Convenient one-pot syntheses of 1,2-dithiole-3-thiones and 3-imino-1,2-dithioles from terminal alkynes

Adams, Harry; Hughes, Amelia J.; Morris, Michael J.; Quenby, Sophia I.A.

Convenient one-pot syntheses of 1,2-dithiole-3-thiones and 3-imino-1,2-dithioles from terminal alkynes

2014

Adams, Harry | Hughes, Amelia J. | Morris, Michael J. | Quenby, Sophia I.A.

The reaction of acetylide anions with carbon disulfide or phenyl isothiocyanate followed by addition of sulfur in the presence of a protonating agent such as a primary amine or alcohol affords 1,2-dithiole-3-thiones or 3-imino-1,2-dithioles in good to excellent yields.

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