Preparation of Polyfunctional Naphthyridines by Cobalt-Catalyzed
Cross-Couplings of Halogenated Naphthyridines with Magnesium and Zinc
Organometallics

Knochel, Paul

Preparation of Polyfunctional Naphthyridines by Cobalt-Catalyzed Cross-Couplings of Halogenated Naphthyridines with Magnesium and Zinc Organometallics

Version 2 2019-03-05, 00:49

Version 1 2017-11-18, 21:13

Posted on 2019-03-05 - 00:49

CoCl₂ (5%) catalyzes cross-couplings of various halogenated naphthyridines with alkyl- and arylmagnesium halides. Also, arylzinc halides undergo smooth cross-couplings with various naphthyridines in the presence of CoCl₂·2LiCl (5%) and sodium formate (50%), leading to polyfunctional arylated naphthyridines. Two of these arylated naphthyridines are highly fluorescent, with quantum efficiencies reaching 95% and long excited-state lifetimes of up to 12 ns.

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Greiner, Robert; Ziegler, Dorothée S.; Cibu, Denise; Jakowetz, Andreas C.; Auras, Florian; Bein, Thomas; et al. (2017). Preparation of Polyfunctional Naphthyridines by Cobalt-Catalyzed Cross-Couplings of Halogenated Naphthyridines with Magnesium and Zinc Organometallics. ACS Publications. Collection. https://doi.org/10.1021/acs.orglett.7b03242

https://doi.org/10.1021/acs.orglett.7b03242

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