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US 9,750,676 B2Granted
Basic amino acid derivative that demonstrates a gelling ability in a water system
AssigneeAjinomoto Co., Inc.
InventorsKenji Hanabusa, Masahiro Suzuki, Takanori Sugimoto
Life of this patent
Estimating the term…
Abstract
Provided is a compound capable of gelling various aqueous compositions containing salt, acid and the like. An amphoteric ion-type basic amino acid derivative represented by the formula (1A): wherein each substituent is as defined in DESCRIPTION, or a salt thereof.
Claims20
A compound represented by formula (1 A):
- wherein
- R1—CO— is an acyl group derived from an optionally substituted saturated or unsaturated fatty acid having 6 to 18 carbon atoms;
- R2 and R3 are each independently an optionally substituted saturated or unsaturated, straight chain or branched chain hydrocarbon group having 1 to 6 carbon atoms, or
- R2 and R3 form, together with the nitrogen atom to which they are bonded, an optionally substituted heterocycle;
- R4, R5, and R6 are each independently a hydrogen atom or an optionally substituted saturated or unsaturated, straight chain or branched chain hydrocarbon group having 1 to 6 carbon atoms;
- m is an integer of 1 to 20;
- n is an integer of 1 to 4;
- X is a sulfonic acid group or a carboxylic acid group;
- and
- Y is an optionally substituted saturated or unsaturated, straight chain or branched chain divalent hydrocarbon group having 1 to 8 carbon atoms,
- or a salt thereof.
8 more elements
A method of producing a compound represented by formula (1A):
- wherein
- R1—CO— is an acyl group derived from an optionally substituted saturated or unsaturated fatty acid having 6 to 18 carbon atoms;
- R2 and R3 are each independently an optionally substituted saturated or unsaturated, straight chain or branched chain hydrocarbon group having 1 to 6 carbon atoms, or
- R2 and R3 form, together with the nitrogen atom to which they are bonded, an optionally substituted heterocycle;
- R4, R5, and R6 are each independently a hydrogen atom or an optionally substituted saturated or unsaturated, straight chain or branched chain hydrocarbon group having 1 to 6 carbon atoms;
- m is an integer of 1 to 20;
- n is an integer of 1 to 4;
- X is a sulfonic acid group or a carboxylic acid group;
- and
- Y is an optionally substituted saturated or unsaturated, straight chain or branched chain divalent hydrocarbon group having 1 to 8 carbon atoms, or a salt thereof,
- said method comprising converting a compound represented by formula (2):
- wherein
- R1—CO— is an acyl group derived from an optionally substituted saturated or unsaturated fatty acid having 6 to 18 carbon atoms;
- R2 and R3 are each independently an optionally substituted saturated or unsaturated, straight chain or branched chain hydrocarbon group having 1 to 6 carbon atoms, or
- R2 and R3 form, together with the nitrogen atom to which they are bonded thereto, an optionally substituted heterocycle;
- R4 is a hydrogen atom or an optionally substituted saturated or unsaturated, straight chain or branched chain hydrocarbon group having 1 to 6 carbon atoms;
- m is an integer of 1 to 20;
- and
- n is an integer of 1 to 4,
- or a salt thereof,
- into said compound represented by formula (1A).
18 more elements
A compound, which is selected from the group consisting of:
- Nα-(11-(N-(3-sulfopropyl)-N,N-dimethylamino)-undecanoyl)-Nε-lauroyl-L-lysine ethyl ester,
- Nα-(11-(N-(3-sulfopropyl)-N,N-dimethylamino)-undecanoyl)-Nε-lauroyl-L-lysine methyl ester,
- Nα-(11-(N-(4-sulfopropyl)-N,N-dimethylamino)-undecanoyl)-Nε-lauroyl-L-lysine methyl ester,
- Nα-(11-(N-(4-sulfobutyl)-N,N-dimethylamino)-undecanoyl)-Nε-lauroyl-L-lysine ethyl ester,
- Nα-(11-(N-(carboxymethyl-N,N-dimethylamino)-undecanoyl)-Nε-lauroyl-L-lysine ethyl ester,
- Nα-(11-(N-(2-carboxyethyl)-N ,N -dimethylamino)-undecanoyl)-N ε-lauroyl-L-lysine ethyl ester,
- Nα-(11-(N-(3-carboxypropyl)-N,N-dimethylamino)-undecanoyl)-Nε-lauroyl-L-lysine ethyl ester, and
- Nα-(11-(N-(4-carboxybutyl)-N,N-dimethylamino)-undecanoyl)-Nεlauroyl-L-lysine ethyl ester,
- or a salt thereof.
6 more elements
Dependencies are inferred from the claim text.