Octet / Functional Groups
Disulfide
Disulfide (R-S-S-R') - sulfur. Two sulfurs bonded. Important in protein structure (cysteine bridges). Reducible to thiols.
Sulfur
Functional Group details
Name
Disulfide
Category
Sulfur
Smiles
CSSC
General Formula
R-S-S-R'
Description
Two sulfurs bonded. Important in protein structure (cysteine bridges). Reducible to thiols.
Properties
- Polarity
slightly polar
- H Bond Donor
No
- H Bond Acceptor
No
- Boiling Point Trend
Higher than sulfides
Spectroscopy
- Ir Peaks
500-550 cm⁻¹ (S-S stretch, weak)
- H Nmr Shifts
2.5-3.0 ppm (α-H)
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