Alkylation of 4´,4´´-dinitrodibenzo-18-crown-6
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Kozinskaya Lyubov Konstantinovna, Jurayev Vays Narzullayevich
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This article presents the results of alkylation of 4´,4´´-dinitrodibenzo-18-crown-6 with C1-C5 alkyl bromides of normal structure, isomers (n-, sec-, iso-, tert-) butyl bromide and unsaturated allyl bromide in ether media and under phase-transfer catalysis conditions. The alkylation of 4´,4´´-dinitrodibenzo-18-crown-6 via the Grignard reaction occurs with the parallel reduction of the nitro group to the nitroso group. In benzene, the alkylating group occupies the 3´,3´´-position. The branched structure of the alkylating radical affects the yield of the product. When carrying out the Grignard reaction in a diethyl ether medium, alkylation occurs at the 5´,5´´-position; branching of the radical does not affect the quantitative yield of the target product
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Authors
Kozinskaya Lyubov Konstantinovna, Jurayev Vays Narzullayevich
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