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4-tert-Butylbenzaldehyde is notable as a rare example of industrial-scale electrochemistry. It is produced by BASF and Givaudan (typically as its methanol acetal) through a double anodic oxidation of 4-tert-butyltoluene on greater than 10,000 ton per year scale. [2] [3]
The resulting product, diethyl 3,5-dimethylpyrrole-2,4-dicarboxylate, has been called Knorr's Pyrrole ever since. In the Scheme above, R 2 = COOEt, and R 1 = R 3 = Me represent this original reaction. Knorr's pyrrole can be derivatized in a number of useful manners. One equivalent of sodium hydroxide will saponify the 2-ester selectively.
Butyraldehyde, also known as butanal, is an organic compound with the formula CH 3 (CH 2) 2 CHO. This compound is the aldehyde derivative of butane . It is a colorless flammable liquid with an unpleasant smell.
Benzaldehyde (C 6 H 5 CHO) is an organic compound consisting of a benzene ring with a formyl substituent. It is among the simplest aromatic aldehydes and one of the most industrially useful. It is a colorless liquid with a characteristic almond -like odor , and is commonly used in cherry -flavored sodas . [ 5 ]
3-Bromobenzaldehyde [2] 4-Bromobenzaldehyde [3] [4] Structure Molecular formula: C 7 H 5 BrO (BrC 6 H 4 COH) Molar mass: 185.020 g/mol Appearance colorless liquid colorless liquid white solid CAS number [6630-33-7] [3132-99-8] [1122-91-4] Properties Density and phase: 1.585 g/ml, liquid 1.587 g/ml, liquid solid Solubility in water: practically ...
The acetal formed from formaldehyde (two hydrogens attached to the central carbon) is sometimes called a formal [4] or the methylenedioxy group. The acetal formed from acetone is sometimes called an acetonide. Formaldehyde forms Paraldehyde and 1,3,5-Trioxane.
Aminoacetaldehyde is the organic compound with the formula OHCCH 2 NH 2.Under the usual laboratory conditions, it is unstable, tending instead to undergo self-condensation. [1]
Isobutyraldehyde is the chemical compound with the formula (CH 3) 2 CHCHO. It is an aldehyde, isomeric with n-butyraldehyde (butanal). [1] Isobutyraldehyde is made, often as a side-product, by the hydroformylation of propene. Its odour is described as that of wet cereal or straw. It undergoes the Cannizzaro reaction even though it has alpha ...