Dithioles, synthesis

The sulfurization of various three-carbon units by elemental sulfur (Figure 8) is a common method of 1,2-dithiole synthesis <82AHC(31)63, 89SUL31>. Under the reaction conditions (180-250°C)... 

Although a variety of oxidizing agents are available for this transformation it occurs so readily that thiols are slowly converted to disulfides by the oxygen m the air Dithiols give cyclic disulfides by intramolecular sulfur-sulfur bond formation An example of a cyclic disulfide is the coenzyme a lipoic acid The last step m the laboratory synthesis of a lipoic acid IS an iron(III) catalyzed oxidation of the dithiol shown... 

Dithiole-3-thione, 5-amino-mass spectra, 6, 787 synthesis, 6, 804, 806... 

Pyrrolo[3,4-c][l,3]diazepine, dihydrosynthesis, 4, 287 Pyrrolo[l,3]diazepines synthesis, 7, 607 Pyrrolodiazines, 3-formyl-synthesis, 4, 511 Pyrrolo[3,2-c][l,2]dithioles occurrence, 6, 810... 

Thieno[3,4-d][l,3]dithiol-2-one, 1-nitro-synthesis, 6, 1013 Thieno[3,4-c]furan, 4,6-dichloro-synthesis, 6, 1013 Thieno[3,4-c]furan, tetraphenyl-formation, 4, 1060 synthesis, 4, 1060 UV spectra, 4, 1044 Thieno[3,2-6]furans structure, 4, 1039 synthesis, 6, 1020 Thieno[3,4-c]furans... 

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