| 释义 |
racemate Chem.|ˈræsɪmət|
[f. racem-ic + -ate4.]
a. A salt of racemic acid.
1835Rec. Gen. Sci. II. 101, 3.20 grs. of neutral racemate of lead. 1838T. Thomson Chem. Org. Bodies 68 Some of the principal tartrates and racemates. 1857W. A. Miller Elem. Chem. III. 333 The racemate of lime is soluble in hydrochloric acid. 1868Watts Dict. Chem. V. 37 Alkaline racemates form a green precipitate with cupric salts.
b. A racemic (sense b) form of a compound.
1907Jrnl. Chem. Soc. XCI. i. 906 In the case of substances known only in the liquid state, no general method has as yet been obtained to establish in a sufficiently convincing manner the existence of liquid racemates. 1936Discovery Nov. 341/2 A solution of the racemic form (or racemate as it is sometimes called) is treated with the active form of a Base..obtained from Nature. 1953Jrnl. Amer. Chem. Soc. LXXV. 4587/2 The possibility of strong intramolecular hydrogen bonding in the case of α-phenethyl phthalate would offer an alternative explanation for the similarity in the spectra of the enantiomorphs and racemate. 1973C. H. Snyder Introd. Mod. Org. Chem. viii. 129 Since attack by bromide ion is equally likely at either carbon, the product is a racemate. 1973D. Whittaker Stereochem. & Mechanism i. 8 Racemates..often have different melting points from the optical isomers.
Hence ˈracemated a., containing a proportion of racemic acid.
1838T. Thomson Chem. Org. Bodies 74 Racemated suboxide of mercury. |