Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: 4-Chloro-8-methylquinoline, is researched, Molecular C10H8ClN, CAS is 18436-73-2, about Cp*CoIII-Catalyzed Alkylation of Primary and Secondary C(sp3)-H Bonds of 8-Alkylquinolines with Maleimides.Safety of 4-Chloro-8-methylquinoline.
The cobalt(III)-catalyzed C(sp3)-H bond alkylation of 8-Me quinoline with maleimides is reported. In contrast to the rhodium-catalyzed method, in the current cobalt-catalyzed method, a catalytic amount of acid is used, and importantly, it is also applicable to secondary C(sp3)-H bond alkylation. The developed methodol. is applicable for N-alkyl- and N-aryl-substituted maleimides and unsubstituted maleimides, and it also tolerates the variety of functional groups on the 8-Me quinoline moiety. Atom-economy and high regioselectivity with good to excellent yields of the alkylated products under mild reaction conditions are important features of this method.
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Reference:
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia