PROCESS FOR PRODUCE OF BENZOIC ACID
PROBLEM TO BE SOLVED: To provide a process for the produce of aromatic carboxylic acids or aromatic acid chlorides having substituents such as an alkoxy, a hydroxy, a formyloxy or an alkanoyloxy on the aromatic ring.SOLUTION: The process for the produce of the compound of formula (IV) includes the s...
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Main Authors | , , , , |
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Format | Patent |
Language | English |
Published |
27.12.2012
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Subjects | |
Online Access | Get full text |
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Summary: | PROBLEM TO BE SOLVED: To provide a process for the produce of aromatic carboxylic acids or aromatic acid chlorides having substituents such as an alkoxy, a hydroxy, a formyloxy or an alkanoyloxy on the aromatic ring.SOLUTION: The process for the produce of the compound of formula (IV) includes the steps of (i) reacting a compound having a halogen with magnesium metal under anhydrous conditions to form an intermediate compound, (ii) reacting the obtained intermediate compound with carbon dioxide to form a compound of formula (VIb) after hydrolysis, and (iii) reacting the compound of formula (VIb) with sodium hydroxide, or the like, to form a compound of formula (IV), wherein each X is independently chloro, bromo or iodo and R is a hydrogen atom, (C-C)alkyl, or the like, Ris aryl, aryl(C-C)alkyl, or the like. |
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Bibliography: | Application Number: JP20120179852 |