See also:

• FURFURANE (3r FURANE, C4H40, a colourless liquid boiling at 32° C., found in the distillation products of pine wood. It was first synthetically prepared by H. Limpricht (Ann., 1873, 165, p. 281)

FURFURANE (3r FURANE, C4H40, a colourless liquid boiling at 32° C., found in the See also:

• DISTILLATION (from the Lat. distillare, more correctly destillare, to drop or trickle down)

distillation products of See also:

• PINE (Lat. Pinus, Gr. srlrur)

pine See also:

• WOOD, ANTHONY A2 (1632-1695)
• WOOD, JOHN GEORGE (1827—1889)
• WOOD, MRS HENRY [ELLEN] (1814—1887)
• WOOD, SEARLES VALENTINE (1798—188o)

wood. It was first synthetically prepared by H. Limpricht (See also:

• ANN

Ann., 1873, 165, p. 281)  by distilling See also:

• BARIUM (symbol Ba, atomic weight 137'37 [0=16])

barium mucate with soda See also:

• LIME
• LIME (O. Eng. lim, Lat. limes, mud, from linere, to smear)

lime, pyromucic See also:

• ACID (from the Lat. root ac-, sharp; acere, to be sour)

acid C4H3O•See also:

• CO2H

CO2H being formed, which, on further loss of See also:

• CARBON (symbol C, atomic weight 12)

carbon dioxide, yielded See also:

• FURFURANE, (3r FURANE, C4H40, a colourless liquid boiling at 32° C., found in the distillation products of pine wood. It was first synthetically prepared by H. Limpricht (Ann., 1873, 165, p. 281)

furfurane . A . Henniger (See also:

• ANN

Ann. chim. phys., 1886 [2], 7, p . 220), by distilling erthyrite with formic acid, obtained a dihydrofurfurane C4H6(OH)4+2H2CO2= C4H60+CO+See also:

• CO2

CO2+4H2O, which, on treatment with See also:

• PHOSPHORUS (Gr. 4ws, light, sPEpety, to bear)

phosphorus pentachloride, yielded furfurane . Furfurane is insoluble in See also:

• WATER

water and possesses a characteristic See also:

• SMELL (connected etymologically with " smoulder " and " smoke ")

smell . It does not react with See also:

• SODIUM [symbol Na, from Lat. natrium; atomic weight 23.00 (0=16)]

sodium or with phenylhydrazine, but yields dye-stuffs with See also:

• ISATIN, C8H5NO2

isatin and phenan- threnequinone . It reacts violently with hydrochloric acid, producing a See also:

• BROWN
• BROWN, CHARLES BROCKDEN (1771-181o)
• BROWN, FORD MADOX (1821-1893)
• BROWN, FRANCIS (1849- )
• BROWN, GEORGE (1818-188o)
• BROWN, HENRY KIRKE (1814-1886)
• BROWN, JACOB (1775–1828)
• BROWN, JOHN (1715–1766)
• BROWN, JOHN (1722-1787)
• BROWN, JOHN (1735–1788)
• BROWN, JOHN (1784–1858)
• BROWN, JOHN (1800-1859)
• BROWN, JOHN (1810—1882)
• BROWN, JOHN GEORGE (1831— )
• BROWN, ROBERT (1773-1858)
• BROWN, SAMUEL MORISON (1817—1856)
• BROWN, SIR GEORGE (1790-1865)
• BROWN, SIR JOHN (1816-1896)
• BROWN, SIR WILLIAM, BART
• BROWN, THOMAS (1663-1704)
• BROWN, THOMAS (1778-1820)
• BROWN, THOMAS EDWARD (1830-1897)
• BROWN, WILLIAM LAURENCE (1755–1830)

brown amorphous substance . Methyl and phenyl derivatives have been prepared by C . Paal (Ber., 1884, 17, p . 915) . Paal prepared acetonyl See also:

• ACETOPHENONE

acetophenone by condensing sodium acetoacetate with phenacylbromide, and this substance on dehydration yields aa'-phenylmethylfurfurane, the acetonyl acetophenone probably reacting in the tautomeric " enolic "See also:

• FORM (Lat. forma)

form, See also:

• CH3

CH3•CO•CHNa•COOR-I-See also:

• C6H6

C6H6•CO•CH2Br = CH3•CO•CH(CH20006H6)•COOR . This ester readily hydrolyses, and the acid formed yields acetonyl acetophenone (by loss of carbon dioxide), which then on de-hydration yields the furfurane derivative, thus CH—CH CH—CH CH3•C<OH HO>C.C6H1=See also:

• H2O (combined)

H2O-f-CH3•C< O>C.C6HE .

L . Knorr (Ber., 1889, 22, p . 158) obtained diacetosuccinic ester by condensing sodium acetoacetate with See also:

• IODINE (symbol I, atomic weight '26.92)

iodine, and by de-hydrating the ester he prepared aa'-dimethylfurfurane f3,6'-dicarboxylic acid (carbopyrotritaric acid), which on See also:

• DISTILLATION (from the Lat. distillare, more correctly destillare, to drop or trickle down)

distillation yields aa'-dimethylfurfurane as a liquid boiling at 94° C . Paal also obtained this See also:

• COMPOUND
• COMPOUND (from Lat. componere, to combine or put together)

compound by using monochloracetone in the See also:

• PLACE (through Fr. from Lat. platea, street; Gr. IrAar6s, wide)

place of phenacylbromide . By the distillation of mucic acid or isosaccharic acid, furfurane-a-carboxylic acid (pyromucic acid), C4H3O•CO2H, is obtained; it crystallizes in needles or leaflets, and melts at 134° C . Furfurol (furol), C4H3O •CHO, is the aldehyde of pyromucic acid, and is formed on distilling See also:

• BRAN

bran, See also:

• SUGAR

sugar, See also:

• WOOD, ANTHONY A2 (1632-1695)
• WOOD, JOHN GEORGE (1827—1889)
• WOOD, MRS HENRY [ELLEN] (1814—1887)
• WOOD, SEARLES VALENTINE (1798—188o)

wood and most carbohydrates with dilute sulphuric acid, or by distilling the pentoses with hydrochloric acid . It is a colourless liquid which boils at 162° C., and is moderately soluble in water; it turns brown on exposure to See also:

• AIR (from an Indo-European root meaning " breathe," " blow ")
• AIR, or ASBEN

air and has a characteristic aromatic smell . It shows all the usual properties of an aldehyde, forming a bisulphite compound, an oxime and a See also:

• HYDRAZONE

hydrazone; whilst it can be reduced to the corresponding furfuryl See also:

• ALCOHOL

alcohol by means of sodium See also:

• AMALGAM

amalgam, and oxidized to pyromucic acid by means of See also:

• SILVER

silver See also:

• OXIDE

oxide .