单词 | allylin |
释义 | allylinn. Chemistry. Now rare. A viscous liquid formed by heating glycerol with oxalic acid.Allylin (also called monoallylin) is allyloxyglycerol; CH2=CHCH2OCH2CH(OH)CH2OH. Diallylin and triallylin may be formed if the second and third OH groups in the glycerol component are substituted with allyl radicals. ΚΠ 1863 H. Watts Dict. Chem. I. 143 (heading) Oxide of allyl and glyceryl, or triallylin.] 1864 Chem. News 9 Apr. 176/1 Allyline combined in a similar manner with idriodic acid. 1873 Brit. Med. Jrnl. 18 Oct. 471/2 Croton-chloral..may be prepared by passing chlorine gas into allyline. 1875 H. Watts Dict. Chem., 2nd Supp. 51 Allylin is distinguished from glycerin-ether..both by its composition and by its reactions, glycerin-ether not being decomposed by distillation, and not combining with bromine. 1919 P. E. Spielman tr. V. von Richter Org. Chem. I. 531 Allylin..is produced by heating glycerol with oxalic acid. This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021). < n.1864 |
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