REGIO 2016. 4. szám

Masthead: (Adv. Sci. 4/2016)

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Neuropsychopharmacologia Hungarica 2010. Xii. Évfolyam 1. Szám Epilepsy and Dependence

Epilepsy is relatively frequent neurological condition. Its prevalence is assumed to be about 1%, and it would be interesting to see how many of these people have comorbid substance dependence disorder. The manifestation of epilepsy exhibits a seizure-like condition with typical neurological and psychical symptoms, which are induced by pathological electric discharges in brain. The population o...

Photoinduced [4 + 4], [4 + 2], and [2 + 2] cycloadditions of o-quinones with oxazoles: chemo-, regio-, and diastereoselectivity.

Photoinduced reactions of the 1,2-dicarbonyl compounds phenanthrenequinone (PQ), 1-acetylisatin (IS), and benzil (BZ) with the oxazoles 1a-j have been investigated. In photoreactions of PQ with the oxazoles, in addition to the 1,4-dioxins derived from [4 + 2] cycloaddition and the oxetanes from the Paternó-Büchi [2 + 2] reactions, [4 + 4] cycloaddition products are formed in the reactions with ...

Regio- and stereospecific conversion of 4-alkylphenols by the covalent flavoprotein vanillyl-alcohol oxidase.

The regio- and stereospecific conversion of prochiral 4-alkylphenols by the covalent flavoprotein vanillyl-alcohol oxidase was investigated. The enzyme was active, with 4-alkylphenols bearing aliphatic side chains of up to seven carbon atoms. Optimal catalytic efficiency occurred with 4-ethylphenol and 4-n-propylphenols. These short-chain 4-alkylphenols are stereoselectively hydroxylated to the...

Studies of Regio- and Stereoselectivity