| 单词 | propargyl |
| 释义 | propargyl Chem.|prəʊˈpɑːdʒɪl|
[f. prop- in propionic + arg- (in allusion to the fact that one of its proportions of hydrogen is characteristically replaceable by silver, argentum) + -yl.]
A hydrocarbon radical, C3H3, = CH≡C·CH2, also called propinyl, which is found isolated in the form of dipropargyl, and occurs in propargyl alcohol, a colourless, very fragrant liquid, CH≡C.CH2.OH, formed by the action of KOH on monobromallyl alcohol; propargyl bromide, CH≡C·CH2Br, etc. Hence proˈpargylaˌmine C3H3NH2; proˈpargylate, a compound of propargyl with another radical, as ethyl propargylate, CH≡C·CH2(OC2H5); proparˈgylic a., of or containing propargyl, as propargylic ether = ethyl propargylate.
1866–8Watts Dict. Chem. IV. 728 Propargylic ether. 1872Ibid. VI. 958 Propargylic ether..is a liquid having an offensive odour, boiling at 72°. 1875Ibid. VII. 1007 Propargyl compounds. Ibid., Ethyl propargylate or propargylic ether..was discovered in 1865 by Liebermann. Ibid., Propargyl Alcohol..is a colourless liquid of peculiar odour, boiling at 114°–115°. Ibid. 1008 Methyl propargylate..Amyl propargylate. Propargyl Bromides,..Iodide,..Acetate,..Sulphocyanate. |
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