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单词 pinacoline
释义

pinacolinen.

Brit. /pᵻˈnakəliːn/, U.S. /pᵻˈnækəˌlin/
Forms: 1800s– pinacolin, 1800s– pinacoline.
Origin: A borrowing from German. Etymon: German Pinacolin.
Etymology: < German Pinacolin (R. Fittig 1860, in Ann. d. Chem. u. Pharm. 114 58) < Pinacon pinacone n. + -ol -ol suffix + -in -ine suffix1. Compare French pinacoline (1876 or earlier).
Chemistry.
= pinacolone n.
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the world > matter > chemistry > organic chemistry > organic bases > [noun]
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the world > matter > chemistry > organic chemistry > ketones > [noun] > pinacolin
pinacoline1866
pinacolone1920
1866 H. Watts Dict. Chem. IV. 647 Pinacolin,..an oily body produced by the dehydration of pinacone.
1884 H. E. Roscoe & C. Schorlemmer Treat. Chem. III. ii. 12 The pinacones decompose very readily into water and the ketones, to which the name of pinacolines is given.
1936 L. J. Desha Org. Chem. 538 The pinacol rearrangement is irreversible in the sense that pinacolins do not change into pinacols.
1973 B. 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.
1995 Jrnl. Amer. Chem. Soc. 117 876 1,2-Phenyl migrations in a pinacolin rearrangement.
This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022).
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n.1866
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