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TABLE 148.-Optical rotation and melling point of certain sugars and sugar derivatives-Continued

TURANOSE (3-(a-d-glucopyranosido)-d-fructose)

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REFERENCES

1 These values are read at 20° C except where the temperature is specified otherwise in parentheses.

C. S. Hudson and E. Pacsu, J. Am. Chem. Soc. 52, 2519 (1930).

(2) H. S. Isbell and W. W. Pigman, J. Research NBS 20, 773 (1938) RP1104.

[3] E. Pacsu, J. Am. Chem. Soc. 55, 2451 (1933).

[4] E. Pacsu, J. Am. Chem. Soc. 54, 3649 (1932).

5 F. B. Cramer and E. Pacsu, J. Am. Chem. Soc. 59, 711 (1937).

6 E. Pacsu and V. Rich, J. Am. Chem. Soc. 55, 3018 (1933).

[7] H. S. Isbell, J, Research NBS 26, 35 (1941) RP1356.

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These values are read at 20°C except where the temperature is specified otherwise in parentheses.

TABLE 148.-Optical rotation and melting point of certain sugars and sugar derivatives-Continued

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1 These values are read at 20° C except where the temperature is specified otherwise in parentheses.

[1] H. S. Isbell and W. W. Pigman, J. Research NBS 18, 141 (1937) RP969.

REFERENCES

2 C. N. Riiber and O. Bjerkli, Kgl. Norske Videnskab. Selskabs, Skrifter, No. 5 (1936).

3) A. Hilger and S. Rothenfusser, Ber. deut. chem. Ges. 35, 4444 (1902).

4 T. Reichstein, A. Grüssner, and R. Oppenauer, Helv. Chim. Acta 16, 1024 (1933).

5 H. I. Wheeler and B. Tollens, Liebigs Ann. Chem. 254, 304 (1889).

6 P. A. Levene and A. L. Raymond, J. Biol. Chem. 102, 331 (1933).

7 G. J. Robertson and T. H. Speedie, J. Chem. Soc. 1934, 824.

8 F. P. Phelps and C. B. Purves, J. Am. Chem. Soc. 51, 2443 (1929).

19 A. L. Raymond, J. Biol. Chem. 107, 85 (1934).

[10 C. S. Hudson and J. K. Dale, J. Am. Chem. Soc. 40, 997 (1918).

11 M. L. Wolfrom, M. R. Newlin, and E. E. Stahly, J. Am. Chem. Soc. 53, 4379 (1931). 12 W. E. Stone, Am. Chem. J. 15, 653 (1893).

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[13] R. Bader, Chem. Ztg. 19, 55 (1895).

[14] C. S. Hudson and J. M. Johnson. J. Am. Chem. Soc. 37, 2748 (1915). [15] N. W. Pirie, Biochem. J. 30, 374 (1936).

[16] D. H. Brauns, J. Am. Chem. Soc. 45, 833 (1923).

17 H. Ryan and G. Ebrill, Proc. Roy. Dublin Soc. 11, 249 (1905-1908).
[18] D. H. Brauns, J. Am. Chem. Soc. 47, 1280 (1925).

19 H. H. Schlubach and R. Gilbert, Ber. deut. chem. Ges. 63, 2292 (1930).
(20) J. K. Dale, J. Am. Chem. Soc. 37, 2746 (1915).
(21) E. Fischer, Ber. deut. chem. Ges. 28, 1145 (1895).
[22] C. S. Hudson, J. Am. Chem. Soc. 47, 265 (1925).

[23] P. A. Levene and A. L. Raymond, J. Biol. Chem. 102, 317, 331 (1933).
[24] O. Svanberg and K. Sjöberg, Ber. deut. chem. Ges. 56, 863 (1923).
(25) P. A. Levene and R. S. Tipson, J. Biol. Chem. 115, 731 (1936).

26 H. S. Isbell and H. L. Frush, BS J. Research 11, 649 (1933) RP613.
27 V. Hasenfratz, Compt. rend. 196, 350 (1933).

(28) J. U. W. Nef, Liebigs Ann. Chem. 403, 252 (1914).

29 G. H. A. Clowes and B. Tollens, Liebigs Ann. Chem. 310, 176 (1900).

30 C. S. Hudson and H. S. Isbell, J. Am. Chem. Soc. 51, 2225 (1929).

31 G. Bertrand, Bul. soc. chim. [3] 5, 554 (1891); 19, 1001 (1898).

[32] R. A. Weerman, Rec. trav. chim. 37, 40 (1917).

33 P. A. Levene and T. Mori, J. Biol. Chem. 83, 803 (1929). [34] M. Gehrke and F. Obst., Ber. deut. chem. Ges. 64, 1724 (1931).

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TABLE 149.-Isbell and Pigman table of optical rotation and mutarotation of the reducing sugars

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[a]p at t minutes after solution:

AX 10-t+BX 10+2C

Mutarotation

constants

Change due to

Slow Fast Slow Fast reaction reaction reaction reaction

rium rotation

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