pentitoln.

Brit.

/ˈpɛntᵻtɒl/, U.S.

/ˈpɛn(t)əˌtɔl/,

/ˈpɛn(t)əˌtɑl/

Origin: Formed within English, by derivation. Etymons: pentose n., -itol suffix.

Etymology: < pent- (in pentose n.) + -itol suffix. Compare earlier hexitol n.

Chemistry.

Any of several isomeric pentahydric alcohols of the formula CH₂OH·(CHOH)₃·CH₂OH, derived from pentose sugars and often present in plant tissues, such as arabitol, ribitol, and xylitol.

ΘΚΠ

the world > matter > chemistry > organic chemistry > alcohols > [noun] > pentahydric alcohols > pentitol

pentitol1907

1907 J. B. Cohen Org. Chem. Adv. Students I. viii. 310 (table) Pentitol.

1954 S. S. Cohen in D. M. Greenberg Chem. Pathways of Metabolism I. v. 211 Two naturally occurring pentitols, d-arabitol and ribitol (adonitol), are known.

1971 J. F. Stoddart Stereochem. Carbohydrates ii. 20 There are four pentitols.

2002 Carbohydrate Res. 337 69 The bis-cyclic thionocarbonates of alditols (pentitols and hexitols) were..obtained from alditol stannylene complexes.

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

单词	pentitol
释义	pentitoln. Brit. /ˈpɛntᵻtɒl/, U.S. /ˈpɛn(t)əˌtɔl/, /ˈpɛn(t)əˌtɑl/ Origin: Formed within English, by derivation. Etymons: pentose n., -itol suffix. Etymology: < pent- (in pentose n.) + -itol suffix. Compare earlier hexitol n. Chemistry. Any of several isomeric pentahydric alcohols of the formula CH₂OH·(CHOH)₃·CH₂OH, derived from pentose sugars and often present in plant tissues, such as arabitol, ribitol, and xylitol. ΘΚΠ the world > matter > chemistry > organic chemistry > alcohols > [noun] > pentahydric alcohols > pentitol pentitol1907 1907 J. B. Cohen Org. Chem. Adv. Students I. viii. 310 (table) Pentitol. 1954 S. S. Cohen in D. M. Greenberg Chem. Pathways of Metabolism I. v. 211 Two naturally occurring pentitols, d-arabitol and ribitol (adonitol), are known. 1971 J. F. Stoddart Stereochem. Carbohydrates ii. 20 There are four pentitols. 2002 Carbohydrate Res. 337 69 The bis-cyclic thionocarbonates of alditols (pentitols and hexitols) were..obtained from alditol stannylene complexes. This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022). < n.1907
随便看	field forget-me-not field forgetmenot field fort field fortification field fowl field furniture field game field garlic field gate field general field gentian field geologist field glass field goal field grade field grey field guide field gun field gunner field hand field hat field hay field hockey field holler field hospital