33 



Alcohols, Glycols and Compounds Related to Sugars 



Umbilicaria pustidata 



Bengt Lindberg, Carl A. Wachtmeister and Borje Wickberg, 

 Acta Chem. Scand. 6 1052 (1952). 



40 Trehalosamine, CjoHooOioN (Hydrochloride) white microcrys- 

 talMne powder, [a] d'' +176° (c 2.0 in water). 



CH2OH 



A streptomycete 



A yield of about 5 g. per liter was obtained. 

 Frederico Arcamone and Franco Bizioli, Gazz. chim. ital. 

 87 896 (1957). 



41 Leucrose (5-0-a-D-Glucopyranosyl-D-fructopyranose), C12H22O11, 

 colorless hygroscopic bars, m.p. 161-163° (anhydrous), 



156-158° (monohydrate), [a]^'' -8.2' 

 c 4 in water). 



CH2OH 



■7.6° (<lhour, 



CH2OH 



Leuconostoc mesenteroides 



Frank H. Stodola, E. S. Sharpe and H. J. Koepsell, J. Am. 

 Chem. Soc. 78 2514 (1956). 



42 Kojibiose ( 2-0-a-D-Glucopyranosyl-D-glucose ) , CioHooOn, m.p. 

 (Octaacetate) 166°, [aU +150° (c 2.1 in chloroform). 

 Free sugar: [aU +136° (equil., c 0.5 in water). 



CH2OH 



