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- [33] THE REACTION OF N,N-DIMETHYLDICHLOROMETHYLENIMINIUM CHLORIDE (PHOSGENIMINIUM CHLORIDE) WITH 6-N-ARYLAMINOURACILS - A NEW AND CONVENIENT ONE-POT SYNTHESIS OF 1,3-DIMETHYL-5-DIMETHYLAMINOPYRIMIDO[4,5-B]QUINOLINE-(1H,3H)-2,4-DIONES, 1,3-DIMETHYL-5-CHLOROPYRIMIDO[4,5-B]QUINOLINE-(1H,3H)-2,4-DIONES AND 3-METHYL-10-ALKYL-5-CHLOROPYRIMIDO[4,5-B]QUINOLINE-(3H,10H)-2,4-DIONES (3-METHYL-10-ALKYL-5-CHLORO-5-DEAZAFLAVINS JOURNAL OF HETEROCYCLIC CHEMISTRY, 1994, 31 (04) : 845 - 855