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单词 camphor-phorone
释义

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camphor-phorone
1. A white crystalline cyclic ketone, originally obtained from camphoric acid; 2-methyl-5-isopropylidene-cyclopentanone, C9H14O. Also camphor-phorone. Also called camphorone. Obsolete.
ΚΠ
1852 H. B. Jones & A. W. Hoffman Fownes's Man. Elem. Chem. (ed. 4) iii. 600 When camphorate of lime is submitted to distillation, it yields a volatil oil..similar to acetone or benzophenone. This substance, phorone, contains C9H7O or C18H14O2.
1869 R. Bridges Fownes's Man. Elem. Chem. (ed. 10) 664 Calcium camphorate when distilled yields a volatile oil consisting of phorone.., the ketone of camphoric acid.
1877 H. Watts Fownes's Man. Chem. (ed. 12) 602 The calcium salt [of camphoric acid] is resolved by heat into carbonate and camphor-phorone.., isomeric with phorone from acetone.
extracted from phoronen.
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更新时间:2024/12/23 15:33:11