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Benzamide is an organic compound with the chemical formula of C 7 H 7 NO. It is the simplest amide derivative of benzoic acid. In powdered form, it appears as a white solid, while in crystalline form, it appears as colourless crystals. [5] It is slightly soluble in water, [2] and soluble in many organic solvents. [6]
Benzonitrile is a useful solvent and a versatile precursor to many derivatives. It reacts with amines to afford N-substituted benzamides after hydrolysis. [3] It is a precursor to diphenylmethanimine via reaction with phenylmagnesium bromide followed by methanolysis.
Benzamidine is an organic compound with the formula C 6 H 5 C(NH)NH 2. It is the simplest aryl amidine. The compound is a white solid that is slightly soluble in water. It is usually handled as the hydrochloride salt, a white, water-soluble solid. [2]
Benzaldehyde oxime undergoes Beckmann rearrangement to form benzamide, catalyzed by nickel salts [3] or photocatalyzed by BODIPY. [4] Its dehydration yields benzonitrile. It can be hydrolyzed to regenerate benzaldehyde. [5]
3-Nitrobenzoic acid is an organic compound with the formula C 6 H 4 (NO 2)CO 2 H. It is an aromatic compound and under standard conditions, it is an off-white solid. The two substituents are in a meta position with respect to each other, giving the alternative name of m-nitrobenzoic acid.
Molar mass: 257.114 g·mol −1 Appearance pale yellow Melting point: 228.7 °C (Decomposes) ... 2,4,6-trinitrobenzoic acid undergoes decarboxylation to give 1,3,5 ...
Molar mass: 139.15 g/mol Appearance White solid Density: 1.26 g/cm 3: Melting point: ... Ammonium benzoate can be dehydrated to form benzamide. References
They can be formed by condensing ortho-diamines with 1,2-diketones. The parent substance of the group, quinoxaline, results when glyoxal is condensed with 1,2-diaminobenzene . [ 4 ] Substituted derivatives arise when α-ketonic acids , α-chlorketones, α- aldehyde alcohols and α-ketone alcohols are used in place of diketones. [ 3 ]