Chemical method, notation, classification, & nomenclature / by Auguste Laurent ; translated by William Odling.
- Auguste Laurent
- Date:
- 1855
Licence: Public Domain Mark
Credit: Chemical method, notation, classification, & nomenclature / by Auguste Laurent ; translated by William Odling. Source: Wellcome Collection.
380/414
![Acetate of aniline = C2II402 | CGH7N By subtraction of O H2 There remains acetanilide = C2Ii40 | CGH8N And by a further subtraction of O H2 There remains anilic acetalese C2H4 | CGH3N But as these formula? do not designate the genus of the diameride, I add to them a figure preceded by the minus sign ( —), which figure indicates the quantity of water eliminated, as in these examples:— Acetanilide .... = C2H4oTcgH5N Acetalese = C2H4 fcGH3N. In the second case we add the alkali, alcohol, hydrocarbon, &c., to the basic hydrogen of the acid, so as to form a salt of ammonium, anilum, alcoholum, hydrocarbum, &c., and then make the abstraction of water, as in the preceding case. Instead of separating the acid from the base by a septum, I now employ a parenthesis thus:— Acetate of ammonium C202H3 (H‘N) Acetamide C2OH3 (H2N) Acetalese C2H3 (N). This notation shows that all the amides have analogous formulas, and that it is the same with the diamides, amidic acids, &c..; thus Amides. C2OH3 (H2N) C2OH3 (CGIIGN) C2OH3 (C2H50) C OH1 (C2H50). Diamides. CO (II2]S) (H2N) or CO (H2N)2 CO (CGHGN)“(H2N) CO (C2Hr,0) (H2N) Acetamide Acetanilide Acetic ether Formic ether Carbamide , .. fanil-ammon. Carbamides j (ethyl-ammon](https://iiif.wellcomecollection.org/image/b28057351_0380.jp2/full/800%2C/0/default.jpg)
