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Journal of the American Chemical Society

Orientation in the Furan Nucleus. VI. β-substituted Furans

H Gilman, RR Burtner

文献索引:Gilman; Burtner Journal of the American Chemical Society, 1933 , vol. 55, p. 2903,2908

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被引用次数: 23

摘要

The results now reported on the nitration and halogenation of, &monosubstituted furans make it possible to formulate with some confidence generalizations on the directing influence of such substituents. These may be stated as follows.(1) The entering group goes largely, if not exclusively, to one of the a-positions.(2) The particular a-position assumed by the substituent is determined largely by the nature of the group already in the P-position. If ...