Quinazolones. Part. IX* Syntheses of Some Thiazolido (3, 2-a) quinazolones

Organic Chemistry, Laboratory, L. S. College, (Bihar University), Muzaffarpur

Manuscript received 8 April 1972; revised 29 August 1973; accepted 20 September 1973

Syntheses of 4-allylthiazolido(3,2-a)quinazoline-1,5(4H)-dione (III) and 4-allyl-1-arylthiazolido (3,2-a)quinazolin-5(4H)-one (X) are described and the formation of anhydro compound from 3- allylquinazolin-4(3H)-one-2-thioacetic acid discussed.