Synthèse et réactions SRN1 en série 5-nitrothiazole

Add time:07/26/2019    Source:sciencedirect.com

A new heterocyclic reductive alkylating agent, the 2-methyl-4-chloromethyl-5-nitrothiazole, has been synthesized and could react with the 2-nitropropane anion as nucleophile, to give the 2-methyl-4-(2-methylpropenyl)-5-nitrothiazole as the major product. The reaction was shown to proceed by the SRN1 mechanism which was confirmed by the classical criteria for SRN1 reaction: the leaving group effect, the electronwithdrawing group effect and classical inhibition experiments by dioxygen, p-dinitrobenzene, cupric chloride or di-tert-butylnitroxide. This reaction has been extended to nitrocyclopentane and nitrocyclohexane anions with lower yields.

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