furfural

(redirected from tetrahydrofuran)
Also found in: Dictionary, Thesaurus, Acronyms, Encyclopedia, Wikipedia.

fur·fu·ral

(fŭr'fyūr-ăl),
A colorless, aromatic, irritating fluid obtained in the distillation of bran with dilute sulfuric acid; used in the manufacture of medicinal agents.

furfural

/fur·fu·ral/ (fur´fu-ral) an aromatic compound from the distillation of bran, sawdust, etc., which irritates mucous membranes and causes photosensitivity and headaches.
References in periodicals archive ?
Furans and tetrahydrofurans have been widely researched on internal combustion engines.
Thus, these criteria fail for the systems decafluoropentane + tetrahydrofuran at 26.
Experimental gas-phase complexation enthalpies were found in the literature for dimethyl ether [14], diethyl ether [14], ethyl acetate [15], trimethylamine [16], trimethylphosphine [17], tetrahydropyran [18], tetrahydrofuran [18], and tetrahydrotiophene [19].
C(alpha), N-Dilithiophenylhydrazones were prepared in excess lithium diisopropylamide, {LDA), and condensed with ethyl oxanilates or ethyl oxamate to give C-acylated intermediates that could be isolated or cyclized directly with aqueous hydrochloric acid/ tetrahydrofuran (THF) to the targeted 1H-pyrazole-5-carbox-amides.
Methanol, n-butanol, ethyl acetate, acetone, and acetonitrile were gradient grade; absolute ethanol, tetrahydrofuran, n-hexane, butylated hydroxytoluene (BHT), and disodium sulfate were analytical grade and were obtained from Merck.
Among these new PAQs, the polymer prepared from phenyl-p-benzoquinone and 2-butyl-2-ethyl-1,5-pentanediamine had demonstrated good solubility in common organic solvents such as acetone, methylene chloride, methanol, tetrahydrofuran, methyl isobutyl ketone, dimethylsulfoxide, and dimethylformamide.
has been named executive director of several chemical associations managed by the Synthetic Organic Chemical Manufacturers Association's (SOCMA) Association Management Center: the Alkyl Amines Council, Chlorobenzene Producers Association, DiBasic Esters Group, Institute for Polyacrylate Absorbents, Personal Absorbent Products Council and Tetrahydrofuran Task Force.
After separation and purification, the acid is used as a chemical intermediate to produce BDO, tetrahydrofuran, n-methyl pyrrolidinone, and other chemical feedstocks.
Section] Samples were analyzed using graphite furnace atomic absorption spectroscopy, following dissolution of the plastic coating in tetrahydrofuran.
3g, added to assist organolithium formation) and tetrahydrofuran 25cm3) were placed in a 50cm3 quickfit conical flask equipped with a condenser (as a precaution against any excessive exotherm).
Merck, Germany), meso-stilbenediamine , sulphuric acid (98%), chloroform, n-hexane, tetrahydrofuran (THF) and dimethyl formamide (DMF) were obtained from (Fluka, Switerzerland).