pentynyln.

Brit.

/ˈpɛntᵻnʌɪl/,

/ˈpɛntᵻnɪl/, U.S.

/ˈpɛn(t)əˌnɪl/

Forms: 1800s– pentinyl, 1900s– pentynyl.

Origin: Formed within English, by derivation. Etymons: pentyne n., -yl suffix.

Etymology: < pentyne n. + -yl suffix.

Chemistry. Now rare.

An unsaturated hydrocarbon radical with the formula —C₅H₇; (now) spec. one containing a carbon–carbon triple bond (cf. pentyne n.). Usually as a formative element in chemical names.

ΚΠ

1892 H. F. Morley & M. M. P. Muir Watts' Dict. Chem. (rev. ed.) III. 807/2 Pentinyl ethyl oxide..C₅H₇.O.C₂H₅.

1932 Jrnl. Amer. Chem. Soc. 54 1185 Similarly titanium trichloride reduced diphenyl-(3-methyl-3-ethyl-pentinyl-1)-carbinol..to produce a hydrocarbon, C₄₂H₄₆.

1949 Jrnl. Amer. Chem. Soc. 71 1293/1 The condensation of 1-pentynyl-magnesium bromide with β-chloroethyl p-toluene-sulfonate.

1989 Brit. Jrnl. Pharmacol. 96 323/1 The arecaidine 2-butynyl and 2-pentynyl ester..were approximately equipotent with APE at atrial and ileal M₂ receptors.

This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022).

单词	pentynyl
释义	pentynyln. Brit. /ˈpɛntᵻnʌɪl/, /ˈpɛntᵻnɪl/, U.S. /ˈpɛn(t)əˌnɪl/ Forms: 1800s– pentinyl, 1900s– pentynyl. Origin: Formed within English, by derivation. Etymons: pentyne n., -yl suffix. Etymology: < pentyne n. + -yl suffix. Chemistry. Now rare. An unsaturated hydrocarbon radical with the formula —C₅H₇; (now) spec. one containing a carbon–carbon triple bond (cf. pentyne n.). Usually as a formative element in chemical names. ΚΠ 1892 H. F. Morley & M. M. P. Muir Watts' Dict. Chem. (rev. ed.) III. 807/2 Pentinyl ethyl oxide..C₅H₇.O.C₂H₅. 1932 Jrnl. Amer. Chem. Soc. 54 1185 Similarly titanium trichloride reduced diphenyl-(3-methyl-3-ethyl-pentinyl-1)-carbinol..to produce a hydrocarbon, C₄₂H₄₆. 1949 Jrnl. Amer. Chem. Soc. 71 1293/1 The condensation of 1-pentynyl-magnesium bromide with β-chloroethyl p-toluene-sulfonate. 1989 Brit. Jrnl. Pharmacol. 96 323/1 The arecaidine 2-butynyl and 2-pentynyl ester..were approximately equipotent with APE at atrial and ileal M₂ receptors. This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022). < n.1892
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