ChemInform Abstract: ELECTRON‐DEFICIENT HETEROAROMATIC AMMONIOAMIDATES. XVIII. THE SYNTHESIS AND PHOTOCHEMISTRY OF SOME N‐ISOQUINOLINIO(THIOAMIDATES)

Abstract

Thioacylierung des Isochinolinioamids (I) mit den Reagenzien (II) liefert die Derivate (III); das Analoge (V) wird älmlich gewonnen.

Electron deficient heteroaromatic ammonioamidates. Part 25. N-(Quinazolin-3-io)amidates. Part 12. The synthesis of n-(6,7-dimethoxy-2-methylquinazolin-3-io)ethoxythioformamidate and of 2-(3,4-dimethoxyphenyl)-8,9-dimethoxy-5-methyl-10bH-[1,3,4]-thiadiazolo [3,2-c] quinazoline, the ring isomer of N-(6,7-dimethoxy-2-methylquinazolin-3-io)-3,4-dimethoxy(thiobenzamidate)

“…[Found: C, 55. The mixture was allowed to cool and the salt was filtered off, (loo), 189 (28), 163 (89), 161 (16), 148 (32), 136 (12), 134 (7.0), in refluxing ethanol in the absence of hydrogen chloride, crude (9b) (84%), m.p. 195-196 "C, was obtained.…”

“…int.) 417 (33, M+'), 374 (43), 358 (12), 254 (7.3) ) and 70% aqueous HClO, (1 cm3) was added with ice-cooling and continuous stirring to the solution of compound (llb) (1.0 g, 2.4 mmol) in CHzC12 (20 cm7. After being left overnight the solvent was distilled off.…”