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US 11,814,347 B2Granted
Method for producing fluorinated compounds
AssigneeMerck Patent GmbH
InventorsReiner Friedrich, Fabian Koch
Life of this patent
Estimating the term…
Abstract
The present invention relates to a process for the preparation of fluorinated compounds, to novel compounds containing fluorinated end groups, to the use thereof and to compositions comprising novel compounds containing fluorinated end groups.
Claims16
A compound of formula (I′)
- where
- Rf is CF3—(CF2)a—Ob—(CF2)c—Od—,
- a=1 or 2,
- b=1,
- c=0,
- d=0,
- R is a linear or branched alkyl or siloxane group, optionally containing one or more heteroatoms, or a group Rf′,
- Rf′ is a fluorinated, linear or branched alkyl group, optionally containing one or more heteroatoms,
- and, if R is a group Rf′, Rf and Rf′ are different,
- or
- of formula (VI′)
- where
- Rf is a fluorinated, linear or branched alkyl group, optionally containing one or more heteroatoms, R is a linear or branched alkyl or siloxane group, optionally containing one or more heteroatoms,
- L is a single bond or a divalent organic group, and
- X is a cationic, amphoteric or anionic group.
12 more elements
A compound of formula (I′)
- where
- Rf is CF3—(CF2)a—Ob—(CF2)c—Od—,
- a=1 or 2,
- b=1,
- c=0,
- d=0,
- R is a linear or branched alkyl or siloxane group, optionally containing one or more heteroatoms, or a group Rf′,
- Rf′ is a fluorinated, linear or branched alkyl group, optionally containing one or more heteroatoms,
- and, if R is a group Rf′, Rf and Rf′ are different.
6 more elements
A compound of formula (VI′)
- wherein
- Rf′ is of the following formula
- CF3—(CF2)a—Ob—(CF2)c—Od—(CR1R2)e—(CR3R4)f—Og—,
- where
- R1, R2, R3 and R4, independently of one another, are hydrogen or an alkyl group,
- a=0, 1, 2 or 3,
- b=0 or 1,
- c=0, 1, 2 or 3,
- d=0 or 1,
- e=0, 1, 2, 3 or 4,
- f=0, 1, 2, 3 or 4, and
- g=0 or 1,
- R is a linear or branched alkyl or siloxane group, optionally containing one or more heteroatoms, or a group Rf′,
- Rf′ is a fluorinated, linear or branched alkyl group, optionally containing one or more heteroatoms,
- L is a single bond or a divalent organic group, and
- X is a cationic, non-ionic, amphoteric or anionic group,
- and, if R is a group Rf′, Rf and Rf′ are different.
14 more elements
A compound of formula (VI′)
- wherein
- Rf is CF3—(CF2)0-3—,
- R is a linear or branched alkyl or siloxane group, optionally containing one or more heteroatoms, or a group Rf′,
- Rf′ is a fluorinated, linear or branched alkyl group, optionally containing one or more heteroatoms,
- L is a single bond or a divalent organic group and
- X is a cationic, non-ionic, amphoteric or anionic group
- and, if R is a group Rf′, Rf and Rf′ are different.
4 more elements
A method for preparing a compound of formula (VI)
- where
- Rf is a fluorinated, linear or branched alkyl group, optionally containing one or more heteroatoms,
- R is a linear or branched alkyl group, optionally containing one or more heteroatoms, or a group Rf′,
- Rf′ is a fluorinated, linear or branched alkyl group, optionally containing one or more heteroatoms,
- L is a single bond or a divalent organic group and
- X is a cationic, non-ionic, amphoteric or anionic group,
- comprising
- reacting a compound of formula (I)
- where
- Rf is a fluorinated, linear or branched alkyl group, optionally containing one or more heteroatoms,
- R is a linear or branched alkyl or siloxane group, optionally containing one or more heteroatoms, or a group Rf′, and
- Rf′ is a fluorinated, linear or branched alkyl group, optionally containing one or more heteroatoms.
9 more elements
Dependencies are inferred from the claim text.