1.2 mmHg at 25°C
            
[ Index of Refraction ]:
1.574
            
Safety Information
[ Safety Phrases ]:
 24/25