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For example, n-propylbenzene is oxidized to propiophenone, benzyl methyl ketone, and several chlorinated products, with benzyl methyl ketone being the major product. [ 7 ] [ 8 ] Another example arises from the Étard reaction of trans- decalin which results in a mixture of trans-9-decalol, spiro [4.5]decan-6-one, trans-1-decalone, cis-1 ...
Ephedrine works by inducing the release of norepinephrine and hence indirectly activating the α-and β-adrenergic receptors. [11] Chemically, ephedrine is a substituted amphetamine and is the (1R,2S)-enantiomer of β-hydroxy-N-methylamphetamine. [14] Ephedrine was first isolated in 1885 and came into commercial use in 1926.
L-pac produced by biotransformation of benzaldehyde Phenylacetylcarbinol ( PAC ) is an organic compound that has two enantiomers , one with R- and one with S-configuration. (R)-PAC, which is commonly called l -PAC , is known as a precursor in the synthesis of pharmaceuticals such as ephedrine and pseudoephedrine .
This synthesis was a by-product of a search for ephedrine, a bronchodilator used to treat asthma extracted exclusively from natural sources. Over-the-counter use of substituted amphetamines was initiated in the early 1930s by the pharmaceutical company Smith, Kline & French (now part of GlaxoSmithKline ), as a medicine ( Benzedrine ) for colds ...
Diagnostic impurities are the naphthalenes 1-benzyl-methylnaphthalene and 1,3-dimethyl-2-phenylnaphthalene, [108] arising in the Nagai and Leuckart routes, and cis-or trans-1,2-dimethyl-3-phenylaziridine, ephedrine, or erythro-3,4-dimethyl- 5-phenyloxazolidine, arising in the Nagai and Emde routes; these are absent in the reductive amination ...
Amygdalin 2 H 2 O HCN benzaldehyde 2 × glucose 2 × Benzaldehyde contributes to the scent of oyster mushrooms (Pleurotus ostreatus). Reactions Benzaldehyde is easily oxidized to benzoic acid in air at room temperature, causing a common impurity in laboratory samples. Since the boiling point of benzoic acid is much higher than that of benzaldehyde, it may be purified by distillation. Benzyl ...
Benzyl cyanide: phenylacetic acid, phenylacetone, amphetamine: Ephedrine, its salts, optical isomers, and salts of optical isomers methamphetamine: Ergonovine and its salts lysergic acid diethylamide: Ergotamine and its salts lysergic acid diethylamide: N-Acetylanthranilic acid, its esters, and its salts methaqualone
[6] [1] It is the 4-fluoro analogue of ephedrine. [6] [1] The synthesis of 4-fluoroephedrine has been described. [7] It can serve as a precursor in the synthesis of 4-fluoromethamphetamine (4-FMA). [3] The predicted log P of 4-fluoroephedrine is 1.0. [6] For comparison, the predicted log P of ephedrine is 0.9. [8]