Anomalous Mutarotation of Amine Salts of d-Camphor-10-sulfonic Acid. Attempted Resolution of Tri-substituted Nitrogen Compounds

RS Schreiber, RL Shriner

Index: Schreiber; Shriner Journal of the American Chemical Society, 1935 , vol. 57, p. 1306,1310

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Abstract

From the data which are now available it may be safely concluded that a halogen meta to the nitro group does increase the mobility of the halogen: in the para position. Also when piperidine is used as the reagent for reactive halogen, a steric effect seems to be of importance. Drake and McElvain “,'have shown that with piperidine a rate determining factor in the halogen replacement reaction is the ability of the reagent to approach the carbon ...