175653-77-7Relevant articles and documents
On the synthesis of new 2-alkyl/arylamino-4H-pyrimidino[4,5-e][1,3,4]thiadiazine-6,8-(5H,7H) diones and 2-alkyl/arylimino-3-anilino-2,3-dihydropyrimidino-[4,5-d]thiazole-5,7-(4H,6H)- diones
Chande, Madhukar S.,Joshi, Rajesh D.
, p. 251 - 255 (2007/10/03)
The title compounds (3, 9) have been prepared by the interaction of 5-bromobarbituric acid with thiosemicarbazides. An alternate unambiguous synthesis of pyrimidino[4,5-d]thiazoline has been reported. The compounds have been characterised by elemental analyses and 1H and 13CNMR spectral data.