9203. N,N,N′,N′-Tetraethylphthalamide

Nomenclature

CAS number: 83-81-8
N,N,N′,N′-Tetraethyl-1,2-benzenedicarboxamide; orthophthalic acid didiethylamide; o-phthalic acid bis[diethylamide]; tetraethylbis(phthalamide); Analetil; Neo-Cardiamine; Neospiran; Unispiran.
C16H24N2O2; mol wt 276.37.
C 69.53%, H 8.75%, N 10.14%, O 11.58%.

Description and references

Prepd by treating phthalyl chloride with diethylamine: FR 785428; GB 443396; US 2057145 (1936 to Chem. Fabrik Grünau); by heating sodium phthalate with diethylamine phosphate: FR 866229 (1941 to Corbière).

Chemical structure

Properties

Crystals, mp 39°. bp 175-180°. Soluble in water, physiol saline.

Therapeutic Category

Analeptic.