Thioketones hydrocarbons

Ligustrum also contains a unique volatile oil consisting primarily of esters and alcohols, with lesser amounts of thioketones, hydrocarbons, and traces of amines and aldehydes, but no terpene hydrocarbons. Major components of the volatile oil include ethyl acetate (18.95%), thioketone (8.56%), a-butyl-benze-nemethanol (5.6%), 4-acetyloxy-2-butanone (5.46%), 1-phenyl-1,2-butanediol (4.12%), 1,2-diphenyl-l,2-ethanediol (3.92%), hydra-zine-methyl-oxalate (3.52%), a,a,4-tri-methyl-3-cyclohexene-methanol (3.24%), 1-methyl-l-propyl-hydrazine (2.60%), and (Z)-1 -(1 -ethoxy-ethoxy)-3-hexene (1.89%). ... 

Under aprotic conditions, aromatic thioketones are reduced by sodium telluride to the corresponding hydrocarbons. ... 

The use of sodium telluride under aprotic conditions allows the transformation of aromatic thioketones into hydrocarbons in good yields434, as shown in equation 120. Interestingly, when this reaction is carried out with sodium telluride in aqueous media the original ketones are generated. 

The best-known exception to Kasha s rule is the anomalous fluorescence displayed by azulene and its derivatives (nonaltemant hydrocarbons) and some aliphatic and aromatic thioketones. 

Thioketones (6) are slowly oxidised in air to the corresponding ketones, and they are reduced by the majority of common reducing agents to the thiols (29). Sodium borohydride often gives the optimum yield of the thiol. On the other hand, reduction with zinc-hydrochloric acid affords the hydrocarbon (30) the latter reaction is analogous to the Clemmensen reduction of ketones (Scheme 17). 

Desulfurization. Thioketones and thioamides are converted by this reagent in refluxing DME into hydrocarbons and amines, respectively. ... 

Desulfurization. Iron carbonyl in the presence of potassium hydroxide forms potassium hydridotetracarbonyl ferrate, K HFe(CO)4 (1). This hydride converts thioketones and thioamides to hydrocarbons and amines, respectively, in 50-807o yields. 

Treatment of thioketones and thionamides with HFe(CO)4 gives hydrocarbons and amines, respectively (Alper, 1975c). Tetraarylethylenes were... 

---