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thiourea
Sign in to saveThiourea () is an organosulfur compound with the formula and the structure . It is structurally similar to urea (), with the oxygen atom replaced by sulfur atom (as implied by the thio- prefix). The properties of urea and thiourea differ significantly. Thiourea is a reagent in organic synthesis. Thioureas are a broad class of compounds with the formula
Article
18 sectionsContents
- Structure and bonding
- Production
- Applications
- Thiox precursor
- Pharmaceuticals
- Other uses
- Reactions
- Oxidation
- Reductant
- Precursor to thiols
- Precursor to metal sulfides
- Precursor to heterocycles
- With metals
- Safety
- See also
- References
- Further reading
- External links
Thiourea () is an organosulfur compound with the formula and the structure . It is structurally similar to urea (), with the oxygen atom replaced by sulfur atom (as implied by the thio- prefix). The properties of urea and thiourea differ significantly. Thiourea is a reagent in organic synthesis. Thioureas are a broad class of compounds with the formula
==Structure and bonding== Thiourea is a planar molecule. The C=S bond distance is 1.71 Å. The C-N distances average 1.33 Å. The weakening of the C-S bond by C-N pi-bonding is indicated by the short C=S bond in thiobenzophenone, which is 1.63 Å.