Naming, acid anhydrides phenols

The reaction between a phenol and an unsaturated acid or a derivative in the presence of a Lewis acid has also been widely used for the preparation of chroman-4-ones. The solvents employed are generally those utilized in the previous method, namely carbon disulfide or nitrobenzene, but a wider range of catalysts has been used. There is also a greater choice in the unsaturated component, the acid, acid chloride and acid anhydride being especially valuable. 

Liebermann discovered the reaction between nitrous acid and phenols and secondary amines named after him. He prepared amino-naphthols from nitro-naphthols, synthesised the dihydroxyanthraquinones anthrarufin and chrysazin, and studied the reduction of anthraquinone. Another dihydroxy-anthraquinone, quinizarin, was discovered by F. Grimm by heating hydro-quinone with phthalic anhydride. 

Phenolphthalein. Alophen, Ex-Lax, Feen-a-Miat, Modane, and Phenolax are trade names for phenolphthaleia [77-09-8] (3,3-bis(4-hydroxyphen5l)-l-(3ff)-l isobensofuranone) (10). It is a white or faintiy yellowish white crystalline powder, odorless and stable ia air, and practically iasoluble ia water one gram is soluble ia 15 mL alcohol and 100 mL diethyl ether. Phenolphthaleia may be prepared by mixing phenol, phthaHc anhydride, and sulfuric acid, and heating at 120°C for 10—12 h. The product is extracted with boiling water, then the residue dissolved ia dilute sodium hydroxide solution, filtered, and precipitated with acid. 

Name an aromatic compound, a phenol, an aldehyde, a ketone, a carboxylic acid, an acid chloride, an anhydride, an ester, an amide, a nitrile, and a carboxylic acid salt. (Problems 12.21, 12.31, and 12.33)... 

The major journals of greatest circulation must present that information which is of greatest interest to most readers. Such chemicals are easily named soda ash, caustic soda, the mineral acids, benzene, phthalic anhydride, aniline, phenol (90 are given in Table I). About 59% of all market news relates to these 90 chemicals. Almost any three of the ten leading journals will contribute information on most of them. The industry report of the Office of Domestic Commerce, Chemicals and Drugs, and the Facts for Industry series of the Tariff Commission and the Bureau of the Census will also contribute information. 

Substances discovered by Gerhardt include cumene, cuminol as the aldehyde of cumic acid, and cymene, styrene, anilides, sulphanilic acid, acetanilide, and the anhydrides of monobasic organic acids (1852, see p. 454). He introduced the names phenol, borneol, and glucoside. After Laurent s work on phenol (see p. 389) Gerhardt prepared it by heating salicylic acid with lime and showed that it is not a true acid (acide phenisique) but is related to the alcohols. In his work on anilides he represented oxamide, which the discoverer Dumas had correctly formulated as an amide, + N H, as containing the imide group NH, viz. + = +... 

Name given to synthetic, thermosetting resins processed from polyhydric alcohols and polybasic acid or anhydrides. These unsaturated polyesters are prepared by esterification of a polyfunctional alcohol (e.g., glycerin) with phthalic anhydride in combination with fatty acids or rosin acids (molecular weight about 2,000 to 5,000). These resins are frequently modified by incorporation of, e.g., nitrocellulose, NC, or phenolics. AUcyds are used mainly as lacquers. 

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