| 释义 |
threose Chem.|ˈθriːəʊz|
[a. G. threose (O. Ruff 1901, in Ber. d. Deut. Chem. Ges. XXXIV. 1364), f. erythrose erythrose by omission and transposition of letters.]
A tetrose sugar, CHO·[CH(OH)]2·CH2OH, isolated as a hygroscopic solid and existing in two molecular configurations; it differs from erythrose in having the hydroxyl groups on the second and third carbon atoms on opposite sides of the carbon chain.
1901Jrnl. Chem. Soc. LXXX. i. 449 The calcium salt [of l-xylonic acid]..was then oxidised with hydrogen peroxide and ferric acetate to l-threose. 1963[see erythrose]. 1982T. W. G. Solomons Fund. of Org. Chem. xix. 709 One cyanohydrin ultimately yields d-({b1})-erythrose and the other yields d-({b1})-threose. |