7299. N-Phenylmaleimide

Nomenclature

CAS number: 941-69-5
1-Phenyl-1H-pyrrole-2,5-dione.
C10H7NO2; mol wt 173.17.
C 69.36%, H 4.07%, N 8.09%, O 18.48%.

Description and references

Prepn from maleanilic acid: Cava et al., Org. Synth. 41, 93 (1961).

Chemical structure

Properties

Canary-yellow needles from cyclohexane, mp 89-89.8°.

Use

Dienophile in the Diels-Alder reaction. Usually gives cryst adducts.