US 8,772,547 B2Granted

Method for producing 1-adamantyl trimethylammonium hydroxide

AssigneeBASF SE

InventorsChristof Wilhelm Wigbers, Martin Ernst, Laszlo Szarvas, Giovanni D'Andola, Ellen Dahlhoff, Gabriele Iffland, Peter Raatz, Falk Simon, Matthias Frauenkron

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Abstract

The present invention relates to a process for preparing 1-adamantyltrimethylammonium hydroxide, by A) reacting 1-adamantyldimethylamine with dimethyl sulfate to give 1-adamantyltrimethylammonium sulfate; and B) subjecting the 1-adamantyltrimethylammonium sulfate obtained in A) to anion exchange with an ion exchanger loaded with OH ions.

Claims20

Dependent claims

A process for preparing 1-adamantyltrimethylammonium hydroxide, comprising:

A) reacting 1-adamantyldimethylamine with dimethyl sulfate to give 1-adamantyltrimethylammonium sulfate;
and
B) subjecting the 1-adamantyltrimethylammonium sulfate obtained in A) to anion exchange with an ion exchanger loaded with OH ions.

Dependencies are inferred from the claim text.

Facts

Application: 13/255,805Filed 11 Mar 2010
Priority: EP 0915501612 Mar 2009
Published: US 2012/0010431 A112 Jan 2012
Granted: 8 Jul 2014
Term ends: Not estimatedThe source records don’t support an estimate.

Classification5 codes

C07C 211/63
Quaternary ammonium compounds: having quaternised nitrogen atoms bound to acyclic carbon atoms
C07C 209/00
Preparation of compounds containing amino groups bound to a carbon skeleton
C07C 209/26
By reductive alkylation of ammonia, amines or compounds having groups reducible to amino groups, with carbonyl compounds: by reduction with hydrogen
C07C 2603/74
Containing only six-membered rings: adamantanes

Family

US 2012/0010431 A1Pre-grant publication · published 12 Jan 2012
US 8,772,547 B2This patent

From the US filing history. Foreign family members aren’t listed.

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