The Carboxylation of Phenol Derivatives. VI
نویسندگان
چکیده
منابع مشابه
Regioselective Enzymatic Carboxylation of Phenols and Hydroxystyrene Derivatives
The enzymatic carboxylation of phenol and styrene derivatives using (de)carboxylases in carbonate buffer proceeded in a highly regioselective fashion: Benzoic acid (de)carboxylases selectively formed o-hydroxybenzoic acid derivatives, phenolic acid (de)carboxylases selectively acted at the β-carbon atom of styrenes forming (E)-cinnamic acids.
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A simple and straightforward method for the preparation of indole-3-carboxylic acids was discovered through the direct carboxylation of indoles with atmospheric pressure of carbon dioxide (CO(2)) under basic conditions. The key for the reaction was found to be the use of a large excess of LiO(t)Bu as a base to suppress the undesired decarboxylation side reaction.
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Phenols began to play a prominent role very early in modern operative medicine in the 1860s when Lister introduced his ‘antisepsis’ approach. The treatment of open wounds by carbolic acid dramatically reduced morbidity and mortality of surgical patients for the first time [1]. This central place in operative medicine was lost when, in the early 20th Century, ‘asepsis’ replaced ‘antisepsis’. The...
متن کاملInteraction of phenol derivatives with ion channels.
Phenols began to play a prominent role very early in modern operative medicine in the 1860s when Lister introduced his ‘antisepsis’ approach. The treatment of open wounds by carbolic acid dramatically reduced morbidity and mortality of surgical patients for the first time [1]. This central place in operative medicine was lost when, in the early 20th Century, ‘asepsis’ replaced ‘antisepsis’. The...
متن کاملCircular dichroism of nucleoside derivatives. VI. The optically active bands of adenine nucleoside derivatives.
The circular dichroism data on 17 adenine nucleosides show that the 260- and 207-mmu absorption systems of the adenine chromophore each contain at least two electronic transitions. The CD maxima are commonly found at around 260, 220, and 200 mmu, and occasionally at 240 mmu. Solvent studies suggest that these CD bands arise from pi-pi(*) transitions. A weak absorption band that obeys the McConn...
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ژورنال
عنوان ژورنال: Journal of Synthetic Organic Chemistry, Japan
سال: 1967
ISSN: 0037-9980,1883-6526
DOI: 10.5059/yukigoseikyokaishi.25.577