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inquiryCyasorb UV 5411
2-(2-Hydroxyphenyl)-2H-benzotriazole
Conditions | Yield |
---|---|
With aluminium trichloride; nitromethane In toluene for 7h; Heating; | 88% |
2-(2'H-benzotriazol-2'-yl)-4,6-di-tert-butylphenol
2-(2-Hydroxyphenyl)-2H-benzotriazole
Conditions | Yield |
---|---|
With aluminium trichloride; nitromethane In toluene for 7h; Heating; | 86% |
2-(2-methoxyphenyl)-2H-benzo[d][1,2,3]triazole
2-(2-Hydroxyphenyl)-2H-benzotriazole
Conditions | Yield |
---|---|
With hydrogen bromide In acetic acid for 3h; Heating; | 85% |
With hydrogen bromide for 16h; Heating; | 80% |
2-(2-Hydroxyphenyl)-2H-benzotriazole
Conditions | Yield |
---|---|
With aluminium trichloride; nitromethane In toluene for 7h; Heating; | 81% |
tinuvin 328
2-(2-Hydroxyphenyl)-2H-benzotriazole
Conditions | Yield |
---|---|
With aluminium trichloride; nitromethane In toluene for 7h; Heating; | 79% |
2-(2'H-benzotrizol-2'-yl)-6-t-butyl-4-(α,α-dimethylbenzyl)phenol
A
2-(2'H-benzotriazol-2'-yl)-6-t-butylphenol
B
2-(2'H-benzotriazol-2'-yl)-4-(α,α-dimethylbenzyl)phenol
C
2-(2-Hydroxyphenyl)-2H-benzotriazole
Conditions | Yield |
---|---|
With aluminium trichloride; nitromethane In toluene for 96h; Ambient temperature; | A n/a B 43% C n/a |
With aluminium trichloride; nitromethane In toluene for 96h; Ambient temperature; Title compound not separated from byproducts; | A n/a B 43% C n/a |
2-(2H'-benzotriazol-2'-yl)-4-t-butyl-6-(α,α-dimethylbenzyl)phenol
A
2-(5-tert-butyl-2-hydroxyphenyl)benzotriazole
B
2-(2-Hydroxyphenyl)-2H-benzotriazole
Conditions | Yield |
---|---|
With aluminium trichloride; nitromethane In toluene for 7h; Heating; | A 27 % Spectr. B 22 % Spectr. C 22% |
With aluminium trichloride; nitromethane In toluene for 7h; Heating; Title compound not separated from byproducts; | A 27 % Spectr. B 22 % Spectr. C 34 % Spectr. |
2-(2'H-benzotriazol-2'-yl)-4,6-di-tert-butylphenol
A
2-(5-tert-butyl-2-hydroxyphenyl)benzotriazole
B
2-(2'H-benzotriazol-2'-yl)-6-t-butylphenol
C
2-(2-Hydroxyphenyl)-2H-benzotriazole
Conditions | Yield |
---|---|
With aluminium trichloride; nitromethane In toluene for 7h; Heating; | A 29 % Spectr. B 10 % Spectr. C 50 % Spectr. |
tinuvin 328
A
2-(2-Hydroxyphenyl)-2H-benzotriazole
Conditions | Yield |
---|---|
With aluminium trichloride; nitromethane In toluene for 7h; Heating; | A 59 % Spectr. B 9 % Spectr. C 25 % Spectr. |
2-nitro-aniline
2-(2-Hydroxyphenyl)-2H-benzotriazole
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 1.) aq. HCl, NaNO2, 2.) aq. NaOH / 1.) 0 deg C, 2.) CH3OH, 0 - 5 deg C, 30 min 2: 85 percent / Zn, NaOH / ethanol; H2O / 2 h / Heating 3: AlCl3, CH3NO2 / toluene / 96 h / Ambient temperature View Scheme | |
Multi-step reaction with 3 steps 1: 1.) aq. HCl, NaNO2, 2.) aq. NaOH / 1.) 0 deg C, 2.) CH3OH, 0 - 5 deg C, 30 min 2: 48 percent / Zn, NaOH / ethanol; H2O / 2 h / Heating 3: 22 percent Spectr. / AlCl3, CH3NO2 / toluene / 7 h / Heating View Scheme |
2-(2-Hydroxyphenyl)-2H-benzotriazole
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 48 percent / Zn, NaOH / ethanol; H2O / 2 h / Heating 2: 81 percent / AlCl3, CH3NO2 / toluene / 7 h / Heating View Scheme |
2-tert-Butyl-4-(1-methyl-1-phenyl-ethyl)-6-(2-nitro-phenylazo)-phenol
2-(2-Hydroxyphenyl)-2H-benzotriazole
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 85 percent / Zn, NaOH / ethanol; H2O / 2 h / Heating 2: AlCl3, CH3NO2 / toluene / 96 h / Ambient temperature View Scheme |
4-tert-Butyl-2-(1-methyl-1-phenyl-ethyl)-6-(2-nitro-phenylazo)-phenol
2-(2-Hydroxyphenyl)-2H-benzotriazole
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 48 percent / Zn, NaOH / ethanol; H2O / 2 h / Heating 2: 22 percent Spectr. / AlCl3, CH3NO2 / toluene / 7 h / Heating View Scheme |
2-methoxy-phenylamine
2-(2-Hydroxyphenyl)-2H-benzotriazole
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 51 percent / acetic acid / Ambient temperature 2: 65 percent / 4N NaOH, thiourea dioxide / ethanol / 0.5 h / 80 °C 3: 85 percent / HBr / acetic acid / 3 h / Heating View Scheme |
2-methoxy-2'nitroazobenzene
2-(2-Hydroxyphenyl)-2H-benzotriazole
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 65 percent / 4N NaOH, thiourea dioxide / ethanol / 0.5 h / 80 °C 2: 85 percent / HBr / acetic acid / 3 h / Heating View Scheme |
o-nitronitrosobenzene
2-(2-Hydroxyphenyl)-2H-benzotriazole
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 51 percent / acetic acid / Ambient temperature 2: 65 percent / 4N NaOH, thiourea dioxide / ethanol / 0.5 h / 80 °C 3: 85 percent / HBr / acetic acid / 3 h / Heating View Scheme |
5-(2-methoxyphenyl)-1-(2-nitrophenyl)tetrazole
2-(2-Hydroxyphenyl)-2H-benzotriazole
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 81 percent / nitrobenzene / 0.5 h / Heating 2: 80 percent / HBr / 16 h / Heating View Scheme |
2-(2-Hydroxyphenyl)-2H-benzotriazole
Conditions | Yield |
---|---|
With iron(III) chloride In dichloromethane; water |
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