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1997 pyrazine derivatives pyrazine derivatives R 0550 41 - 196 A New Approach to Pyrrolo(1,2-a)quinoxaline Derivatives. — The base-mediated reaction of the quaternary benzimidazole derivatives (I), (IV), and (VI) with fluoroalkanoates (II) provides a new and efficient synthesis of the title system. — (ZHANG, X.; HUANG, W.; Tetrahedron Lett. 38 (1997) 27, 4827-4830; Shanghai Inst. Org. Chem., Acad. Sin., Shanghai 200032, Peop. Rep. China; EN) 1

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Page 1: ChemInform Abstract: A New Approach to Pyrrolo(1,2-a)quinoxaline Derivatives

1997 pyrazine derivatives

pyrazine derivativesR 0550

41 - 196A New Approach to Pyrrolo(1,2-a)quinoxaline Derivatives. — Thebase-mediated reaction of the quaternary benzimidazole derivatives (I), (IV),and (VI) with fluoroalkanoates (II) provides a new and efficient synthesis of thetitle system. — (ZHANG, X.; HUANG, W.; Tetrahedron Lett. 38 (1997) 27,4827-4830; Shanghai Inst. Org. Chem., Acad. Sin., Shanghai 200032, Peop.Rep. China; EN)

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