Tags: Chemical Compound, Chemical Substance.

Lawesson’s reagent or LR is a chemical compound used in organic synthesis as a thiation agent. Lawesson’s reagent was first made popular by Sven-Olov Lawesson who did not however invent it. Lawesson’s reagent was first made in 1956 during a systematic study of the reactions of arenes with P4S10.

Lawesson's_Reagent_Structure.png
IUPAC name
24-bis(4-methoxyphenyl)-1324-dithiadiphosphetane-24-disulfide

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