Prepn from d-glucose: Holly et al., J. Am. Chem. Soc. 72, 5416 (1950); from N-benzylglycamine: Kagan et al., ibid. 79, 3541 (1957); by catalytic reduction of glucose in the presence of hydrazine: Lemieux, US 2830983 (1958 to Natl. Res. Council, Ottawa). Commercial prepn: Flint, Salzberg, US 2016962 (1935 to du Pont); Groggins, Stirton, Ind. Eng. Chem. 29, 1358 (1937).