A Chemical Synthesis of Isomaltose.

* The spectra were obtained both from Dr. Marjorie C. Caserio of the California Institute of Technology, Pasadena, and independently from Dr. LeRoy F. Johnson of Varian Associates, Palo Alto. This assistance is gratefully acknowledged. 1 Noelting, E., and A. Kohn, Chem.-Ztg., 18, 1905 (1894). 2 For various pertinent references, see J. V. R. Kaufman and J. P. Picard, Chem. Rev., 59, 429 (1959). 3Boyer, J. H., R. F. Reinisch, M. J. Danzig, G. A. Stoner, and F. Sahhar, J. Am. Chem. Soc., 77, 5688 (1955). 4 Boyer, J. H., and S. E. ElIzey, J. Am. Chem. Soc., 82, 2525 (1960). 5Green, A. G., and F. M. Rowe, J. Chem. Soc., 103, 897 (1913); Forster, M. O., and M. F. Barker, J. Chem. Soc., 103, 1918 (1913); see also J. H. Boyer and G. Mamikunian, J. Org. Chem., 23, 1807 (1958). 0