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NaBArF 4 can also be used for deprotection of acetal or ketal-protected carbonyl compounds. [ 6 ] [ 7 ] For example, deprotection of 2-phenyl-1,3-dioxolane to benzaldehyde can be achieved in water in five minutes at 30 °C.
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 ]
This page contains tables of azeotrope data for various binary and ternary mixtures of solvents. The data include the composition of a mixture by weight (in binary azeotropes, when only one fraction is given, it is the fraction of the second component), the boiling point (b.p.) of a component, the boiling point of a mixture, and the specific gravity of the mixture.
Generic structure of acetals. In organic chemistry, an acetal is a functional group with the connectivity R 2 C(OR') 2.Here, the R groups can be organic fragments (a carbon atom, with arbitrary other atoms attached to that) or hydrogen, while the R' groups must be organic fragments not hydrogen.
1,1-Diethoxyethane (acetaldehyde diethyl acetal) is a major flavoring component of distilled beverages, especially malt whisky [3] and sherry. [4] Although it is just one of many compounds containing an acetal functional group, this specific chemical is sometimes called simply acetal .
[2]: 4 [4] It is predominantly used as a precursor to trimethylolethane (CH 3 C(CH 2 OH) 3) through a condensation reaction with formaldehyde. This triol is an important intermediate in the production of alkyd resins. It is used in the synthesis of several common aroma compounds (cyclamen aldehyde, helional, lilial). [2]
1,4-Butanediol: GHB and Gamma-Butyrolactone: Cyclohexanone: phencyclidine Diethylamine and its salts lysergic acid diethylamide ethyl 3-oxo-4-phenylbutanoate phenylacetone: ethyl-3-(1,3-benzodioxol-5-yl)-2-methyloxirane-2-carboxylate (MDP2P ethyl glycidate) MDMA: Formamide: amphetamine, methamphetamine Formic acid: amphetamine, methamphetamine
This reaction uses a benzaldehyde and aminoacetoaldehyde diethyl acetal, which in an acid medium react to form isoquinoline. [10] Alternatively, benzylamine and a glyoxal acetal can be used, to produce the same result using the Schlittler-Müller modification. [11] Several other methods are useful for the preparation of various isoquinoline ...