■POLYMER ADDITIVES JADEWIN UV328 CHEMICAL COMPONENT COMPONENT 2-(2H-Benzotriazol-2-yl)-4,6-ditertpentylphenol CAS 25973-55-1 Molecular C22H29N3O M.W 352 SPECIFICATION AND PHYSIC
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inquiryCASNumber: 25973-55-1 Name: Phenol,2-(2H-benzotriazol-2-yl)-4,6-bis(1,1-dimethylpropyl)- SuperlistName: …Appearance:powder Storage:sealed Package:bags Application:in cosmetics Transportation:by air Port:g
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inquiry2-(2H-Benzotriazol-2-yl)-4,6-ditertpentylphenol CAS 25973-55-1 Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/Feed additi
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inquiryProduct Description Product Name 2-(2H-Benzotriazol-2-yl)-4,6-ditertpentylphenol CAS No. 25973-55-1
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inquiry1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
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inquiryTIANFUCHEM--25973-55-1--2-(2H-Benzotriazol-2-yl)-4,6-ditertpentylphenol factory price Our company was built in 2009 with an ISO certificate.In the past 10 years, we have grown up as a famous fine chemicals supplier in China And we had esta
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inquiryUV-328(Benzotriazole UV Absorber ) Chemical name : 2-(2'-Hydroxy-3', 5'-di-tert-amylphenyl) benzotriazole Introduction : UV-328 is a benzotriazole type ultraviolet light absorber (UVA), imparting good light stability for plastics
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inquiry2-(2H-Benzotriazol-2-yl)-4,6-ditertpentylphenol CAS: 25973-55-1 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing
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inquiry2-(2H-Benzotriazol-2-yl)-4,6-ditertpentylphenol CAS: 25973-55-1 Specification Item Standard Identification A.H-NMR:Comply with the structure B.LC-MS:Comply with the structure
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inquirytinuvin 328
Conditions | Yield |
---|---|
With hydrogenchloride; hydrogen; tert-butylamine In methanol | 99% |
tinuvin 328
Conditions | Yield |
---|---|
In isopropyl alcohol at 83 - 85℃; for 3h; Temperature; | 98.29% |
tinuvin 328
Conditions | Yield |
---|---|
With borane-ammonia complex In toluene at 50℃; for 5h; | 96.4% |
With sodium hydroxide; thiourea dioxide In ethanol at 85 - 90℃; for 1h; | 80% |
With sodium hydroxide; lithium perchlorate In tetrahydrofuran; water at 20℃; Cyclization; Electrolysis; | 92 % Chromat. |
With hydrogen In cyclohexane at 180℃; under 3750.38 Torr; | |
Multi-step reaction with 2 steps 1: 2,3-Dichloro-1,4-naphthoquinone; sodium hydroxide / isopropyl alcohol / 2 h / 42 - 45 °C / Inert atmosphere 2: isopropyl alcohol / 3 h / 83 - 85 °C View Scheme |
Conditions | Yield |
---|---|
In DMF (N,N-dimethyl-formamide) at 130℃; for 13h; | 93.9% |
tinuvin 328
Conditions | Yield |
---|---|
With platinum on activated charcoal; hydrogen In methanol; toluene at 50 - 75℃; under 3750.38 - 6000.6 Torr; Reagent/catalyst; Solvent; Autoclave; | 91.7% |
With hydrogenchloride; zinc In water; toluene Reflux; |
2-(2'H-benzotriazol-2'-yl)-4,6-bis(1",1"-dimethylpropyl)phenol 1'-oxide
tinuvin 328
Conditions | Yield |
---|---|
aluminum nickel In water; hydrogen | 90.3% |
With sodium hydroxide; bakers' yeast In ethanol 1.) r.t., 30 min, 2.) 80-85 deg C, 30 h; | 86% |
tinuvin 328
Conditions | Yield |
---|---|
With sodium hydroxide; zinc In water at 90℃; for 0.5h; | 87% |
85% | |
aluminum nickel In water; toluene | 82% |
With samarium diiodide In tetrahydrofuran for 2.7h; Ambient temperature; | 85 % Spectr. |
With hydrogenchloride; sulfuric acid; hydrogen; hydrazine hydrate; N-butylamine; pyrographite In methanol; 5,5-dimethyl-1,3-cyclohexadiene; water |
tinuvin 328
Conditions | Yield |
---|---|
With sodium hydroxide; bakers' yeast In ethanol 1.) r.t., 30 min, 2.) 80-85 deg C, 36 h; | 85% |
With sodium hydroxide In isopropyl alcohol at 85℃; for 24h; Reduction; Cyclization; Irradiation; | 67% |
Multi-step reaction with 2 steps 1: 87 percent / aq. NaOH, bakers' yeast / ethanol / 1.) r.t., 30 min, 2.) 80-85 deg C, 3.5 h 2: 86 percent / aq. NaOH, bakers' yeast / ethanol / 1.) r.t., 30 min, 2.) 80-85 deg C, 30 h View Scheme |
A
2-amino-4,6-bis(1,1-dimethylpropyl)phenol
B
1,2-diamino-benzene
C
tinuvin 328
Conditions | Yield |
---|---|
With 2-bromo-2-nitropropane; zinc In methanol; dichloromethane for 3.5h; Ambient temperature; | A n/a B n/a C 71 % Chromat. |
2,3-Dichloro-1,4-naphthoquinone
tinuvin 328
Conditions | Yield |
---|---|
With sodium hydroxide; sodium hydrogensulfite In water; isopropyl alcohol |
Conditions | Yield |
---|---|
With sodium hydroxide In methanol; water |
2-Chloronitrobenzene
tinuvin 328
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: ammonium hydroxide / 150 - 220 °C / 90009 - 150015 Torr 2: sodium nitrite; hydrogenchloride / water / 1 h / 10 °C 3: water; ethanol / 3 h / 10 °C / pH 7.2 - 7.8 / Alkaline conditions 4: sodium hydroxide; formaldehyd / isopropyl alcohol / Reflux 5: zinc; hydrogenchloride / water; toluene / Reflux View Scheme |
2-nitro-aniline
tinuvin 328
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: sodium nitrite; hydrogenchloride / water / 1 h / 10 °C 2: water; ethanol / 3 h / 10 °C / pH 7.2 - 7.8 / Alkaline conditions 3: sodium hydroxide; formaldehyd / isopropyl alcohol / Reflux 4: zinc; hydrogenchloride / water; toluene / Reflux View Scheme |
tinuvin 328
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: water; ethanol / 3 h / 10 °C / pH 7.2 - 7.8 / Alkaline conditions 2: sodium hydroxide; formaldehyd / isopropyl alcohol / Reflux 3: zinc; hydrogenchloride / water; toluene / Reflux View Scheme |
tinuvin 328
Conditions | Yield |
---|---|
In tetrahydrofuran (N2); using Schlenk techniques; addn. of CpZrCl3 (1 equiv.) to soln. of 2-(2H-benzo(d)(1,2,3)triazol-2-yl)-4,6-di-tert-pentylphenol (1 equiv.) in THF at room temp., heating at 50°C for 12 h; filtration, condensing of filtrate, keeping at -20°C, crystn.; elem. anal.; | 95% |
palladium diacetate
tinuvin 328
Conditions | Yield |
---|---|
In tetrahydrofuran at 20℃; for 48h; | 92.4% |
tinuvin 328
Conditions | Yield |
---|---|
In toluene (N2); using Schlenk techniques; addn. of CpZrCl3 (2 equiv.) to soln. of 2-(2H-benzo(d)(1,2,3)triazol-2-yl)-4,6-di-tert-pentylphenol (1 equiv.) in toluene at room temp., heating at 50°C for 12 h; filtration, crystn. at -20°C, washing with n-hexane; elem. anal.; | 86% |
Conditions | Yield |
---|---|
In toluene (N2); using Schlenk techniques; addn. of soln. of HOC6H2(C5H11)2C6H4N3 in toluene to stirred soln. of AlMe3 in toluene at -78°C; warming to room temp.; reflux for 1 h; removal of solvent (vac.); dissolving in MePh; addn. of phenol; reflux for 1 h; removal of all volatiles under vac., washing with n-hexane 3 times; dissolving in CH2Cl2/hexane; cooling at -20°C for a few ds; crystn.; elem. anal.; | 85% |
Conditions | Yield |
---|---|
In dichloromethane at -78 - 20℃; for 12h; Glovebox; Schlenk technique; Inert atmosphere; | 85% |
tinuvin 328
[(η5-cyclopentadienyl)ZrCl2(2-(2H-benzo[d][1,2,3]triazol-2-yl)-4,6-di-tert-pentylphenol(-1H))]2
Conditions | Yield |
---|---|
In toluene (N2); using Schlenk techniques; addn. of CpZrCl3 (1 equiv.) to soln. of 2-(2H-benzo(d)(1,2,3)triazol-2-yl)-4,6-di-tert-pentylphenol (1 equiv.) in toluene at room temp., heating at 50°C for 12 h; filtration, crystn. at -20°C, washing with n-hexane; elem. anal.; | 84% |
Conditions | Yield |
---|---|
In dichloromethane at -78 - 20℃; for 12h; Glovebox; Schlenk technique; Inert atmosphere; | 83% |
copper(II) acetate monohydrate
tinuvin 328
Conditions | Yield |
---|---|
In ethanol for 1h; Reflux; | 83% |
Conditions | Yield |
---|---|
In dichloromethane at 20 - 50℃; for 12h; Schlenk technique; Glovebox; Inert atmosphere; | 81% |
Conditions | Yield |
---|---|
Stage #1: niobium pentachloride; tinuvin 328 In toluene at 0℃; Inert atmosphere; Schlenk technique; Glovebox; Stage #2: In toluene at 20℃; for 12h; Inert atmosphere; Schlenk technique; Glovebox; | 81% |
4-Phenylphenol
trimethylaluminum
tinuvin 328
[Al(O(p-C6H4Ph))(2-(2H-benzo[d][1,2,3]triazol-2-yl)-4,6-di-tert-pentylphenol(-1H))2]
Conditions | Yield |
---|---|
In toluene (N2); using Schlenk techniques; addn. of soln. of HOC6H2(C5H11)2C6H4N3 in MePh to stirred soln. of AlMe3 in MePh at -78°C; warming to room temp.; reflux for 1 h; removal of solvent (vac.); dissolving in MePh; addn. of 4-Ph-phenol; reflux for 1 h; removal of all volatiles under vac., washing with n-hexane 3 times; dissolving in CH2Cl2/hexane; cooling at -20°C for a few ds; crystn.; elem. anal.; | 80% |
Conditions | Yield |
---|---|
In dichloromethane at 20℃; for 12h; Schlenk technique; Glovebox; Inert atmosphere; | 80% |
Conditions | Yield |
---|---|
Stage #1: tantalum pentachloride; tinuvin 328 In toluene at 0℃; Inert atmosphere; Schlenk technique; Glovebox; Stage #2: In toluene at 20℃; for 12h; Inert atmosphere; Schlenk technique; Glovebox; | 80% |
tinuvin 328
2-(2-Hydroxyphenyl)-2H-benzotriazole
Conditions | Yield |
---|---|
With aluminium trichloride; nitromethane In toluene for 7h; Heating; | 79% |
zirconium(IV) tetraisopropoxide 2-propanol
tinuvin 328
C62H98N6O8Zr2
Conditions | Yield |
---|---|
In toluene at -24℃; Schlenk technique; Inert atmosphere; | 79% |
Conditions | Yield |
---|---|
In toluene at 70℃; for 36h; Schlenk technique; Inert atmosphere; | 76% |
tetrakis(dimethylamido)zirconium (IV)
chloro-trimethyl-silane
tinuvin 328
Conditions | Yield |
---|---|
In dichloromethane (N2); using Schlenk techniques; addn. of Zr(NMe2)4 (0.5 equiv.) to soln.of C6H4N3C6H2(t-Bu)2OH (1 equiv.) in CH2Cl2 at room temp., heating at 5 0°C for 12 h, filtration, addn. to TMSCl in CH2Cl2 at room temp.,stirring at room temp. for 5 h; removal of solvent under vac., redissolving in CH2Cl2, filtration, condensing, addn. of hexane, crystn. at -20°C, washing with n-hexane; elem. anal.; | 75% |
In toluene (N2); using Schlenk techniques; tretament of Zr(NMe2)4 (0.5 equiv.) withC6H4N3C6H2(t-Bu)2OH (1 equiv.) in toluene and then addn. of TMSCl in to luene; |
copper(II) acetate monohydrate
N,N-dimethyl-formamide
tinuvin 328
Conditions | Yield |
---|---|
at 70℃; for 1h; | 75% |
Conditions | Yield |
---|---|
In toluene at 70℃; for 24h; Schlenk technique; Inert atmosphere; | 71% |
Conditions | Yield |
---|---|
at 70℃; for 1h; | 35% |
copper(II) bis(trifluoromethanesulfonate)
tinuvin 328
Conditions | Yield |
---|---|
Stage #1: tinuvin 328 With triethylamine In toluene; acetonitrile at 20℃; for 0.166667h; Stage #2: copper(II) bis(trifluoromethanesulfonate) In toluene; acetonitrile at 20℃; | 23% |
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