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

propionyl n.

Brit.

/ˈprəʊpɪənɪl/

/ˈprəʊpɪənʌɪl/

U.S.

/ˈproʊpiəˌnɪl/

/ˈproʊpiəˌnil/

an acyl radical derived from propionic acid (usually attributive); formerly also called metacetyl.Formula: —C(O)CH₂CH₃.

ΚΠ

1850 Philos. Trans. (Royal Soc.) 140 129 The existence of a series of bases of the formula C_nH_n+1N, i.e. bases containing formyl, acetyl, propionyl (metacetyl), butyryl, &c., appears to be still doubtful.

1922 J. J. Sudborough Bernthsen's Text-bk. Org. Chem. (new ed.) viii. 207 Its hydrochloric ester is epichlorhydrin,..isomeric with chlor-acetone and propionyl chloride.

1992 C. A. Smith & E. J. Wood Biosynthesis iii. 61 In non-ruminants..propionyl CoA is formed as an intermediate in the metabolism of methionine, valine, threonine and odd-numbered fatty acids.

单词	propionyl
释义	> as lemmas propionyl propionyl n. Brit. /ˈprəʊpɪənɪl/ , /ˈprəʊpɪənʌɪl/ , U.S. /ˈproʊpiəˌnɪl/ , /ˈproʊpiəˌnil/ an acyl radical derived from propionic acid (usually attributive); formerly also called metacetyl.Formula: —C(O)CH₂CH₃. ΚΠ 1850 Philos. Trans. (Royal Soc.) 140 129 The existence of a series of bases of the formula C_nH_n+1N, i.e. bases containing formyl, acetyl, propionyl (metacetyl), butyryl, &c., appears to be still doubtful. 1922 J. J. Sudborough Bernthsen's Text-bk. Org. Chem. (new ed.) viii. 207 Its hydrochloric ester is epichlorhydrin,..isomeric with chlor-acetone and propionyl chloride. 1992 C. A. Smith & E. J. Wood Biosynthesis iii. 61 In non-ruminants..propionyl CoA is formed as an intermediate in the metabolism of methionine, valine, threonine and odd-numbered fatty acids. extracted from propio-comb. form < as lemmas
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> as lemmas