METHOD FOR PRODUCING BINAPHTHYL CARBOXYLIC ACID

METHOD FOR PRODUCING BINAPHTHYL CARBOXYLIC ACID

A method for producing 2,2′-bis(carboxymethoxy)-1,1′-binaphthyl includes performing steps (i) to (iv) below in sequence using a 2,2′-bis(alkoxycarbonylmethoxy)-1,1′-binaphthyl as a starting material:(i) a hydrolysis reaction step,(ii) a step of distilling off a resulting alcohol represented by formu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SUTO, Takeru, SAKUMA, Daichi
Format: Patent
Sprache:eng
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:A method for producing 2,2′-bis(carboxymethoxy)-1,1′-binaphthyl includes performing steps (i) to (iv) below in sequence using a 2,2′-bis(alkoxycarbonylmethoxy)-1,1′-binaphthyl as a starting material:(i) a hydrolysis reaction step,(ii) a step of distilling off a resulting alcohol represented by formula (3) above from a reaction system,(iii) a step of acidifying a reaction solution, and(iv) a step of precipitating 2,2′-bis(carboxymethoxy)-1,1′-binaphthyl in the presence of an organic solvent.