By W.W. Pigman, M.L. Wolfrom, Stanley Peat (Eds.)
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His main proposals for nomenclature were made in successive steps during this period, and a study of the order of the historical record leaves no doubt that the subject assumed form in his mind by (7) (a) A. Wohl and F. , 60,455 (1917). 10 C. 8. HUDSON gradual steps as new experimental facts came to light. What appears to be the first step in this historical order of development is shown through the following free translation from his article8 in which the naming of the enantiomorphous forms of mannose and mannitol and several of their derivatives is discussed.
VI. Theories of Osazone Formation.. . . . . . . . . . . . . . . . . . . 23 24 24 26 26 28 28 31 31 33 36 37 37 37 39 40 41 I. INTRODUCTION All carbohydrate chemists will agree that the first notable advance in the subject dates from the publication of the classical papers of Emil Fischer’ on phenylosazone formation. Since that time the derivatives obtained by condensing sugars with phenylhydrazine and other substituted hydrazines have been used widely for purposes of identification and, in some cases, for the estimation and separation of sugars.
This result is therefore not in conflict with the conclusions of Behrend. From similar studies Stempe19 concluded th at ‘(no information of value concerning (7) A. , 366, 305 (1909). Frhrejacque, Compt. rend. , J . Am. Chem. Soc.. 60, 1351 (1934) 26 E. G. V. NH3+and an intermediate substance which is symmetrically related to the isomeric forms of D-glucose. It is clear that there is no evidence for presuming the D-glucose “a)’-and phenylhydrazones t o be derived from a- and 0-D-glucose. “a,’- 2.