WO2022122264A1 - Lactam composition and use - Google Patents
Lactam composition and use Download PDFInfo
- Publication number
- WO2022122264A1 WO2022122264A1 PCT/EP2021/080766 EP2021080766W WO2022122264A1 WO 2022122264 A1 WO2022122264 A1 WO 2022122264A1 EP 2021080766 W EP2021080766 W EP 2021080766W WO 2022122264 A1 WO2022122264 A1 WO 2022122264A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lactam
- hydrogen
- composition
- composition according
- ethyl levulinate
- Prior art date
Links
- 150000003951 lactams Chemical class 0.000 title claims abstract description 64
- 239000000203 mixture Substances 0.000 title claims abstract description 62
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000002904 solvent Substances 0.000 claims abstract description 31
- GMEONFUTDYJSNV-UHFFFAOYSA-N Ethyl levulinate Chemical compound CCOC(=O)CCC(C)=O GMEONFUTDYJSNV-UHFFFAOYSA-N 0.000 claims abstract description 23
- JWUJQDFVADABEY-UHFFFAOYSA-N 2-methyltetrahydrofuran Chemical compound CC1CCCO1 JWUJQDFVADABEY-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000001580 bacterial effect Effects 0.000 claims abstract description 7
- 238000002560 therapeutic procedure Methods 0.000 claims abstract description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 24
- 239000001257 hydrogen Substances 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 14
- 125000003118 aryl group Chemical group 0.000 claims description 12
- 239000004094 surface-active agent Substances 0.000 claims description 12
- 125000000217 alkyl group Chemical group 0.000 claims description 11
- 125000001072 heteroaryl group Chemical group 0.000 claims description 10
- 125000000623 heterocyclic group Chemical group 0.000 claims description 10
- 150000002431 hydrogen Chemical class 0.000 claims description 10
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 9
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 9
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 8
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 7
- 125000003342 alkenyl group Chemical group 0.000 claims description 6
- 125000003545 alkoxy group Chemical group 0.000 claims description 6
- 239000002736 nonionic surfactant Substances 0.000 claims description 6
- 125000005188 oxoalkyl group Chemical group 0.000 claims description 6
- 125000004198 2-fluorophenyl group Chemical group [H]C1=C([H])C(F)=C(*)C([H])=C1[H] 0.000 claims description 5
- 125000004179 3-chlorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C(Cl)=C1[H] 0.000 claims description 5
- 125000004800 4-bromophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1Br 0.000 claims description 5
- 125000001255 4-fluorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1F 0.000 claims description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
- 125000002091 cationic group Chemical group 0.000 claims description 5
- 229910052736 halogen Inorganic materials 0.000 claims description 5
- 150000002367 halogens Chemical class 0.000 claims description 5
- 125000003854 p-chlorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1Cl 0.000 claims description 5
- 125000001037 p-tolyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 claims description 5
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 4
- -1 mono-substituted phenyl group Chemical group 0.000 claims description 4
- 239000002280 amphoteric surfactant Substances 0.000 claims description 3
- 125000000129 anionic group Chemical group 0.000 claims description 3
- 239000003945 anionic surfactant Substances 0.000 claims description 3
- 239000003093 cationic surfactant Substances 0.000 claims description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 239000004753 textile Substances 0.000 claims description 2
- 239000002023 wood Substances 0.000 claims description 2
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 36
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 18
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 12
- 239000007787 solid Substances 0.000 description 11
- 239000000243 solution Substances 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- 238000002360 preparation method Methods 0.000 description 7
- IAZDPXIOMUYVGZ-WFGJKAKNSA-N Dimethyl sulfoxide Chemical compound [2H]C([2H])([2H])S(=O)C([2H])([2H])[2H] IAZDPXIOMUYVGZ-WFGJKAKNSA-N 0.000 description 6
- 238000001914 filtration Methods 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- 238000005160 1H NMR spectroscopy Methods 0.000 description 5
- YSZWLEFVAJQHJS-UHFFFAOYSA-N 5-methylidene-4-(4-methylphenyl)pyrrol-2-one Chemical compound C1=CC(C)=CC=C1C1=CC(=O)NC1=C YSZWLEFVAJQHJS-UHFFFAOYSA-N 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- KZMGYPLQYOPHEL-UHFFFAOYSA-N Boron trifluoride etherate Chemical compound FB(F)F.CCOCC KZMGYPLQYOPHEL-UHFFFAOYSA-N 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 4
- 239000012044 organic layer Substances 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 4
- 238000004704 ultra performance liquid chromatography Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- PZQOWENOZPCUSJ-UHFFFAOYSA-N 4-(4-chlorophenyl)-5-hydroxy-5-methyl-1H-pyrrol-2-one Chemical compound CC1(O)NC(=O)C=C1C1=CC=C(Cl)C=C1 PZQOWENOZPCUSJ-UHFFFAOYSA-N 0.000 description 3
- OVLMWAKWSBFBBQ-UHFFFAOYSA-N 4-(4-chlorophenyl)-5-hydroxy-5-methylfuran-2-one Chemical compound CC1(O)OC(=O)C=C1C1=CC=C(Cl)C=C1 OVLMWAKWSBFBBQ-UHFFFAOYSA-N 0.000 description 3
- HHCPGPHTKXVNHA-UHFFFAOYSA-N 4-(4-chlorophenyl)-5-methylidenepyrrol-2-one Chemical compound C1=CC(Cl)=CC=C1C1=CC(=O)NC1=C HHCPGPHTKXVNHA-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000005457 ice water Substances 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 241000894007 species Species 0.000 description 3
- JOOXCMJARBKPKM-UHFFFAOYSA-N 4-oxopentanoic acid Chemical compound CC(=O)CCC(O)=O JOOXCMJARBKPKM-UHFFFAOYSA-N 0.000 description 2
- CPAOXJPVYYJEAF-UHFFFAOYSA-N 5-hydroxy-5-methyl-4-(4-methylphenyl)-1H-pyrrol-2-one Chemical compound CC1=CC=C(C=C1)C1=CC(=O)NC1(C)O CPAOXJPVYYJEAF-UHFFFAOYSA-N 0.000 description 2
- JTBGHWGTJYXHMI-UHFFFAOYSA-N 5-hydroxy-5-methyl-4-(4-methylphenyl)furan-2-one Chemical compound CC1=CC=C(C=C1)C1=CC(=O)OC1(C)O JTBGHWGTJYXHMI-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 239000008346 aqueous phase Substances 0.000 description 2
- 239000012267 brine Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000006071 cream Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 229960001760 dimethyl sulfoxide Drugs 0.000 description 2
- 230000032050 esterification Effects 0.000 description 2
- 238000005886 esterification reaction Methods 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- MOOYVEVEDVVKGD-UHFFFAOYSA-N oxaldehydic acid;hydrate Chemical compound O.OC(=O)C=O MOOYVEVEDVVKGD-UHFFFAOYSA-N 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000012047 saturated solution Substances 0.000 description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- WEJRYKSUUFKMBC-UHFFFAOYSA-N 1-(4-chlorophenyl)propan-2-one Chemical compound CC(=O)CC1=CC=C(Cl)C=C1 WEJRYKSUUFKMBC-UHFFFAOYSA-N 0.000 description 1
- NOXKUHSBIXPZBJ-UHFFFAOYSA-N 1-(4-methylphenyl)propan-2-one Chemical compound CC(=O)CC1=CC=C(C)C=C1 NOXKUHSBIXPZBJ-UHFFFAOYSA-N 0.000 description 1
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 1
- JOOXCMJARBKPKM-UHFFFAOYSA-M 4-oxopentanoate Chemical class CC(=O)CCC([O-])=O JOOXCMJARBKPKM-UHFFFAOYSA-M 0.000 description 1
- 240000000111 Saccharum officinarum Species 0.000 description 1
- 235000007201 Saccharum officinarum Nutrition 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 150000003950 cyclic amides Chemical class 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000003818 flash chromatography Methods 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000002198 insoluble material Substances 0.000 description 1
- 229940058352 levulinate Drugs 0.000 description 1
- 229940040102 levulinic acid Drugs 0.000 description 1
- 150000004730 levulinic acid derivatives Chemical class 0.000 description 1
- 239000002029 lignocellulosic biomass Substances 0.000 description 1
- BCVXHSPFUWZLGQ-UHFFFAOYSA-N mecn acetonitrile Chemical compound CC#N.CC#N BCVXHSPFUWZLGQ-UHFFFAOYSA-N 0.000 description 1
- COTNUBDHGSIOTA-UHFFFAOYSA-N meoh methanol Chemical compound OC.OC COTNUBDHGSIOTA-UHFFFAOYSA-N 0.000 description 1
- SKTCDJAMAYNROS-UHFFFAOYSA-N methoxycyclopentane Chemical compound COC1CCCC1 SKTCDJAMAYNROS-UHFFFAOYSA-N 0.000 description 1
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 125000006413 ring segment Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/36—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom five-membered rings
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/02—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing liquids as carriers, diluents or solvents
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
- A01N25/30—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests characterised by the surfactants
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P1/00—Disinfectants; Antimicrobial compounds or mixtures thereof
Definitions
- the invention relates to an improvement in the field of hygiene, in particular to a composition comprising a lactam which displays improved solubility of the lactam.
- Hygiene in particular inhibition of bacterial species, is important to consumers.
- Lactams are known as inhibitors of bacterial species. They may be applied to surfaces to inhibit bacterial species.
- the resulting formulation displays improving solubility of the lactam.
- the resulting compositions can provide improved bacterial inhibition to a surface that the lactam composition is applied to.
- the invention relates in a first aspect to a composition
- a composition comprising:-
- a solvent selected from: 2-methyltetrahydrofuran, ethyl levulinate, and ethyl levulinate glycerol ketal (LGK); or mixtures thereof; or mixtures thereof.
- lactam is of formula (I) or (II):
- R1 and R2 are each independently selected from hydrogen, halogen, alkyl, cycloalkyl, alkoxy, oxoalkyl, alkenyl, heterocyclyl, heteroaryl, aryl and aralalkyl;
- R4 and R5 are independently selected from hydrogen, aryl, heterocyclyl, heteroaryl, and arylalkyl;
- Re is selected from hydrogen and methyl
- the lactam of formula (I) or (II), R1, R4 and R5 are H; R3 is H, or (CH2) n N + (CH3)3, where n is an integer from 1 to 16, preferably 2 to 8; and R2 is a phenyl group, or a monosubstituted phenyl group; preferably R2 is selected from phenyl, 4-fluorophenyl, 2- fluorophenyl, 4-chlorophenyl, 3-chlorophenyl, 4-bromophenyl and 4-methylphenyl.
- the lactam is a lactam selected from:
- lactam is selected from:
- lactam is: -chlorophenyl)-5-methylene-pyrrol-2-one
- the lactam is delivered from an aqueous based composition, preferably comprising from 0.1 to 99 wt.%, preferably from 0.5 to 98 wt.%, more preferably from 1 to 98 wt.% water.
- the most preferred solvents are: 2-methyltetrahydrofuran, ethyl levulinate, and ethyl levulinate glycerol ketal (LGK).
- the solvent is present at a level of from 0.5 to 95 wt.%, preferably from 0.5 to 90 wt.%, more preferably from 0.5 to 80 wt.%.
- the solvent may be present at a lowest level of from 0.5 wt.%, 0.75 wt.%, 1 wt.%, 1.5 wt.%, 2 wt.%, 2.5 wt.% or even 5 wt.%.
- the solvent may be present at a highest level of from 95 wt.%, 90 wt.%, 85 wt.%, 80 wt.%, 70 wt.%, 60 wt.%, 50 wt.%, 40 wt.%, 30 wt.%, 25 wt.%, 20 wt.% or even 10 wt.%. Any higher level of solvent is meant to be combinable with any lower level of solvent.
- the composition comprises one or more surfactants.
- the surfactant may be present at a level of from 0.25 to 25 wt.%, preferably from 0.25 to 20 wt.%, more preferably from 0.25 to 15 wt.%, even more preferably from 0.25 to 10 wt.%, or even 0.5 to 10 wt.% or even 0.5 to 5 wt.%.
- the surfactant may be present at a level of from 0.25 to 25 wt.%, preferably from 0.25 to 20 wt.%, more preferably from 0.25 to 15 wt.%, even more preferably from 0.25 to 10 wt.%, or even 0.5 to 10 wt.% or even 0.5 to 5 wt.%.
- the surfactant is preferably selected from anionic, nonionic, cationic and/or amphoteric surfactants.
- Preferred surfactants are nonionic surfactants.
- the invention relates in a second aspect to a non-therapeutic method of treatment of a surface, to improve resistance of said surface to bacterial fouling, by treatment with a composition according to the first aspect of the invention.
- the surface to be treated is selected from plastic, metal, wood, polymer, paper, textile, and/or wipes.
- the lactam is selected from:
- the invention further relates in a third aspect to the use of a combination of a solvent selected from: 2-methyltetrahydrofuran, ethyl levulinate, and/or ethyl levulinate glycerol ketal (LGK); and dimethyl sulfoxide; or mixtures thereof to improve the solubility of a lactam.
- a solvent selected from: 2-methyltetrahydrofuran, ethyl levulinate, and/or ethyl levulinate glycerol ketal (LGK); and dimethyl sulfoxide; or mixtures thereof to improve the solubility of a lactam.
- the lactam is selected from:
- indefinite article “a” or “an” and its corresponding definite article “the” as used herein means at least one, or one or more, unless specified otherwise.
- a lactam is a cyclic amide.
- Preferred lactams are y-lactams which have 5 ring atoms.
- lactam is of formula (I) or (II):
- Ri and R2 are each independently selected from hydrogen, halogen, alkyl, cycloalkyl, alkoxy, oxoalkyl, alkenyl, heterocyclyl, heteroaryl, aryl and aralalkyl; and
- R4 and R5 are independently selected from hydrogen, aryl, heterocyclyl, heteroaryl, and arylalkyl;
- Re is selected from hydrogen and methyl
- At least one of R4 and R5 is hydrogen.
- Optional substituents may include halogens, Ci-4alkyl, Ci.4haloalkyl (for example, CF3) and Ci.4alkoxy.
- Alkyls may, for example, be Ci. ⁇ alkyls, such as Ci-ealkyls.
- Aryls may, for example, be Ce- aryls, for example, phenyls.
- R1 and R2 are selected from heterocyclyl, heteroaryl, aryl and arylalkyl.
- Ri is hydrogen.
- R3 is hydrogen, or (CH2) n N + (R a )3, where n is an integer from 1 to 16, preferably 2 to 8, and where each R a is independently H or C1.4 alkyl, more preferably R a is CH3;
- R4 is hydrogen.
- R5 is hydrogen.
- Re is hydrogen.
- R? is hydrogen.
- R2 is aryl or aralalkyl.
- R2 is a phenyl group or a substituted phenyl group, for example, a monosubstituted phenyl group. Substitution may be ortho, meta, or para. Preferred substituents include halogen and methyl.
- R2 may be selected from phenyl, 4-fluorophenyl, 2-fluorophenyl, 4-chlorophenyl, 3-chlorophenyl, 4-bromophenyl and 4-methylphenyl.
- R1, R4 and R5 are H;
- R3 is H, or (CH2) n N + (CH3)3, where n is an integer from 1 to 16, preferably 2 to 8;
- R2 is a phenyl group, or a mono-substituted phenyl group; preferably R2 is selected from phenyl, 4- fluorophenyl, 2-fluorophenyl, 4-chlorophenyl, 3-chlorophenyl, 4-bromophenyl and 4- methylphenyl.
- the lactam is of formula (I), R1, R4 and R5 are H; R3 is H, or (CH2) n N + (CH3)3, where n is an integer from 1 to 16, preferably 2 to 8; and R2 is a phenyl group, or a mono-substituted phenyl group; preferably R2 is selected from phenyl, 4- fluorophenyl, 2-fluorophenyl, 4-chlorophenyl, 3-chlorophenyl, 4-bromophenyl and 4- methylphenyl.
- lactam is cationic in nature, it can be used as such, or suitably with a counterion (e.g. iodide)
- a counterion e.g. iodide
- the lactam is a lactam selected from:
- lactam is selected from:
- lactam is: -chlorophenyl)-5-methylene-pyrrol-2-one.
- the lactam is cationic in nature
- the cation can be used or with a suitable counterion (e.g. iodide).
- the lactam is present at a level of from 0.0001 to 2.5 wt.%, preferably from 0.0001 to 1 wt.%.
- the lactam may be suitably present at levels of 0.001 to 1 wt.%, or even 0.01 to 1 wt.%, or even 0.01 to 0.5 wt.%.
- the lactam is delivered from an aqueous based composition, preferably comprising from 0.1 to 99 wt.%, preferably from 0.5 to 98 wt.%, more preferably from 1 to 98 wt.% water.
- the lactam is delivered from an aqueous based composition, preferably comprising from 0.1 to 98 wt.%, preferably from 0.5 to 80 wt.%, more preferably from 1 to 75 wt.% water.
- the composition may comprise any amount of water ranging from lower amounts of 0.1, 0.5, 1, 1.5, 2 or even 5 wt.% water up to 30, 40, 50, 60, 70, 75, 80, 85, 90, 95, 96, 97, 98, or even 99 wt.% water.
- preferred levels of water include from 60 to 98 wt.%, preferably from 70 to 98 wt.%, more preferably from 80 to 98 wt.%, even more preferably from 85 to 98 wt.% or even from 90 to 98 wt.%.
- the composition comprises a solvent selected from: 2-methyltetrahydrofuran, ethyl levulinate, and ethyl levulinate glycerol ketal (LGK); or mixtures thereof.
- a solvent selected from: 2-methyltetrahydrofuran, ethyl levulinate, and ethyl levulinate glycerol ketal (LGK); or mixtures thereof.
- the most preferred solvents are: 2-methyltetrahydrofuran, ethyl levulinate, and ethyl levulinate glycerol ketal (LGK).
- 2Me-THF, ethyl levulinate and LGK can be classed as levulinic acid derivatives (or levulinate derivatives).
- Levulinic acid may be derived from lignocellulosic biomass (i.e. corn husks, sugar cane waste etc), and can be converted in to 2Me-THF in a cyclisation reaction, ethyl levulinate in one step esterification, and LGK in 2 steps (esterification and ketal synthesis).
- the solvent is present at a level of from 0.5 to 95 wt.%, preferably from 0.5 to 90 wt.%, more preferably from 0.5 to 80 wt.%.
- the solvent may be present at a lowest level of from 0.5 wt.%, 0.75 wt.%, 1 wt.%, 1.5 wt.%, 2 wt.%, 2.5 wt.% or even 5 wt.%.
- the solvent may be present at a highest level of from 95 wt.%, 90 wt.%, 85 wt.%, 80 wt.%, 70 wt.%, 60 wt.%, 50 wt.%, 40 wt.%, 30 wt.%, 25 wt.%, 20 wt.% or even 10 wt.%. Any higher level of solvent is meant to be combinable with any lower level of solvent.
- the solvent may be present at a level of from 1 to 80 wt.%, preferably from 1 to 50 wt.%, more preferably from 1 to 40 wt.%.
- the solvent level may also be from 1 to 30 wt.%, 1 to 20 wt.%, or even 1 to 15 wt.% or 1 to 10 wt.%.
- the composition comprises one or more surfactants.
- the surfactant may be present at a level of from 0.25 to 25 wt.%, preferably from 0.25 to 20 wt.%, more preferably from 0.25 to 15 wt.%, even more preferably from 0.25 to 10 wt.%, or even 0.5 to 10 wt.% or even 0.5 to 5 wt.%.
- the surfactant is preferably selected from anionic, nonionic, cationic and/or amphoteric surfactants.
- Preferred surfactants are nonionic surfactants.
- the composition may preferably comprise a buffer to keep any resulting composition within a specified pH range.
- composition may comprise further ingredients such as surfactants, chelating agents, thickeners, pH modifiers, and perfumes.
- 1-(4-Chlorophenyl)propan-2-one (40.00 g, 34.75 mL, 237.2 mmol), glyoxylic acid monohydrate (32.75 g, 355.8 mmol) and phosphoric acid (69.74 g, 711.7 mmol) were combined at room temperature before heating to 85 °C overnight. After cooling to room temperature, the mixture was poured into a mixture of water (500 mL) and ethyl acetate (500 mL). The layers were separated and the aqueous phase extracted with ethyl acetate (500 mL).
- aqueous layer was extracted with dichloromethane (100 mL), and the combined organic layers washed with a 1 :1 mixture of water and saturated aqueous sodium hydrogen carbonate solution (100 mL), dried (MgSC ) and filtered. Silica was added to the filtrate and the mixture stirred for 10 minutes before filtering through a plug of silica, washing through with dichloromethane followed by a 3:1 mixture of dichloromethane:diethyl ether. Fractions containing the desired product were combined and concentrated under reduced pressure.
- lactam used was lactam 488.
- lactam concentration in plate was calculated against a calibration of known EtOH/Lactam solutions, and then multiplied by the dilution factor (500) to determine the actual lactam level in saturated solution (Lactam max solubility mg/ml in table 1).
- the solvents according to the invention provided good to excellent solubility of the lactam (greater than ⁇ 7.5mg/ml). Notably some comparative surfactants performed much worse than expected from their theoretical solubility parameters. Notably, the level of lactam solubility is markedly different from expected based on theoretical solubility parameters (Hansen or Hildebrand solubility parameters) for the most preferred solvents: 2-methyltetrahydrofuran, ethyl levulinate, and ethyl levulinate glycerol ketal (LGK).
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2017029092A1 (en) * | 2015-08-20 | 2017-02-23 | Unilever Plc | Improved lactam solubility |
WO2017029118A1 (en) * | 2015-08-20 | 2017-02-23 | Unilever Plc | Improved lactam solubility |
WO2020053108A1 (en) * | 2018-09-14 | 2020-03-19 | Unilever Plc | Mousse composition |
WO2020094402A1 (en) * | 2018-11-08 | 2020-05-14 | Unilever Plc | Method of treatment of a surface |
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WO2017029092A1 (en) * | 2015-08-20 | 2017-02-23 | Unilever Plc | Improved lactam solubility |
WO2017029118A1 (en) * | 2015-08-20 | 2017-02-23 | Unilever Plc | Improved lactam solubility |
WO2020053108A1 (en) * | 2018-09-14 | 2020-03-19 | Unilever Plc | Mousse composition |
WO2020094402A1 (en) * | 2018-11-08 | 2020-05-14 | Unilever Plc | Method of treatment of a surface |
Non-Patent Citations (3)
Title |
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AYCOCK D F: "Solvent Applications of 2-Methyltetrahydrofuran in Organometallic and Biphasic Reactions", ORGANIC PROCESS RESEARCH AND DEVELOPMENT, CAMBRIDGE, GB, vol. 11, no. 1, 6 December 2006 (2006-12-06), pages 156 - 159, XP002596963, DOI: 10.1021/OP060155C * |
LOMBA LAURA ET AL: "Ecotoxicity studies of the levulinate ester series", ECOTOXICOLOGY, CHAPMAN & HALL, LONDON, GB, vol. 23, no. 8, 1 August 2014 (2014-08-01), pages 1484 - 1493, XP035392404, ISSN: 0963-9292, [retrieved on 20140801], DOI: 10.1007/S10646-014-1290-Y * |
VITTORIO PACE ET AL: "2- Methyltetrahydrofuran (2-MeTHF): a biomass-derived solvent with broad application in organic chemistry", CHEMSUSCHEM, vol. 5, 1 January 2012 (2012-01-01), pages 1369 - 1379, XP055627308, DOI: 10.1002/cssc.201100780 * |
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