Related Compounds
Thiosulfoxides are orthogonally isomeric with disulfides, having the second sulfur branching from the first and not partaking in a continuous chain. i.e. -S(=S)- rather than -S-S-.
Disulfide bonds are analogous but more common than related peroxides and diselenide bonds. Intermediate compounds of these also exist, for example, thioperoxides, also known as oxadisulfide bonds, have formula R1OSR2 (equivalently R2SOR1). These are isomeric to sulfoxides in a similar manner to the above; i.e. -S(=O)- rather than -S-O-.
Thiuram disulfides, with the formula (R2NC(S)S)2, are disulfides but they behave distinctly because of the thiocarbonyl group.
Compounds with three sulfur atoms, e.g., CH3S-S-SCH3, are called trisulfides, or trisulfide bonds.
Read more about this topic: Disulfide Bond
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