| 释义 |
propanediol Chem.|ˌprəʊpeɪnˈdaɪɒl|
[f. propane + di-2 + -ol.]
= propylene glycol s.v. propylene 2; also, a derivative of this.
1894G. M'Gowan tr. Bernthsen's Text-bk. Org. Chem. (ed. 2) 206 Propylene glycol is known in two isomeric forms, viz.: (a) Tri-methylene glycol† or β-Propylene glycol,..(b) α-Propylene glycol{ddag}. [Note] † 1-3-Propane⁓diol. {ddag}1-2-Propane-diol. 1952Jrnl. Pharmacol. & Exper. Therapeutics CV. 452 The 1,3-propanediol ethers have greater protective action in electroshock seizures than the corresponding position isomers of the 1,2-propanediol series. 1966McGraw-Hill Encycl. Sci. & Technol. XIV. 16/2 According to basic chemical structure, four categories of tranquilizers are delineated: phenothiazines..; rauwolfia derivatives..; propanediols, for example, meprobamate or Miltown; diphenylurethanes. 1976Ann. Rev. Microbiol. XXX. 421 A clear example of evolution to reverse function in the laboratory is the evolution of propanediol catabolism through recruitment of enzymes normally involved in L-fucose and L-lactate metabolism. |