C14H14O2P2S4
404.5 g/mol
Research ReagentDanger
Lawesson's reagent
CAS19172-47-5EC242-855-4
Category
Research Reagent
Compound Class
Other
Primary Use
Research Compound
Lawesson's reagent is a organophosphorus compound containing a four-membered dithiadiphosphetane ring with two methoxyphenyl substituents and two sulfur atoms bonded to phosphorus. It is primarily used as a thionating agent to convert carbonyl groups into thiocarbonyl groups in organic synthesis.
Thionating agent for converting carbonyls to thiocarbonyls
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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CAS 19172-47-5
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Safety Reference
Danger
H261In contact with water releases flammable gas
H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled
Identifiers
IUPAC Name
2,4-bis(4-methoxyphenyl)-2,4-bis(sulfanylidene)-1,3,2lambda5,4lambda5-dithiadiphosphetane
InChIKey
CFHGBZLNZZVTAY-UHFFFAOYSA-N
SMILES
COC1=CC=C(C=C1)P2(=S)SP(=S)(S2)C3=CC=C(C=C3)OC
Synonyms (32)
- Lawesson reagent
- Lawesson's reagent