| 释义 |
pinacolin Chem.|pɪˈnækəlɪn|
Also -ine.
[a. G. pinacolin (R. Fittig 1860, in Ann. d. Chem. u. Pharm. CXIV. 58): see pinacone, -ol, -in1.]
A colourless oily liquid (C6H12O), having an odour of peppermint, variously produced from pinacone. Also, any other ketone in which the carbonyl group is bonded to at least one tertiary carbon atom. Now usu. called pinacolone. Hence pinaˈcolic a.
1866Watts Dict. Chem. IV. 647 Pinacolin,..an oily body produced by the dehydration of pinacone. 1875Ibid. VII. 982 Pinacolic alcohol, C6H14O..is produced by treating pinacolin with sodium in presence of water. 1884[see pinacone]. 1913T. H. Pope tr. Molinari's Treat. Org. Chem. II. 183 When distilled with dilute sulphuric acid, it [sc. pinacone] is transformed into pinacoline, (CH3)3C.CO.CH3. 1936[see pinacol]. 1973B. J. Hazzard tr. Organicum 587 In textbooks, the dihydric alcohol here termed pinacol is often called pinacone and the ketone produced by the rearrangement pinacoline. |
