WO1993011109A1 - N-(β-CARBONYL-UND β-CYANOVINYL)-2,2,6,6-TETRAMETHYLPIPERIDIN-DERIVATE UND IHRE ANWENDUNG ALS STABILISATOREN VON LACKEN UND KUNSTSTOFFEN - Google Patents
N-(β-CARBONYL-UND β-CYANOVINYL)-2,2,6,6-TETRAMETHYLPIPERIDIN-DERIVATE UND IHRE ANWENDUNG ALS STABILISATOREN VON LACKEN UND KUNSTSTOFFEN Download PDFInfo
- Publication number
- WO1993011109A1 WO1993011109A1 PCT/EP1992/002733 EP9202733W WO9311109A1 WO 1993011109 A1 WO1993011109 A1 WO 1993011109A1 EP 9202733 W EP9202733 W EP 9202733W WO 9311109 A1 WO9311109 A1 WO 9311109A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- alkyl
- radicals
- carbonyl
- cyanovinyl
- phenyl
- Prior art date
Links
- 0 CN(C*OOC)OOC Chemical compound CN(C*OOC)OOC 0.000 description 5
- QDCWMPHJELLHBD-UHFFFAOYSA-N CCC1(C)CC(C)(C)CC(C)C1 Chemical compound CCC1(C)CC(C)(C)CC(C)C1 QDCWMPHJELLHBD-UHFFFAOYSA-N 0.000 description 2
- SUOMGLPRYBGINX-UHFFFAOYSA-N CC(C)(C1)N(C)C(C)(C)CC1OC(NS)=O Chemical compound CC(C)(C1)N(C)C(C)(C)CC1OC(NS)=O SUOMGLPRYBGINX-UHFFFAOYSA-N 0.000 description 1
- OKRSVCKJPLEHEY-UHFFFAOYSA-N CC(C)(C1)NC(C)(C)CC1OC(C)=O Chemical compound CC(C)(C1)NC(C)(C)CC1OC(C)=O OKRSVCKJPLEHEY-UHFFFAOYSA-N 0.000 description 1
- NFBMDCGVCPSOAJ-UHFFFAOYSA-N CNC(c(cc1C(N2C)=O)c(C=O)cc1C2=O)=O Chemical compound CNC(c(cc1C(N2C)=O)c(C=O)cc1C2=O)=O NFBMDCGVCPSOAJ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D211/36—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D211/56—Nitrogen atoms
- C07D211/58—Nitrogen atoms attached in position 4
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D211/00—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings
- C07D211/04—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D211/06—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members
- C07D211/36—Heterocyclic compounds containing hydrogenated pyridine rings, not condensed with other rings with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D211/40—Oxygen atoms
- C07D211/44—Oxygen atoms attached in position 4
- C07D211/46—Oxygen atoms attached in position 4 having a hydrogen atom as the second substituent in position 4
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
- C08K5/3432—Six-membered rings
- C08K5/3435—Piperidines
Definitions
- the present invention relates to new N- ( ⁇ -carbonyl and ⁇ -cyanovinyl) -2,2,6,6-tetramethylpiperidine derivatives of the general formula I.
- R 1 represents COOR 3 , COR 4 , CONR 4 R 5 or CN,
- R 2 has the meanings of R 1 or denotes C 1 to C 12 alkyl or hydrogen
- R 3 is hydrogen, C 1 - to C 8 -alkyl, C 5 - to C 8 -cycloalkyl, C 3 - to C 5 -alkenyl or phenyl, which is substituted by one to three C 1 - to C 4 -alkyl radicals, C 1 to C 4 alkoxy radicals, C 1 to C 4 alkoxycarbonyl groups, halogen atoms, hydroxyl groups, phenoxy groups, phenyl radicals, tolyl radicals or xylyl radicals may be substituted,
- R 6 is hydrogen, C 1 to C 20 alkyl, C 5 to C 8 cycloalkyl, C 7 to C 20 phenylalkyl or phenyl, which is substituted by one to three C 1 to C 4 alkyl radicals, halogen atoms, phenyl radicals or may be substituted by hydroxyl groups,
- A is hydrogen, C 1 to C 30 alkyl, which can be interrupted by one or more non-adjacent oxygen atoms, C 2 to C 12 hydroxyalkyl,
- C 1 to C 12 haloalkyl C 3 to C 5 epoxyalkyl, C 2 to C 20 alkenyl, C 2 to C 6 alkynyl, C 5 to C 8 cycloalkyl, C 7 to C 20 -phenylalkyl, phenyl, which has one to three C 1 - to C 4 -alkyl radicals,
- AC 1 - to C 20 alkylene which can be interrupted by one or more non-adjacent oxygen atoms or groupings -NR 7 -, C 5 - to C 8 -cycloalkylene, C 7 - to C 20 -phenylalkylene, o-, m- or p-phenylene, which is by one to three C, - can be substituted to C 4 -alkoxycarbonyl groups, halogen atoms or hydroxyl groups, or a heterocycle from the group furan, tetrahydrofuran, thiophene, imidazole, pyridine - to C4 -alkyl radicals, C 1 , Piperidine, morpholine and ⁇ -piperidone as
- R 7 denotes C 1 to C 5 alkyl or C 5 to C 8 cycloalkyl, or
- the invention relates to the compounds I organic material stabilized against the action of light, oxygen and heat, in particular stabilized plastics and paints.
- organic material especially plastics and paints
- This destruction usually manifests itself in yellowing, discoloration, cracking or embrittlement of the material. Satisfactory protection against the destruction of organic material by light, oxygen and heat should therefore be achieved with light stabilizers and stabilizers.
- EP-A 389 419 (1) recommends polyalkylpiperidine derivatives which carry a hydrocarbyloxy group on the piperidine nitrogen and thus have a reduced basicity compared to, for example, N-alkyl-substituted polyalkylpiperidine derivatives, as light stabilizers in high molecular weight compounds.
- the object of the present invention was therefore to provide light stabilizers or stabilizers which provide more effective protection for organic material. Accordingly, the N- ( ⁇ -carbonyl and ⁇ -cyanovinyl) -2,2,6,6-tetramethylpiperidine derivatives I defined at the outset were found.
- the radical R 1 is preferably COOR 3 .
- the radical R 2 is preferably COOR 3 or hydrogen.
- the radical R 3 is preferably C 1 -C 4 -alkyl, in particular methyl or ethyl.
- n is preferably 1 or 2.
- X is preferably oxygen or a grouping of the formula
- R 6 here is especially hydrogen, C 1 -C 12 -alkyl, in particular special C 1 - to C 4 alkyl, cyclopentyl, cyclohexyl, benzyl, phenyl or tolyl referred to.
- A is preferably hydrogen
- C 1 to C 18 alkyl in particular C 1 to C 12 alkyl, C 1 to C 5 methoxyalkyl, in particular ⁇ -C 3 to C 5 methoxyalkyl, C 2 to C 4 hydroxyalkyl, in particular ⁇ -C 2 - to C 4 -hydroxyalkyl, C 1 - to C 4 -haloalkyl, in particular halomethyl and haloethyl, C 2 - to C 18 -alkenyl, in particular C 2 - to C 6 -alkenyl and C 15 - bis C 18 alkenyl, cyclopentyl, cyclohexyl, benzyl, phenyl or tolyl.
- alkyl radicals which are in the form of C 1 - to C 3 -, C 1 - to C 4 -, C 1 - to C 5 -, C 1 - to C 8 -, C 1 - to C 12 -, C 1 - to C 18 -, C 1 - to C 20 - and C 1 - to C 30 -alkyl radicals, branched and in particular straight-chain representatives are suitable, especially methyl, ethyl, n-propyl, isopropyl, n- Butyl, iso-butyl, sec-butyl, tert-butyl, n-amyl, iso-amyl, sec-amyl, tert-amyl, neopentyl, n-hexyl, n-heptyl, n-octyl, 2- Ethylhexyl, n-nonyl, iso-nonyl, n-decyl
- Suitable C 5 - to C 8 -cycloalkyl radicals are, in particular, cyclopentyl, cyclohexyl, cycloheptyl, cyclooctyl, methylcyclopentyl, dimethylcyclopentyl, methylcyclohexyl, dimethylcyclohexyl and ethylcyclohexyl.
- alkenyl residues which are addressed in the form of C 3 - to C 5 -, C 2 - to C 6 -, C 15 - to C 18 -, C 2 - to C 18 - and C 2 - to C 20 -alkenyl residues and one or more, in particular one or two, olefinic double bonds are suitable especially vinyl, allyl, methallyl, crotyl, pentenyl,
- C 2 -C 6 -alkynyl radicals examples include ethynyl and propynyl.
- Suitable C 1 -C 4 -alkoxy radicals are, in particular, methoxy and ethoxy, but also n-propoxy, iso-propoxy, n-butoxy, iso-butoxy, sec-butoxy and tert-butoxy.
- the C 1 -C 4 -alkoxycarbonyl groups used are, for example, n-propoxycarbonyl, iso-propoxycarbonyl, n-butoxycarbonyl, iso-butoxycarbonyl, sec-butoxycarbonyl, tert-butoxycarbonyl, but especially ethoxycarbonyl and methoxycarbonyl.
- halogen atom includes fluorine, iodine, but especially bromine and especially chlorine.
- Suitable C 7 -C 20 -phenylalkyl groups are, for example, 1-phenylethyl, 2-phenylethyl, 1-phenylpropyl, 2-phenylpropyl, 3-phenylpropyl, 2-phenylprop-2-yl, 4-phenylbutyl, 2,2-dimethyl 2-phenylethyl, 5-phenylamyl, 10-phenyldecyl, 12-phenyldodecyl, 14-phenyltetradecyl or especially benzyl.
- the substitution scheme is ortho, meta or, preferably, para, for disubstituted phenyl radicals the substituents are primarily in the 2,4-position, for example in the case of 2,4-xylyl, and in the case of trisubstituted phenyl radicals in the 2, 4, 6-position eg with Mesityl.
- a degree of substitution of 1 or 2, in particular 1, is preferred.
- the C 1 to C 30 alkyl interrupted by one or more non-adjacent O atoms is, for example, C 1 to Cs methoxyalkyl such as methoxymethyl, 2-methoxyethyl, 3-methoxypropyl, 4-methoxybutyl or 5-methoxypentyl, furthermore ethoxymethyl, 2-ethoxyethyl, 3-ethoxypropyl, 4-oxaheptyl, 3,6-dioxaheptyl, 3,6,9-trioxadecyl, 3,6,9,12-tetraoxatridecyl, 3,6,9,12,15-pentaoxa-hexadecyl, 3,6,9,12,15,18-hexaoxaeicosyl, ⁇ -ethoxymyristyl, ⁇ -butoxymyristyl, ⁇ -methoxycetyl, ⁇ -ethoxycetyl, ⁇ -butoxycetyl
- Particularly suitable C 2 - to C 12 - or C 2 - to C 4 -hydroxyalkyl groups are 2-hydroxyethyl, 2-hydroxypropyl, 3-hydroxypropyl, 2-hydroxybutyl, 3-hydroxybutyl, 4-hydroxybutyl, 5-hydroxypentyl, 6-hydroxyhexyl, 7-hydroxyheptyl, 8-hydrooxyoctyl, 9-hydroxynonyl, 10-hydroxydecyl, 11-hydroxyundecyl and 12-hydroxydodecyl.
- chloroalkyl groups are suitable, for example 2-chloroethyl, 2-chloropropyl, 3-chloropropyl, 2-chlorobutyl, 3-chlorobutyl, 4-chlorobutyl but above all chloromethyl, 5-chloropentyl, 6-chlorohexyl, 7-chloroheptyl, 8-chloroctyl, 9-chlorononyl, 10-chlorodecyl, 11-chloro-undecyl and 12-chlorododecyl can also be used.
- Suitable as C 3 - to C 5 -epoxyalkyl are, for example
- Suitable C 1 - to C 20 - or C 1 - to C 12 -alkylene are especially methylene, 1,1-ethylene, 1,2-ethylene, 1,1-propylene,
- the C 1 -C 20 alkylene interrupted by one or more non-adjacent O atoms or -NR 7 groups is, for example, 2-oxa-1,3-propylene, 2-oxa-1,4-butylene,
- C 5 - to C 8 -cycloalkylene groups come in particular cyclopentylene, cyclohexylene, cycloheptylene, cyclooctylene, methylcyclopentylene, dimethylcyclopentylene, methylcyclohexy len, dimethylcyclohexylene, ethylcyclohexylene, 1,3- or 1,4-bismethylene-cyclohexane.
- Suitable C 7 -C 20 -phenylalkylene groups are, for example, 1-phenyl-1,2-ethylene, 1-phenyl-1,2-propylene, 1-phenyl-1,3-propylene, 2-phenyl-1,2- propylene, 2-phenyl-1,3-propylene, 2-phenyl-1,4-butylene, 3-phenyl-1,5-pentylene, 3-phenyl-1,6-hexylene or especially phenylmethylene.
- R 1 the spatial position on the double bond of I of the radical R 1 to the piperidine ring and to R 2 .
- Both the E and the Z isomers or, in the case of R 2 H, and the ice and also the transisomers can be present. Mixtures of the corresponding cis / trans or E / Z isomers can of course also be present.
- N- ( ⁇ -carbonyl and ⁇ -cyanovinyl) -2,2,6,6-tetramethylpiperidine derivatives I according to the invention can advantageously be obtained by reacting the corresponding piperidine derivatives of the general formula II which are unsubstituted on the piperidine N atom
- Suitable acetylenic compounds III are, for example, acetylenedicarboxylic acid esters such as dimethyl and diethyl acetylenedicarboxylic acid, acetylene monocarboxylic esters such as methyl and ethyl propiolic acid or cyanoacetylene.
- the compounds III are Michael acceptors which can be added particularly easily to nucleophiles such as piperidines.
- N- ( ⁇ -carbonyl- and ⁇ -cyanovinyl) -2,2,6,6-tetramethylpiperidine derivatives I can in principle also be advantageously used by reacting the corresponding unsubstituted on the piperidine N atom and in 4- Position of not yet functionalized piperidine derivatives of the general formula IV
- N- ( ⁇ -carbonyl- and ⁇ -cyanovinyl) -2,2,6,6-tetramethylpiperidine derivatives I according to the invention in which X represents an N-containing group, is in principle also possible from the ketones V. reductive amination possible.
- XH groups in particular with OH groups
- compounds having X n A groups in particular O n A groups
- the carboxylic acids, carboxylic acid derivatives, carbonic acid derivatives, mono- or diisocyanates or alkylating, alkenylating or aralkylating agents are examples of the compounds with XH groups, in particular with OH groups, to form compounds having X n A groups, in particular O n A groups.
- carboxylic acids or carboxylic acid derivatives in particular mono- or dibasic carboxylic acids such as formic acid, acetic acid, succinic acid or adipic acid, mono- or
- Biscarboxylic acid halides such as acetyl chloride, chloroacetyl chloride, acryloyl chloride, methacryloyl chloride, isobutyric acid chloride, oleic acid chloride, lauric acid chloride, stearic acid chloride, benzoyl chloride or benzoyl bromide, oxalyl chloride,
- mono- or Biscarbonchureester such as methyl acetate, ethyl acetate, methyl propionate, methyl butyrate, diethyl malonate, diethyl fumarate, dimethyl adipate, dimethyl suberate or dimethyl sebacate
- mono- or bischloroformates
- Suitable carbonic acid derivatives for the purpose mentioned are, for example, dimethyl carbonate, diethyl carbonate or phosgene.
- the mono- or diisocyanates used to generate urethane groups in the compounds I are, in particular, C 2 -C 18 -alkyl mono- and diisocyanates, for example stearyl isocyanate and hexamethylene diisocyanate, and also phenyl isocyanate, phenylene-1,4-diisocyanate and toluene -2,4-diisocyanate and isophorone diisocyanate.
- alk (en) ylating or aralkylating agents used here in particular are the corresponding alk (en) yl or aralkyl halides, especially chlorides and bromides, tosylates and sulfates, e.g. Dimethyl sulfate or diethyl sulfate.
- an organic solvent which is inert to the respective reaction system, e.g. a hydrocarbon such as n-hexane, cyclohexane, benzene, toluene, xylene or mesitylene, a chlorinated hydrocarbon such as methylene chloride, chloroform, carbon tetrachloride or chlorobenzene, an alcohol such as methanol, ethanol, isopropanol or butylglycol or a carboxylic ester such as ethyl acetate, benzoic acid methyl acetate or butylglycol ester.
- a solvent for the reactions mentioned an alcohol-water mixture, e.g.
- Methanol-water, ethanol-water or isopropanol-water can be used.
- the reactions are usually carried out at room temperature or elevated temperature, advantageously at 0 to 200 ° C, preferably at 10 to 140 ° C.
- an amine as auxiliary base or catalyst, for example in the isocyanate reactions and the reactions of the compounds with X-H groups with carboxylic acids or carboxylic acid derivatives; as such
- Auxiliary bases or catalysts are particularly suitable for tertiary amines such as trimethylamine, triethylamine, triisopropylamine, tri-n-butylamine, diazabicyclooctane or pyridine.
- N- ( ⁇ -carbonyl- and ⁇ -cyanovinyl) -2, 2, 6, 6-tetramethylpiperidine derivatives according to the invention are outstandingly suitable for stabilizing organic mate against the effects of light, oxygen and heat. They are added to the organic materials to be stabilized in a concentration of 0.01 to 5% by weight, preferably 0.02 to 1% by weight, based on the organic material, before, during or after their preparation.
- Organic material means, for example, cosmetic preparations such as ointments, lotions, pharmaceutical formulations such as pills and suppositories, photographic recording material such as photographic emulsions or precursors for plastics and lacquers, but in particular plastics and lacquers themselves.
- the present invention also relates to organic material, in particular plastics and lacquers, which is stabilized against the action of light, oxygen and heat and which contains the compounds I in the concentrations indicated above. All known devices and methods for mixing stabilizing agents or other additives into polymers can be used to mix the compounds I according to the invention, especially with plastics.
- the organic material stabilized by the compounds I according to the invention may optionally contain further additives, e.g. Antioxidants, light stabilizers, metal deactivators, antistatic agents, flame retardants, pigments and fillers.
- Antioxidants and light stabilizers which can be added in addition to the compounds according to the invention are e.g. Compounds based on sterically hindered phenols or costabilisates containing sulfur or phosphorus.
- phenolic antioxidants examples include 2,6-di-tert-butyl-4-methylphenol, n-octadecyl- ⁇ - (3,5-di-tert-butyl-4-hydroxyphenyl) propionate,
- phosphorus-containing antioxidants are tris (nonylphenyl) phosphite, distearylpentaerythritol diphosphite, tris (2,4-di-tert-butylphenyl) phosphite,
- sulfur-containing antioxidants are dilaurylthiodipropionate, dimyristylthiodipropionate, distearylthiodipropionate, pentarythritol tetrakis ( ⁇ -laurylthiopropionate) and pentaerythritol tetrakis ( ⁇ -hexylthiopropionate).
- antioxidants and light stabilizers which can be used together with the compounds I according to the invention are e.g. 2- (2'-hydroxyphenyl) benzotriazoles, 2-hydroxybenzophenones, aryl esters of hydroxybenzoic acids, ⁇ -cyanocinnamic acid derivatives, benzimidazolecarboxylic acid anilides, nickel compounds or oxalic acid dianilides.
- plastics which can be stabilized by the compounds I according to the invention are: Polymers of mono- and diolefins, such as e.g. Low or high density polyethylene, polypropylene, linear polybutene-1, polyisoprene, polybutadiene and copolymers of mono- or diolefins or mixtures of the polymers mentioned;
- Copolymers of mono- or diolefins with other vinyl monomers e.g. Ethylene-alkyl acrylate copolymers, ethylene-alkyl methacrylate copolymers, ethylene-vinyl acetate copolymers or ethylene-acrylic acid copolymers;
- Polystyrene and copolymers of styrene or ⁇ -methylstyrene with dienes and / or acrylic derivatives such as, for example, styrene-butadiene, styrene-acrylonitrile (SAN), styrene-ethyl methacrylate, Styrene-butadiene-ethyl acrylate, styrene-acrylonitrile-methacrylate, acrylonitrile-butadiene-styrene (ABS) or methyl methacrylate-butadiene-styrene (MBS); Halogen-containing polymers, such as polyvinyl chloride, polyvinyl fluoride, polyvinylidene fluoride and their copolymers;
- Polymers derived from ⁇ - ⁇ -unsaturated acids and their derivatives such as polyacrylates, polymethacrylates, polyacrylamides and polyacrylonitriles;
- Polymers derived from unsaturated alcohols and amines or from their acyl derivatives or acetals e.g. Polyvinyl alcohol and polyvinyl acetate;
- Polyurethanes Polyamides, polyureas, polyesters, polycarbonates, polysulfones, polyether sulfones and polyether ketones.
- Coatings can also be stabilized with the compounds I according to the invention, e.g. Industrial paints.
- stove enamels among them in turn vehicle paints, preferably two-coat paints, are particularly noteworthy.
- Another area of use is e.g. Paint for exterior painting of buildings, other structures or technical equipment.
- the compounds I according to the invention can be added to the lacquer in solid or dissolved form. Their good solubility in coating systems is of particular advantage.
- the compounds I according to the invention are preferably used for stabilizing polyamides and ABS and SAN polymers, in particular molding compositions thereof, and for lacquer coatings.
- Another preferred area of application is the stabilization of polypropylene and polyamide, in particular fibers thereof.
- the compounds I according to the invention are notable for good compatibility with the customary types of plastics and for good solubility and excellent compatibility in the customary coating systems. You have in the Usually no or only a very slight intrinsic color, are stable at the usual plastic and paint processing temperatures and are non-volatile and, above all, ensure that the materials treated with them have a long period of protection.
- the invention is further illustrated by the examples below.
- the manufacturing conditions have not been optimized.
- N- ⁇ - (2,2,6,6-tetramethyl-4-hydroxy-1-piperidinyl) acrylic acid ethyl ester by reduction of N- ⁇ - (2,2,6,6-tetramethyl-4-oxo-1- piperidinyl) acrylic acid ethyl ester.
- N- ⁇ - (2,2,6,6-tetramethyl-4-acetoxy-1-piperidinyl) acrylic acid ethyl ester To a mixture of 25.5 g (0.1 mol) of the compound from Example 1, 8.8 g (0 , 11 mol) pyridine and 100 ml methylene chloride were 11.8 g (0.15 mol) at room temperature
- Acetyl chloride dropped in 40 ml of methylene chloride. It was heated under reflux for a further 2 hours. After cooling to room temperature, the mixture was diluted with 200 ml of water, the organic phase was extracted several times with about 1% by weight hydrochloric acid and with water, dried over sodium sulfate and then the solvent was distilled off in vacuo. 27 g of the compound of the formula listed below were obtained in the form of a slightly yellowish solid (corresponding to a yield of 90%) with a melting point of 55 to 57 ° C.
- N-Cyclohexyl-N- (1- ⁇ -ethyl acrylate-2,2,6,6-tetramethyl-piperidin-4-yl) oleic acid amide A solution of 150.4 g of oleic acid chloride in 100 ml of methylene chloride was added dropwise at room temperature to a solution of 119 g of 2,2,6,6-tetramethylpiperidine-4-N-cyclohexylamine and 55.5 g of triethylamine in 250 ml of methylene chloride. The mixture was stirred at this temperature for 7 hours. The organic phase was washed several times with water, dried over sodium sulfate and the solvent was distilled off in vacuo.
- the oil obtained was taken up in 600 ml of butyl glycol acetate and heated to 100.degree. 50 g of ethyl propiolate were added dropwise at this temperature and stirring was continued at this temperature for a further 6 hours. After the solvent had been distilled off in vacuo, the oil obtained was purified by chromatography on silica gel with ethyl acetate / n-hexane (1: 3). The compound of the formula was obtained
- Example 12 Analogously to Example 12, the title compound with the formula listed below was obtained from N- (2,2,6,6-tetramethylpiperidin-4-yl) acrylic acid amide and ethyl propiolate in a yield of 81% in the form of a colorless solid, mp 123 to 125 ° C.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Hydrogenated Pyridines (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/244,209 US5434202A (en) | 1991-12-06 | 1992-11-27 | N-(β-carbony- and β-cyanovinyl)-2,2,6,6-tetramethyl-piperidine derivatives |
EP92924608A EP0616610A1 (de) | 1991-12-06 | 1992-11-27 | N-($g(b)-CARBONYL-UND $g(b)-CYANOVINYL)-2,2,6,6-TETRAMETHYLPIPERIDIN-DERIVATE UND IHRE ANWENDUNG ALS STABILISATOREN VON LACKEN UND KUNSTSTOFFEN |
JP5509804A JPH07501802A (ja) | 1991-12-06 | 1992-11-27 | N−(β−カルボニル−およびβ−シアノビニル)−2,2,6,6−テトラメチルピペリジン誘導体 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4140304A DE4140304A1 (de) | 1991-12-06 | 1991-12-06 | N-((beta)-carbonyl- und (beta)-cyanovinyl)-2,2,6,6- tetramethylpiperidin-derivate |
DEP4140304.5 | 1991-12-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1993011109A1 true WO1993011109A1 (de) | 1993-06-10 |
Family
ID=6446467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1992/002733 WO1993011109A1 (de) | 1991-12-06 | 1992-11-27 | N-(β-CARBONYL-UND β-CYANOVINYL)-2,2,6,6-TETRAMETHYLPIPERIDIN-DERIVATE UND IHRE ANWENDUNG ALS STABILISATOREN VON LACKEN UND KUNSTSTOFFEN |
Country Status (5)
Country | Link |
---|---|
US (1) | US5434202A (de) |
EP (1) | EP0616610A1 (de) |
JP (1) | JPH07501802A (de) |
DE (1) | DE4140304A1 (de) |
WO (1) | WO1993011109A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19544404A1 (de) * | 1995-11-29 | 1997-06-05 | Basf Ag | Tetramethylpiperidinhaltige Copolymere |
CN101993412B (zh) * | 2010-06-28 | 2012-07-04 | 北京天罡助剂有限责任公司 | 一种用于光稳定剂的含双二苯甲酮结构的受阻胺化合物及其制备方法 |
CN112961101A (zh) * | 2021-03-05 | 2021-06-15 | 宿迁联盛科技股份有限公司 | 一种新型的受阻胺光稳定剂及其制备方法和应用 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0158598A2 (de) * | 1984-04-09 | 1985-10-16 | CIBA-GEIGY S.p.A. | Neue Piperidinverbindungen |
EP0344114A1 (de) * | 1988-05-27 | 1989-11-29 | Ciba-Geigy Ag | Ungesättigte Derivate von 2,2,6,6-Tetramethylpiperidin |
EP0389419A1 (de) * | 1989-03-21 | 1990-09-26 | Ciba-Geigy Ag | Nichtwandernde 1-Hydrocarbyloxy-gehinderte Amineverbindungen als Polymerstabilisatoren |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4311820A (en) * | 1979-02-14 | 1982-01-19 | Ciba-Geigy Corporation | Homopolymers and copolymers of vinyl ethers of polyalkylpiperidinols and their use as stabilizers for plastics |
IT1191804B (it) * | 1986-06-11 | 1988-03-23 | Enichem Sintesi | Procedimento per la preparazione di derivati n-allil-piperidinici |
US5204474A (en) * | 1991-06-03 | 1993-04-20 | Ciba-Geigy Corporation | 2,6-diarylpiperidin-1-yl substituted 2-butene stabilizers |
DE4303648A1 (de) * | 1993-02-09 | 1994-08-11 | Basf Ag | Verwendung von Aminovinylphosphonsäureestern als Lichtschutzmittel und Stabilisatoren für organisches Material |
-
1991
- 1991-12-06 DE DE4140304A patent/DE4140304A1/de not_active Withdrawn
-
1992
- 1992-11-27 EP EP92924608A patent/EP0616610A1/de not_active Ceased
- 1992-11-27 WO PCT/EP1992/002733 patent/WO1993011109A1/de not_active Application Discontinuation
- 1992-11-27 US US08/244,209 patent/US5434202A/en not_active Expired - Fee Related
- 1992-11-27 JP JP5509804A patent/JPH07501802A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0158598A2 (de) * | 1984-04-09 | 1985-10-16 | CIBA-GEIGY S.p.A. | Neue Piperidinverbindungen |
EP0344114A1 (de) * | 1988-05-27 | 1989-11-29 | Ciba-Geigy Ag | Ungesättigte Derivate von 2,2,6,6-Tetramethylpiperidin |
EP0389419A1 (de) * | 1989-03-21 | 1990-09-26 | Ciba-Geigy Ag | Nichtwandernde 1-Hydrocarbyloxy-gehinderte Amineverbindungen als Polymerstabilisatoren |
Non-Patent Citations (2)
Title |
---|
CHEMICAL ABSTRACTS, vol. 110, 1989, Columbus, Ohio, US; abstract no. 22952d, ZAICHENKO, N. ET. AL. 'NMR determination of the configuration of products of nucleophile addition to activated acetylenes.' Seite 469 ; * |
CHEMICAL ABSTRACTS, vol. 110, 1989, Columbus, Ohio, US; abstract no. 23303e, EL'NATANOV, YU. I. ET. AL. 'Reactions of N, P- and S-nucleophiles with methyl propiolate.' Seite 497 ; * |
Also Published As
Publication number | Publication date |
---|---|
DE4140304A1 (de) | 1993-06-09 |
EP0616610A1 (de) | 1994-09-28 |
US5434202A (en) | 1995-07-18 |
JPH07501802A (ja) | 1995-02-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0670851B1 (de) | MALEINSÄUREIMID-$g(a)-OLEFIN-COPOLYMERISATE UND IHRE VERWENDUNG ALS LICHTSCHUTZMITTEL UND STABILISATOREN FÜR ORGANISCHES MATERIAL | |
EP0316582B1 (de) | 4-Formylaminopiperidinderivate, deren Verwendung als Stabilisatoren und damit stabilisiertes organisches Material | |
EP0031304B1 (de) | Piperidinderivate als Stabilisatoren für synthetische Polymere | |
EP0413665B1 (de) | Stabilisatoren für Polymere, die sowohl eine gehinderte Aminfunktion als auch eine Nitrongruppe enthalten | |
EP0213570A2 (de) | Glykolurilderivate und ihre Verwendung als Stabilisatoren für Polymere | |
DE2755340A1 (de) | Neue polyalkylpiperidinderivate | |
EP0208264B1 (de) | 1-Oxa-3-oxo-4,8-diaza-spiro-[4,5]decan-Verbindungen | |
DE19631244A1 (de) | Neue Lichtstabilisatoren auf Basis von sterisch gehinderten Aminen | |
WO1993011109A1 (de) | N-(β-CARBONYL-UND β-CYANOVINYL)-2,2,6,6-TETRAMETHYLPIPERIDIN-DERIVATE UND IHRE ANWENDUNG ALS STABILISATOREN VON LACKEN UND KUNSTSTOFFEN | |
EP0349862B1 (de) | 2,6-Polyalkyl-piperidin-4-amide, deren Verwendung als Stabilisatoren, insbesondere für Kunststoffe, sowie diese Amide enthaltendes organisches Material | |
EP0022079A1 (de) | Polyalkylpiperidyl-harnstoffe, ihre Verwendung als Stabilisatoren und die damit stabilisierten Polymeren | |
DE3643890A1 (de) | Neue polyalkylpiperidinderivate mit alkylenbruecken, ihre verwendung als stabilisator und zwischenprodukte | |
WO1993011111A1 (de) | POLYALKYLPIPERIDINGRUPPEN ENHALTENDEN β-AMINOACRYLSÄURE-ESTER-DERIVATE | |
EP0149781B1 (de) | Furan-3-carbonsäurederivate | |
EP0635005A1 (de) | Polyalkylpiperidin-gruppen enthaltende essigsäure- und 3-aminoacrylsäure-derivate | |
EP0207396B1 (de) | Tetrahydrofurancarbonsäurederivate | |
EP0208265B1 (de) | Neue 1-Oxa-3,8-diaza-4-oxo-spiro-[4,5]-decan-Verbindungen und Verfahren zu ihrer Herstellung | |
EP0682668B1 (de) | N-vinylgruppenhaltige glykolurilderivate und ihre verwendung als lichtschutzmittel und stabilisatoren für organisches material | |
WO1994018210A1 (de) | Verwendung von aminovinylphosphonsäureestern als lichtschutzmittel und stabilisatoren für organisches material | |
EP0389422B1 (de) | Stabilisatoren mit N-hydroxy-substituierter, gehinderter Aminogruppe und ihre Herstellung durch Michael-Addition | |
EP0481300A2 (de) | Polyalkylpiperidinderivate und deren Verwendung als Lichtschutzmittel | |
EP0422492A1 (de) | Cyclische Amide | |
CH669195A5 (de) | Furan-3-carbonsaeurederivate und deren verwendung als lichtschutzmittel ausserhalb der textilindustrie. | |
US5294719A (en) | Cyclohexylamine compounds useful as a stabilizer for organic materials | |
DE3628079A1 (de) | Furan-3-carbonsaeurederivate |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): JP KR US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LU MC NL PT SE |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
WWE | Wipo information: entry into national phase |
Ref document number: 1992924608 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 08244209 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 1992924608 Country of ref document: EP |
|
WWR | Wipo information: refused in national office |
Ref document number: 1992924608 Country of ref document: EP |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 1992924608 Country of ref document: EP |