Tetrahedron

Nickel-complex-catalyzed cross-coupling of grignard reagents with 2-halogenobenzothiazoles

F Babudri, S Florio, L Ronzini, M Aresta

Index: Babudri, F.; Florio, S.; Ronzini, L.; Aresta, M. Tetrahedron, 1983 , vol. 39, # 9 p. 1515 - 1521

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Citation Number: 13

Abstract

2-Halogenobenzothiazoles undergo CC cross-coupling reaction with Grignard reagents in the presence of Ni (II)-phosphine complexes. The reaction is considerably influenced by the nature of the phosphine bonded to Ni (II) and the halogen in the halogenobenzothiazole. Particularly efficient catalysts are 2-chlorobenzothiazole coordinated nickel-complexes, NiBr2 (H2O)(2-Cl-BT), NiBr2 (2-Cl-BT) PMe3, NiBr2,(2-Cl-BT) PCy3 and complex NiBr2 ( ...

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