Table 5-2 Continued 



Compound 



Heterocyclics (continued) 



Formula 



Remarks 



253 



'M 



2,3-dihydro-3,5-dihydroxy-6-methyl- 



4H-pyran-4-one 

 2-methoxy-6-methyl-4H-pyran-4-one 

 2H- l-benzopyran-2-one 

 3-acetyl-6-methyl-2H-pyran- 



2,4(3H)dione 

 Thiazolidine 

 2-methylisothiazole 

 5-methyl-2(5H)thiophenone 

 2-methoxy-5-methylthiophene 



C5H3O, 



144 



QH803 



B 



140 



C,H,0, 





146 



^8^304 



A 



168 



CjH.NS 





89 



C4H5NS 



A 



99 



CsH^OS 





114 



CeHgOS 





128 



Ketones 



2-butanone 



2-pentanone 



3-pentanone 



2-hexanone 



6-methyl-3,5-heptadien-2-one 



6-methyl-5-hepten-2-one 



2-nonen-4-one 



2-decanone 



2-methoxy-2-octen-4-one 



6,10-dimethyl-5,9-undecadien-2-one 



3-hydroxy-androstan- 11, 17-dione 



C^HgO 



G 



72 



C5H10O 





86 



C^H.oO 



G 



86 



QH13O 



C 



100 



CsH.p 



C 



124 



CsH.^O 





126 



QHi.O 



B 



140 



CioH2oO 





156 



^9^,502 





162 



CijH^^O 



A 



194 



C19H28O3 





304 



Sulfides 



Carbon disulfide 

 Dimethyl disulfide 



CS2 

 C2H6S2 



76 

 94 



