cheminform abstract: efficient and regioselective access to bis-heterocycles via palladium-catalyzed...

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1999 pyridine derivatives pyridine derivatives R 0380 34 - 169 Efficient and Regioselective Access to Bis-heterocycles via Palladium- Catalyzed Coupling of Organostannanes and Organozincates Derived from C-6 Lithiated 2-Methoxypyridine. The synthesis of bishetaryls (III) is regioselectively achieved by Pd-catalyzed Stille coupling of hetaryl bromides (I) with preformed tributyltinpyridine (II) or via regioselective in situ generation of 6-bromozinc-2-methoxypyridine. — (GROS, PHILIPPE; FORT, YVES; Synthesis (1999) 5, 754-756; Synth. Org. React., Fac. Sci., CNRS, Univ. Henri Poincare, F-54506 Vandoeuvre-les-Nancy, Fr.; EN) 1

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Page 1: ChemInform Abstract: Efficient and Regioselective Access to Bis-heterocycles via Palladium-Catalyzed Coupling of Organostannanes and Organozincates Derived from C-6 Lithiated 2-Methoxypyridine

1999 pyridine derivatives

pyridine derivativesR 0380

34 - 169Efficient and Regioselective Access to Bis-heterocycles via Palladium-Catalyzed Coupling of Organostannanes and Organozincates Derivedfrom C-6 Lithiated 2-Methoxypyridine. — The synthesis of bishetaryls(III) is regioselectively achieved by Pd-catalyzed Stille coupling of hetarylbromides (I) with preformed tributyltinpyridine (II) or via regioselective in situgeneration of 6-bromozinc-2-methoxypyridine. — (GROS, PHILIPPE; FORT,YVES; Synthesis (1999) 5, 754-756; Synth. Org. React., Fac. Sci., CNRS, Univ.Henri Poincare, F-54506 Vandoeuvre-les-Nancy, Fr.; EN)

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