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Group electronic coupling

Type IIpolymers have the metal group electronically coupled to the polymer backbone through a conjugated Unker group or directly by coordination to sites the metal groups can directly influence each other s properties. [Pg.326]

All examples mentioned so far correspond to reactions between two aromatic groups, however, couplings in which one or both partners are alkyl groups can be achieved using electron-rich boron-based nucleophiles. Fiirstner has reported the use of B-alkyl or 5-allyl methoxy-9-BBN anions for the efficient coupling with some aryl chlorides using an in situ prepared IPr HCl/Pd(OAc)j system [118], Some of the results obtained with these easy-to-handle borate-based nucleophiles are shown below (Scheme 6.34). [Pg.176]

II. Intra-Pair Reactions Back electron transfer Proton, atom, or group transfer Coupling... [Pg.234]

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