US 6,353,125 B1Granted

Perfluoro-n-alkylsulfonic acid derivatives

AssigneeMerck Patent GmbH

InventorsAndreas Wächtler, Karl-Heinz Derwenskus, Andreas Meudt

Life of this patent

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Abstract

Described are bis(perfluoro-n-alkane-sulfonate) compounds, methods for preparing these compounds and use of these compounds, for example as starting materials for the synthesis of chiral and phosphine ligands for transition metal catalysts.

Claims17

Dependent claims

A bis(perfluoro-n-alkanesulfonate) compound of the formula I:

where
n is 3, 4, 5, 6, 7, 8 or 9,
where
R is alkyl or alkoxy having from 1 to 12 carbon atoms, halogen, —CN, —CF3, —OCF3 or unsubstituted phenyl or phenyl which is monosubstituted or polysubstituted by alkyl or alkoxy having from 1 to 12 carbon atoms, halogen or —CN, where if more than one R is present the substituents R may be identical or different.

1 more element

Dependencies are inferred from the claim text.

Facts

Application: 09/600,295Filed 25 Sep 2000
Priority: DE 198 01 24815 Jan 1998
Granted: 5 Mar 2002
Term ends: Not estimatedThe source records don’t support an estimate.

Classification5 codes

C07F 9/5072
From compounds having the structure P-H or P-Heteroatom, in which one or more of such bonds are converted into P-C bonds: from starting materials…
C07C 309/65
Having sulfur atoms of esterified sulfo groups bound to acyclic carbon atoms: of a saturated carbon skeleton
C07F 9/5068
From compounds having the structure P-H or P-Heteroatom, in which one or more of such bonds are converted into P-C bonds: from starting materials…
C07F
Acyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen

Family

No related US applications are recorded in the indexed filing history.

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