英语词汇“campholide”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

campholide n.

Brit.

/ˈkamfəlʌɪd/

U.S.

/ˈkæmfəˌlaɪd/

(also †campholid) [-olid (see quot. 1896¹)] either of two isomers of the lactone C₁₀H₁₆O₂, a crystalline substance resembling camphor.

ΘΚΠ

the world > matter > chemistry > organic chemistry > organic compounds > [noun] > cyclic compounds > named > lactones

campholide1896

azlactone1917

1896 M. O. Forster in Jrnl. Chem. Soc. LXIX. i. 39 The isomeric lactone will be called campholid, the termination olid indicating, according to systematic nomenclature, a compound of lactonic character.

1896 Jrnl. Chem. Soc. 70 i. 385 When an alcoholic solution of camphoric anhydride is reduced by means of sodium amalgam, the liquid being kept acid by addition of sulphuric acid, a small quantity of campholide, C₁₀H₁₆O₂, is obtained.

1938 Thorpe's Dict. Appl. Chem. (ed. 4) II. 247/2 Reduction of camphoric anhydride with sodium amalgam..or catalytically..gives α-campholide, whilst reduction of β-methyl hydrogen camphorate gives β-campholide, m.p. 218°–220°.

单词	campholide
释义	> as lemmas campholide campholide n. Brit. /ˈkamfəlʌɪd/ , U.S. /ˈkæmfəˌlaɪd/ (also †campholid) [-olid (see quot. 1896¹)] either of two isomers of the lactone C₁₀H₁₆O₂, a crystalline substance resembling camphor. ΘΚΠ the world > matter > chemistry > organic chemistry > organic compounds > [noun] > cyclic compounds > named > lactones campholide1896 azlactone1917 1896 M. O. Forster in Jrnl. Chem. Soc. LXIX. i. 39 The isomeric lactone will be called campholid, the termination olid indicating, according to systematic nomenclature, a compound of lactonic character. 1896 Jrnl. Chem. Soc. 70 i. 385 When an alcoholic solution of camphoric anhydride is reduced by means of sodium amalgam, the liquid being kept acid by addition of sulphuric acid, a small quantity of campholide, C₁₀H₁₆O₂, is obtained. 1938 Thorpe's Dict. Appl. Chem. (ed. 4) II. 247/2 Reduction of camphoric anhydride with sodium amalgam..or catalytically..gives α-campholide, whilst reduction of β-methyl hydrogen camphorate gives β-campholide, m.p. 218°–220°. extracted from camph-comb. form < as lemmas
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> as lemmas