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Dalton Transactions

The international journal for inorganic, organometallic and bioinorganic chemistry



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Dalton Trans., 2010, 39, 593 - 602, DOI: 10.1039/b911856j

Olefin metathesis as a tool for multinuclear Co(III)salen catalyst construction: access to cooperative catalysts

Robert M. Haak, Marta Martínez Belmonte, Eduardo C. Escudero-Adán, Jordi Benet-Buchholz and Arjan W. Kleij

The construction of novel (macrocyclic) multinuclear Co(III)salen catalysts is reported. Olefin metathesis has been used as a key construction tool for the multimetallic structures starting from versatile allyl-substituted salen scaffolds. The Co(III) complexes were tested in the hydrolytic kinetic resolution of (rac)-1,2-epoxyhexane and epoxide ring opening reactions using methanol as the nucleophile. The preliminary results suggest a cooperative mode of catalysis in the case of bis-Co(III)salen macrocycle 10.

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