ADENINE  , or 6-AMINO-See also:

• PURIN, C5H4N4

PURIN, C5H5N5, in See also:

• CHEMISTRY
• CHEMISTRY (formerly "chymistry"; Gr. xvµela; for derivation see ALCHEMY)

chemistry, a basic substance which has been obtained as a decomposition product of nuclein, and also from the pancreatic glands of oxen . It has been synthesized by E . See also:

• FISCHER
• FISCHER, EMIL (1852– )
• FISCHER, ERNST KUNO BERTHOLD (1824–1907)

Fischer (Berichte, 1897, 30, p . 2238) by See also:

• HEATING

heating 2.6.8-trichlorpurin with to times its See also:

• WEIGHT

weight of See also:

• AMMONIA (NH3)

ammonia for six See also:

• HOURS, CANONICAL

hours at roo° C.; by this means 6-amino-2.8-dichlorpurin is obtained, which on reduction by means of hydriodic See also:

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

acid and phosphonium iodide is converted into adenine . In 1898 E . Fischer also obtained it from 8-oxy-2.6-dichlorpurin ,Berichte, 1898, 31, p . 104) . It crystallizes in See also:

• LONG, GEORGE (1800-1879)
• LONG, JOHN DAVIS (1838– )

long needles; forms salts C5H5N5.2HI and (C5H5N5)2.HsSO4.2H20, and is converted by nitrous acid into hypoxanthine or 6-oxypurin . On heating with hydrochloric acid at 18o-2oo° C. it is decomposed; the products of the reaction being glycocoll, ammonia, formic acid and See also:

• CARBON (symbol C, atomic weight 12)

carbon dioxide . Various methyl derivatives of adenine have been described by E . Fischer (Berichte, 1898, 31, p . 104) and by M .

See also:

• KRUGER, STEPHANUS JOHANNES PAULUS (1825-1904)

Kruger (Zeit. See also:

• FUR (connected with O. Fr. forre, a sheath or case; so " an outer covering ")

fur physiol . Chemie, 1894, 18, p . 434) . For the constitution of adenine see PURIN .