D-Erythrose
Title: D-Erythrose
CAS Registry Number: 583-50-6
CAS Name: (2R,3R)-2,3,4-Trihydroxybutanal
Molecular Formula: C4H8O4
Molecular Weight: 120.10
Percent Composition: C 40.00%, H 6.71%, O 53.29%
Literature References: From calcium D-arabonate by oxidation with H2O2: Ruff, Ber. 32, 3674 (1899); 33, 1799 (1900). From D-glucose: Perlin, Methods Carbohydr. Chem. 1 (Academic Press, New York, 1962) p 64. Synthesis of DL-erythrose: Sonogashira, Nakagawa, Bull. Chem. Soc. Jpn. 45, 2616 (1972).
Properties: Syrup. Shows mutarotation. [a]D20 +1° ® -14.5° (3 days, c = 11). Sol in water. Slowly reduces cold Fehling's soln. Sodium amalgam reduces it to natural, inactive erythritol. No aldehyde reaction with benzenesulfhydroxamic acid. Not fermented by yeast.
Optical Rotation: [a]D20 +1° ® -14.5° (3 days, c = 11)
 
Derivative Type: Phenylosazone
Molecular Formula: C16H18N4O2
Molecular Weight: 298.34
Percent Composition: C 64.41%, H 6.08%, N 18.78%, O 10.73%
Properties: mp 164°.
Melting point: mp 164°

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