Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities
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inquiryCompetitive Price High Quality Fast Delivery custom-made Welcome to Henan Tianfu Chemical Co., Ltd. website. Our company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; development of noble me
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inquiryProduct Name 8-Hydroxyquinaldine Synonyms 2-Methyl-8-quinolinol; 2-Methylquinolin-8-ol CAS Registry Number 826-81-3 Molecular Structure
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inquiryHenan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
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Appearance:off-white to white solid Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for Synthesis API and Research Transportation:By Sea/Air/Courier Port:Qingdao
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Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and
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inquiryProduct name: 2-Methyl-8-Hydroxyquinoline CAS No.:826-81-3 Molecule Formula:C10H9NO Molecule Weight:159.18 Purity: 99.0% Package: 25kg/drum Description:White crystalline powder Manufacture Standards:Enterprise Standard
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8-Hydroxyquinaldine Basic information Product Name: 8-Hydroxyquinaldine Synonyms: 2-Methylquinolin-8-ol;2-methyl-8-quinolino;8-Hydroxyqinaldine;8-Hydroxyquinaldine,98%;8-Hydroxyquinaldine, 98% 100GR;8-Hydroxyquinaldine, 98% 25GR;8-Hydroxyquina
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inquiry1, High quality with competitive price:2, Fast and safe delivery3.Excellent pre-sales and after-sales service4. Well-trained and professional technologist and sales with rich experience in the field for 5-10 yearsAppearance:see detailed specification
Conditions | Yield |
---|---|
With sulfuric acid; sodium iodide at 110℃; for 1h; | 95% |
8-bromo-2-methylquinoline
2-methyl-8-quinolinol
Conditions | Yield |
---|---|
With copper acetylacetonate; N1-(4-hydroxy-2,6-dimethylphenyl)-N2-(4-hydroxy-3,5-dimethylphenyl)oxalamide; water In water; dimethyl sulfoxide at 80℃; for 24h; Schlenk technique; Inert atmosphere; | 95% |
Conditions | Yield |
---|---|
With 2-hydroxynitrobenzene In sulfuric acid; acetic acid at 120℃; for 8h; Heating; | 94% |
With sulfuric acid; water; 2-hydroxynitrobenzene oder in wss. Salzsaeure; | |
With hydrogenchloride; arsenic(V) oxide; water |
Conditions | Yield |
---|---|
With tetrachloromethane; iron(III) chloride hexahydrate at 150℃; for 8h; Inert atmosphere; Sealed tube; Autoclave; | 88% |
Conditions | Yield |
---|---|
With phospho-tungstic acid; phosphotungstic acid; silica gel for 0.2h; Doebner-Miller reaction; microwave irradiation; | 85% |
With hydrogenchloride at 90℃; for 5h; |
Conditions | Yield |
---|---|
With potassium hydroxide In ethanol at 130℃; for 0.666667h; Friedlaender Quinoline Synthesis; Microwave irradiation; Inert atmosphere; | 84% |
2-methyl-8-quinolinol
Conditions | Yield |
---|---|
Stage #1: 4-(3-hydroxyphenyl)butan-2-one O-2,4-dinitrophenyloxime With sodium hydride In 1,4-dioxane at 50℃; for 20h; Cyclization; Stage #2: With acetic acid; 2,3-dicyano-5,6-dichloro-p-benzoquinone In 1,4-dioxane for 2h; Oxidation; Heating; | 80% |
With sodium hydride; acetic acid; 2,3-dicyano-5,6-dichloro-p-benzoquinone 1) dioxane, reflux, 0.5 h, 2) dioxane, reflux, 2 h; Yield given. Multistep reaction; |
2-methyl-8-quinolinol
Conditions | Yield |
---|---|
Stage #1: 4-(3-hydroxyphenyl)butan-2-one (E)-O-2,4-dinitrophenyloxime With sodium hydride In 1,4-dioxane at 50℃; for 20h; Cyclization; Stage #2: With acetic acid; 2,3-dicyano-5,6-dichloro-p-benzoquinone In 1,4-dioxane for 2h; Oxidation; Heating; | 80% |
Conditions | Yield |
---|---|
With copper acetylacetonate; N1-(4-hydroxy-2,6-dimethylphenyl)-N2-(4-hydroxy-3,5-dimethylphenyl)oxalamide; water In water; dimethyl sulfoxide at 130℃; for 24h; Schlenk technique; Inert atmosphere; | 79% |
Conditions | Yield |
---|---|
With hydrogen bromide for 36h; Inert atmosphere; Reflux; | 76% |
Conditions | Yield |
---|---|
With palladium hydroxide 10 wt. % on activated carbon; hydrogen; triethylamine In ethanol at 43℃; under 9750.98 - 11251.1 Torr; for 6h; Solvent; Reagent/catalyst; Pressure; | 62.67% |
Conditions | Yield |
---|---|
With 2,4,6-trimethyl-pyridine; oxygen; palladium diacetate; trifluoroacetic acid at 150℃; for 36h; Schlenk technique; | 58% |
8-hydroxy-2-methyl-1,2,3,4-tetrahydroquinoline
2-methyl-8-quinolinol
Conditions | Yield |
---|---|
With 1,10-Phenanthroline; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; potassium tert-butylate; oxygen; nickel dibromide In tert-Amyl alcohol at 95℃; for 48h; | 56% |
8-methoxy-2-methylquinoline
methylamine
A
2-methyl-8-quinolinol
B
8-methylaminoquinaldine
Conditions | Yield |
---|---|
With ammonium chloride In ethanol at 200℃; for 20h; | A 30% B 55% |
8-methoxy-2-methylquinoline
A
2-methyl-8-quinolinol
B
8-methylaminoquinaldine
Conditions | Yield |
---|---|
With ammonium chloride; methylamine In ethanol at 200℃; for 20h; | A 30% B 55% |
2-amino-3-(1-hydroxybut-3-enyl)phenol
2-methyl-8-quinolinol
Conditions | Yield |
---|---|
With 1,10-Phenanthroline; air; palladium diacetate In methanol at 40℃; under 760.051 Torr; for 36h; | 53% |
A
2-methyl-8-quinolinol
B
8-hydroxy-2-methyl-1,2,3,4-tetrahydroquinoline
Conditions | Yield |
---|---|
With sodium hydride In 1,4-dioxane at 50℃; for 20h; Cyclization; | A 36% B 41% |
A
2-methyl-8-quinolinol
B
8-hydroxy-2-methyl-1,2,3,4-tetrahydroquinoline
Conditions | Yield |
---|---|
With sodium hydride In 1,4-dioxane for 0.5h; Heating; | A 37% B 33% |
With sodium hydride In 1,4-dioxane for 0.5h; Product distribution; Heating; var. of base, no differences in reactions of the isolated (E)- and (Z)-isomers; | A 37% B 33% |
Conditions | Yield |
---|---|
With sodium hydride In 1,4-dioxane for 0.5h; Heating; | A 20% B 7% |
With air; sodium hydride In 1,4-dioxane at 50℃; for 20h; Cyclization; | A 20% B 7% |
Conditions | Yield |
---|---|
With 1,4-dioxane; aniline hydrochloride |
LACTIC ACID
2-amino-phenol
2-hydroxynitrobenzene
2-methyl-8-quinolinol
Conditions | Yield |
---|---|
With sulfuric acid |
Conditions | Yield |
---|---|
With hydrogenchloride | |
With hydrogenchloride; aluminium trichloride |
2-methyl-8-quinolinol
Conditions | Yield |
---|---|
With potassium hydroxide | |
With potassium hydroxide |
tetrakis(2-methyl-8-quinolinolato)thorium(IV) * 2-methyl-8-quinolinol
2-methyl-8-quinolinol
Conditions | Yield |
---|---|
70-155°C; |
Conditions | Yield |
---|---|
With sodium hydroxide In neat (no solvent) VO(meox)2-O-VO(meox)2 heated in Abderhalden's dryer with sodium hydroxide as a trap for vaporized 8-quinolinol; complex recrystd. from chlorobenzene; |
2-methyl-8-benzenesulfonyloxyquinoline
A
2-methyl-8-quinolinol
B
benzenesulfonate
Conditions | Yield |
---|---|
In water-d2; [D3]acetonitrile at 25℃; pH=7.4; Quantum yield; HEPES buffer; UV-irradiation; Inert atmosphere; |
2-methyl-8-quinolinyl-β-D-glucopyranoside
A
2-methyl-8-quinolinol
B
β-D-glucose
Conditions | Yield |
---|---|
With β-glucosidase from almonds; water In aq. phosphate buffer at 37℃; for 4h; pH=7.4; Reagent/catalyst; Enzymatic reaction; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sulfuric acid; sodium iodide / 6 h / 110 °C / Inert atmosphere 2: hydrogen bromide / 36 h / Inert atmosphere; Reflux View Scheme |
Conditions | Yield |
---|---|
With Aeromonas proteolytica aminopeptidase; N-2-hydroxyethylpiperazine-N'-2-ethanesulfonic acid In dimethyl sulfoxide at 25℃; pH=8; Kinetics; Enzymatic reaction; |
Conditions | Yield |
---|---|
for 15h; Acetylation; Heating; | 100% |
Reflux; | 99% |
at 138℃; for 5h; | 95% |
2-(3-bromomethyl-2,4-dichlorobenzenesulfonylamino)-2-methylpropionic acid tert-butyl ester
2-methyl-8-quinolinol
2-[2,4-dichloro-3-(2-methylquinolin-8-yloxymethyl)benzenesulfonylamino]-2-methylpropionic acid tert-butyl ester
Conditions | Yield |
---|---|
Stage #1: 2-methyl-8-quinolinol With sodium hydride In N,N-dimethyl-formamide Stage #2: 2-(3-bromomethyl-2,4-dichlorobenzenesulfonylamino)-2-methylpropionic acid tert-butyl ester In N,N-dimethyl-formamide at 20℃; | 100% |
2-methyl-8-quinolinol
Conditions | Yield |
---|---|
In ethanol room temp., equiv. amts., pptn.; | 100% |
2-methyl-8-quinolinol
chloromethyl methyl ether
8-(methoxymethoxy)-2-methylquinoline
Conditions | Yield |
---|---|
Stage #1: 2-methyl-8-quinolinol With sodium hydride In N,N-dimethyl-formamide at 20℃; for 1h; Inert atmosphere; Stage #2: chloromethyl methyl ether In N,N-dimethyl-formamide at 20℃; for 1h; Inert atmosphere; | 100% |
2-methyl-8-quinolinol
benzenesulfonyl chloride
2-methyl-8-benzenesulfonyloxyquinoline
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 0 - 20℃; for 1.5h; | 99% |
With triethylamine In dichloromethane at 0 - 20℃; for 24.5h; | 97% |
With triethylamine In benzene at 20 - 100℃; | 91% |
2-methyl-8-quinolinol
trifluoromethylsulfonic anhydride
2-methyl-8-quinolinyl trifluoromethanesulfonate
Conditions | Yield |
---|---|
With pyridine at 20℃; for 3h; triflation; | 99% |
With pyridine In dichloromethane at 0 - 25℃; Inert atmosphere; | 98% |
With 2,6-dimethylpyridine In dichloromethane at -20℃; for 1h; | 98% |
2-methyl-8-quinolinol
formaldehyd
1,4,10,13-tetraoxa-7,16-diazacyclooctadecane
1,10-bis((2-methyl-8-hydroxy-7-quinolinyl)methyl)-1,10-diaza-18-crown-6 ether
Conditions | Yield |
---|---|
In 1,4-dioxane for 2h; Product distribution / selectivity; Microwave irradiation; | 99% |
In 1,4-dioxane for 2h; Mannich reaction; Inert atmosphere; Microwave irradiation; | 95% |
Conditions | Yield |
---|---|
With aluminum (III) chloride; N-chloro-succinimide In dichloromethane at 35℃; for 8h; Temperature; Solvent; Darkness; Green chemistry; | 98.8% |
With hydrogenchloride; chlorine In water Reagent/catalyst; Inert atmosphere; Darkness; | 98.9% |
With hydrogenchloride; sodium hypochlorite In water at 20 - 30℃; for 4.5h; Temperature; | 97.7% |
Conditions | Yield |
---|---|
In toluene N2-atmosphere; stirring (room temp., 5 min); pptn. on concg. (vac., -40°C, 24 h), filtering; | 98.5% |
2-methyl-8-quinolinol
cyclopropylcarbinyl bromide
8-(cyclopropylmethoxy)-2-methylquinoline
Conditions | Yield |
---|---|
With potassium carbonate In acetone at 88℃; for 48h; Sealed flask; | 98.5% |
With potassium carbonate In N,N-dimethyl-formamide at 60℃; for 13h; | |
With potassium carbonate In N,N-dimethyl-formamide at 60℃; for 13h; |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 10h; | 98% |
With sodium carbonate In ethanol; acetone at 20℃; for 12h; Darkness; | 90% |
With sodium carbonate In ethanol; acetone at 20℃; for 12h; Inert atmosphere; | 90% |
2-methyl-8-quinolinol
5,7-dibromo-2-methylquinolin-8-ol
Conditions | Yield |
---|---|
With bromine In methanol at 20℃; for 0.0833333h; | 98% |
With bromine; sodium hydrogencarbonate In methanol at 20℃; for 0.0833333h; | 97% |
With bromine; sodium hydrogencarbonate In methanol at 20℃; for 0.0833333h; | 97% |
2-methyl-8-quinolinol
tert-butyldimethylsilyl chloride
8-tert-butyldimethylsilyloxy-2-methyl-quinoline
Conditions | Yield |
---|---|
With 1H-imidazole; dmap In N,N-dimethyl-formamide at 20℃; | 98% |
With 1H-imidazole In dichloromethane at 20℃; for 10h; | 96% |
With 1H-imidazole In dichloromethane | |
In dichloromethane | |
With 1H-imidazole In dichloromethane at 20℃; for 12h; Inert atmosphere; |
Conditions | Yield |
---|---|
With acetic acid In toluene for 0.25h; Inert atmosphere; Glovebox; Schlenk technique; Reflux; | 98% |
Conditions | Yield |
---|---|
Stage #1: 2-methyl-8-quinolinol With potassium tert-butylate In tetrahydrofuran for 3h; Reflux; Inert atmosphere; Stage #2: methyl iodide In tetrahydrofuran at 20℃; for 6h; Inert atmosphere; | 97% |
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 12h; | 97% |
Stage #1: 2-methyl-8-quinolinol With triethylamine In acetone at 20℃; for 0.333333h; Stage #2: methyl iodide In acetone at 20℃; for 8h; Darkness; | 95% |
Conditions | Yield |
---|---|
In nitrobenzene at 175 - 180℃; for 3h; | 97% |
Conditions | Yield |
---|---|
In toluene to a toluene soln. of AlEt3 was added dropwise a toluene soln. of 2-methyl-8-quinolinol for 1 h, the mixt. was stirred at room temp. for 12 h (inert atm.); ppt. was washed with toluene and dried in vac.; elem. anal.; | 97% |
In toluene byproducts: C2H6; (N2); Al(C2H5)3 in toluene added dropwise to a soln. of ligand, stirred for 12 h at 298 K; sepd., evapd. (vac.), washed (hexane), filtered, dried (vac.); elem. anal.; | 64% |
In toluene Heating / reflux; |
Conditions | Yield |
---|---|
In toluene (inert gas); reaction of aluminium compd. with quinolinol deriv. in ratio 1:2 in toluene; I. Yamaguchi, T. Iijima, T. Yamamoto, J. Orgamonet. Chem. 654 (2002) 229 (Erratum: J.Organomet. Chem. 658 (2002) 281); NMR; | 97% |
Conditions | Yield |
---|---|
With dmap; triethylamine In dichloromethane at 0 - 20℃; for 5.5h; | 97% |
2-methyl-8-quinolinol
Conditions | Yield |
---|---|
With water-d2; benzoic acid at 120℃; for 4h; | 97% |
With water-d2; benzoic acid at 120℃; for 8h; Inert atmosphere; Schlenk technique; |
2-methyl-8-quinolinol
3,4-dichlorobenzaldehyde
2-[2-(3,4-dichlorophenyl)vinyl]quinoline-8-ol
Conditions | Yield |
---|---|
In acetic anhydride at 120℃; for 20h; Inert atmosphere; | 96.9% |
Multi-step reaction with 2 steps 1: 16 h / 130 °C / Inert atmosphere 2: pyridine; water / 3 h / 100 °C View Scheme |
Conditions | Yield |
---|---|
With dihydrogen peroxide In water at 20℃; for 2h; Irradiation; | 96% |
2-methyl-8-quinolinol
3,5-bis(trifluoromethyl)benzyl bromide
Conditions | Yield |
---|---|
With potassium hydroxide In tetrahydrofuran at 20℃; | 96% |
2-methyl-8-quinolinol
2-methyl-8-aminoquinoline
Conditions | Yield |
---|---|
With ammonium sulfate; ammonium hydroxide at 170℃; for 48h; | 95% |
With ammonium hydroxide; 2H3N*O3S(2-)*H2O*2H(1+) at 170℃; for 48h; | 45% |
With ammonium hydroxide; sodium hydrogensulfite at 200℃; |
2-methyl-8-quinolinol
2-formyl oxine
Conditions | Yield |
---|---|
With selenium(IV) oxide In 1,4-dioxane at 80℃; for 24h; | 95% |
With selenium(IV) oxide In 1,4-dioxane; water at 80℃; for 24h; Inert atmosphere; | 90% |
With selenium(IV) oxide In 1,4-dioxane; water at 60℃; for 12.5h; Reflux; | 86% |
2-methyl-8-quinolinol
tetrakis(trimethylsilylmethyl)zirconium(IV)
Conditions | Yield |
---|---|
In pentane; benzene N2-atmosphere; stirring (room temp., 1 h); evapn. (vac.); | 95% |
2-methyl-8-quinolinol
tert-butylphenylphosphinic acid chloride
2-methylquinolin-8-yl tert-butyl(phenyl)posphinate
Conditions | Yield |
---|---|
With sodium hydride In tetrahydrofuran for 24h; Reflux; Inert atmosphere; | 95% |
2-methyl-8-quinolinol
phenyl N-tosyl imine
N-(2-(8-hydroxyquinolin-2-yl)-1-phenylethyl)-4-methylbenzenesulfonamide
Conditions | Yield |
---|---|
With scandium tris(trifluoromethanesulfonate) In tetrahydrofuran at 120℃; for 24h; Inert atmosphere; screw-cap vial; | 95% |
2-methyl-8-quinolinol
1,3-bis-(bromomethyl)benzene
1,3-bis-(2-methyl-8-quinolyloxymethyl)benzene
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; sodium hydroxide In dichloromethane; water at 20℃; for 4h; | 95% |
Stage #1: 2-methyl-8-quinolinol With potassium carbonate In acetonitrile at 80℃; for 0.166667h; Stage #2: 1,3-bis-(bromomethyl)benzene In acetonitrile at 80℃; for 12h; | 80% |
Stage #1: 2-methyl-8-quinolinol With potassium carbonate In acetonitrile at 80℃; for 0.166667h; Stage #2: 1,3-bis-(bromomethyl)benzene In acetonitrile at 80℃; for 12h; | 80% |
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