4779. Hydrocarbostyril

Nomenclature

CAS number: 553-03-7
3,4-Dihydro-2(1H)-quinolinone; 3,4-dihydrocarbostyril; 3,4-dihydro-2-quinolinol; o-aminohydrocinnamic acid lactam; 2-oxo-1,2,3,4-tetrahydroquinoline; dihydro-α-quinolone.
C9H9NO; mol wt 147.17.
C 73.45%, H 6.16%, N 9.52%, O 10.87%.

Description and references

Prepd by the catalytic reduction of o-nitrocinnamic acid: Blout, Silverman, J. Am. Chem. Soc. 66, 1442 (1944).

Chemical structure

Properties

Prisms from methanol + water, mp 165-166.5°. Freely sol in alcohol, ether, dimethylformamide. Practically insol in water. Sol in hot aq NaOH solns.