5'-(furan-3-yl)-8-methylidenespiro[1,5,6,6a,9,10-hexahydrobenzo[d][2]benzofuran-7,3'-oxolane]-2',3-dione
Names
[ CAS No. ]:
69749-03-7
        
[ Name ]:
 5'-(furan-3-yl)-8-methylidenespiro[1,5,6,6a,9,10-hexahydrobenzo[d][2]benzofuran-7,3'-oxolane]-2',3-dione
        
[Synonym ]:
                
                5-(furan-3-yl)-8'-methylidene-4,5,6',6a',9',10'-hexahydro-8'H-spiro[furan-3,7'-naphtho[1,8a-c]furan]-2,3'(5'H)-dione
                
                
            
                
                5(S),9(S),10(S)-15,16-Epoxycleroda-3,8,13(16),14-tetraene-19,18:20,12(S)-diolactone (swassin)
                
                
            
                
                Spiro(furan-3(2H),7'(8'H)-(1H)naphtho(1,8a-c)furan)-2,3'(5'H)-dione,5-(3-furanyl)-4,5,6',6'a,9',10'-hexahydro-8'-methylene-,(2S,5S,6'aS,10'aS)
                
                
                
                
    
Chemical & Physical Properties
[ Density]:
1.33g/cm3
            
[ Boiling Point ]:
610.9ºC at 760 mmHg
            
[ Molecular Formula ]:
C20H20O5
            
[ Molecular Weight ]:
340.37000
            
[ Flash Point ]:
323.3ºC
            
[ Exact Mass ]:
340.13100
            
[ PSA ]:
65.74000
            
[ LogP ]:
3.48360
            
[ Index of Refraction ]:
1.605