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inquiryhigh qualityAppearance:white crystalline powder Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
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inquiry(S)-(+)-1-IODO-2-METHYLBUTANECASAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
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inquiryYinghao Pharm products include: leader molecule, heterocyclic compounds,chiral compounds, photoelectric materials, biochemical reagents etc. For example:benzene, pyrimidine, boricacid,pyridine, pyrazole, imidazole, pyrrole, fluorine and other derivat
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inquiryPackage:5 g in ampule Application:(S)-(+)-1-Iodo-2-methylbutane may be used in the synthesis of 4 -trimethylenebis(1-methyl-1-(2-methylbutyl)piperidinium) cation (TMBP2+), to be used as a structure-directing agent (SDA) during the...
high purity Application:Drug intermediates Materials intermediates and active molecules
(S)-2-methylbutyl bromide
(S)-1-iodo-2-methyl-butane
Conditions | Yield |
---|---|
With sodium iodide In acetone 1) 1 h, 25 deg C, 2) 3 h, reflux; | 91% |
(S)-2-methylbutyl tosylate
(S)-1-iodo-2-methyl-butane
Conditions | Yield |
---|---|
With sodium iodide In N,N-dimethyl-formamide at 60℃; for 1h; | 89% |
With sodium iodide In acetone for 6h; Heating; | 75% |
With iodine; magnesium In diethyl ether at 20℃; for 13h; | 71% |
(2S)-2-methyl-1-butanol
(S)-1-iodo-2-methyl-butane
Conditions | Yield |
---|---|
With 1H-imidazole; iodine; triphenylphosphine In dichloromethane at 20℃; for 2h; Inert atmosphere; | 83% |
With 1H-imidazole; iodine; triphenylphosphine In dichloromethane at 20℃; for 5h; | 79% |
With triphenyl phosphite; iodine In dichloromethane | 77% |
(S)-1-iodo-2-methyl-butane
Conditions | Yield |
---|---|
With sodium hydroxide; iodine In tetrahydrofuran; water |
(2S)-2-methyl-1-butanol
(S)-1-iodo-2-methyl-butane
Conditions | Yield |
---|---|
With diethyl ether; magnesium iodide |
(S)-2-Methylbutyl tetrahydropyranyl ether
(S)-1-iodo-2-methyl-butane
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: p-TsOH*H2O / methanol / 4 h / Heating 2: pyridine / 12 h / 0 - 5 °C 3: 75 percent / NaI / acetone / 6 h / Heating View Scheme | |
Multi-step reaction with 3 steps 1: 96 percent / pyridinium p-toluenesulfonate / ethanol / 12 h / Ambient temperature 2: 98 percent / pyridine / 12 h / 0 - 5 °C 3: 66 percent / sodium iodide / acetone / 12 h / Heating View Scheme |
(S)-2-methyl-1-butyl methanesulfonate
(S)-1-iodo-2-methyl-butane
Conditions | Yield |
---|---|
With sodium iodide In acetone Finkelstein reaction; Reflux; |
(S)-1-iodo-2-methyl-butane
1-bromo-2-(methoxymethoxy)benzene
(S)-1-(methoxymethoxy)-2-(2-methylbutyl)benzene
Conditions | Yield |
---|---|
Stage #1: 1-bromo-2-(methoxymethoxy)benzene With magnesium In tetrahydrofuran Kumada coupling reaction; Inert atmosphere; Reflux; Stage #2: (S)-1-iodo-2-methyl-butane With iron(III)-acetylacetonate; N,N,N,N,-tetramethylethylenediamine; hexamethylenetetramine In tetrahydrofuran at 0℃; for 1.5h; Kumada coupling reaction; | 98% |
Stage #1: (S)-1-iodo-2-methyl-butane With magnesium In tetrahydrofuran for 1h; Inert atmosphere; Heating; Stage #2: 1-bromo-2-(methoxymethoxy)benzene With N,N,N,N,N,N-hexamethylphosphoric triamide; iron(III)-acetylacetonate; N,N,N,N,-tetramethylethylenediamine In tetrahydrofuran at 0℃; for 1.5h; Kumada coupling reaction; Inert atmosphere; | 98% |
(S)-1-iodo-2-methyl-butane
((S)-9-Methyl-tridecane-1-sulfonyl)-benzene
((3S,13S)-3,13-Dimethyl-heptadecane-5-sulfonyl)-benzene
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran; N,N,N,N,N,N-hexamethylphosphoric triamide; hexane 1.) -78 deg C to -30 deg C, 2.) -78 deg C to r.t., 5 h; | 95% |
(S)-1-iodo-2-methyl-butane
N-((R)-2-Hydroxy-1-methyl-2-phenyl-ethyl)-N-methyl-propionamide
(2S,4S)-N-[(1'R,2'R)-2'-hydroxy-1'-methyl-2'-phenylethyl]-N-methyl-2,4-dimethylhexanamide
Conditions | Yield |
---|---|
With n-butyllithium; diisopropylamine; lithium chloride In tetrahydrofuran at 23℃; for 18h; | 94% |
(S)-1-iodo-2-methyl-butane
N-[(1S,2S)-2-hydroxy-1-methyl-2-phenylethyl]-N-methylpropionamide
(2R,4S)-N-((1S,2S)-1-hydroxy-1-phenylpropan-2-yl)-N,2,4-trimethylhexanamide
Conditions | Yield |
---|---|
With n-butyllithium; diisopropylamine; lithium chloride In tetrahydrofuran at 23℃; for 20h; | 94% |
Stage #1: N-[(1S,2S)-2-hydroxy-1-methyl-2-phenylethyl]-N-methylpropionamide With n-butyllithium; lithium chloride; lithium diisopropyl amide In tetrahydrofuran; hexane at -78℃; for 1h; Inert atmosphere; Stage #2: (S)-1-iodo-2-methyl-butane In tetrahydrofuran; hexane at 0 - 20℃; for 18h; Inert atmosphere; | 74% |
(S)-1-iodo-2-methyl-butane
(R)-Citronellal
Conditions | Yield |
---|---|
Stage #1: (S)-1-iodo-2-methyl-butane With tert.-butyl lithium In diethyl ether; pentane at -78 - 20℃; for 0.333333h; Inert atmosphere; Stage #2: (R)-Citronellal In diethyl ether; pentane at -78℃; for 1.5h; Inert atmosphere; Stage #3: With hydrogenchloride; ammonium chloride In diethyl ether; water; pentane Cooling with ice; | 86% |
(S)-1-iodo-2-methyl-butane
(S)-Citronellal
(3S,5RS,7S)-3,7,11-trimethyl-10-dodecen-5-ol
Conditions | Yield |
---|---|
Stage #1: (S)-1-iodo-2-methyl-butane With tert.-butyl lithium In diethyl ether; pentane at -78 - 20℃; for 0.333333h; Inert atmosphere; Stage #2: (S)-Citronellal In diethyl ether; pentane at -78℃; for 1.5h; Inert atmosphere; Stage #3: With hydrogenchloride; ammonium chloride In diethyl ether; water; pentane Cooling with ice; | 84% |
(S)-1-iodo-2-methyl-butane
triphenylphosphine
(S)-(2-methyl-butyl)triphenylphosphonium iodide
Conditions | Yield |
---|---|
In toluene at 105℃; for 63h; Inert atmosphere; | 82% |
2-methyl-1,3-dithian
(S)-1-iodo-2-methyl-butane
(S)-(+)-2-(2-methylbutyl)-2-methyl-1,3-dithiane
Conditions | Yield |
---|---|
With n-butyllithium 1.) hexane, THF, -70 degC to 0 degC, 3 h, 2a.) THF, -78 degC, 1 h, 2b.) room temp., 12 h; | 81% |
(S)-1-iodo-2-methyl-butane
(2RS,4S)-(+)-2,4-Dimethylhexansaeure
Conditions | Yield |
---|---|
With N,N,N,N,N,N-hexamethylphosphoric triamide In tetrahydrofuran at -15℃; for 2h; | 80% |
phenylacetic acid
(S)-1-iodo-2-methyl-butane
(2R,4S)-4-methyl-2-phenylhexanoic acid
Conditions | Yield |
---|---|
Stage #1: phenylacetic acid With n-butyllithium; C29H44N4 In tetrahydrofuran; hexanes at 0℃; Inert atmosphere; Stage #2: (S)-1-iodo-2-methyl-butane In tetrahydrofuran; hexanes at -78℃; for 10h; Inert atmosphere; optical yield given as %de; diastereoselective reaction; | 79% |
(S)-1-iodo-2-methyl-butane
(1R,2R)-(-)-pseudoephedrinepropionamide
(2S,4S)-N-[(1'R,2'R)-2'-hydroxy-1'-methyl-2'-phenylethyl]-N-methyl-2,4-dimethylhexanamide
Conditions | Yield |
---|---|
Stage #1: (1R,2R)-(-)-pseudoephedrinepropionamide With n-butyllithium; lithium chloride; lithium diisopropyl amide In tetrahydrofuran; hexane at -78℃; for 1h; Inert atmosphere; Stage #2: (S)-1-iodo-2-methyl-butane In tetrahydrofuran; hexane at 0 - 20℃; for 18h; Inert atmosphere; | 79% |
Stage #1: (1R,2R)-(-)-pseudoephedrinepropionamide With n-butyllithium; diisopropylamine; lithium chloride In tetrahydrofuran; hexane at -78 - 25℃; for 1.33333h; Stage #2: (S)-1-iodo-2-methyl-butane In tetrahydrofuran; hexane at 0 - 25℃; for 24h; |
(S)-1-iodo-2-methyl-butane
diethyl malonate
diethyl S-(+)-2-methyl-1-butyl malonate
Conditions | Yield |
---|---|
With ethanol; sodium In ethanol at 0 - 20℃; | 76.5% |
(S)-1-iodo-2-methyl-butane
((R)-9-Methyl-tridecane-1-sulfonyl)-benzene
((3S,13R)-3,13-Dimethyl-heptadecane-5-sulfonyl)-benzene
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran; N,N,N,N,N,N-hexamethylphosphoric triamide; hexane 1.) -78 deg C to -30 deg C, 2.) -78 deg C to r.t., 5 h; | 72% |
(S)-1-iodo-2-methyl-butane
2,2':6',2''-Terpyridin-4'(1'H)-one
C20H21N3O
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 100℃; for 12h; Inert atmosphere; | 71% |
3-hydroxyquinoline
(S)-1-iodo-2-methyl-butane
(5)-3-(2-methylbutyloxy)quinoline
Conditions | Yield |
---|---|
With potassium carbonate In dimethyl sulfoxide at 80℃; for 4h; | 68% |
phenylacetic acid
(S)-1-iodo-2-methyl-butane
(2S,4S)-4-methyl-2-phenylhexanoic acid
Conditions | Yield |
---|---|
Stage #1: phenylacetic acid With n-butyllithium; N1,N3-bis((R)-1-phenyl-2-(piperidin-1-yl)ethyl)propane-1,3-diamine In tetrahydrofuran; hexanes at 0℃; Inert atmosphere; Stage #2: (S)-1-iodo-2-methyl-butane In tetrahydrofuran; hexanes at -78℃; for 10h; Inert atmosphere; optical yield given as %de; diastereoselective reaction; | 67% |
(S)-1-iodo-2-methyl-butane
(5,10,15,20-tetraphenyl-2-aza-21-carbaporphyrinato)nickel(II)
Conditions | Yield |
---|---|
With potassium carbonate In ethanol; dichloromethane under N2; mixt. of Ni complex and S-2-(methyliodo)butane (7 equiv.) in CH2Cl2-EtOH contg. suspn. of K2CO3 refluxed for 3 h; solvent evapd. under reduced pressure; dissolved in CH2Cl2; chromd. (silica gel, CH2Cl2); second brown-reddish band collected; crystd. from CH2Cl2-hexane; mixt. of two diastereomers (1:1) obtained; | 66% |
(S)-1-iodo-2-methyl-butane
diethyl 5,5′,6,6′,9,9′,10,10′-octamethoxy-2H,2′H-[1,1′-bidibenzo[e,g]isoindole]-3,3′-dicarboxylate
diethyl 5,5′,6,6′,9,9′,10,10′-octamethoxy-2,2′-bis((S)-2-methylbutyl)-2H,2′H-[1,1′-bidibenzo[e,g]isoindole]-3,3′-dicarboxylate
Conditions | Yield |
---|---|
Stage #1: diethyl 5,5′,6,6′,9,9′,10,10′-octamethoxy-2H,2′H-[1,1′-bidibenzo[e,g]isoindole]-3,3′-dicarboxylate With 18-crown-6 ether; potassium carbonate In tetrahydrofuran for 0.5h; Inert atmosphere; Stage #2: (S)-1-iodo-2-methyl-butane In tetrahydrofuran at 90℃; for 48h; Inert atmosphere; | 64% |
(S)-1-iodo-2-methyl-butane
(-)-(S)-2-methyl-1-nitrobutane
Conditions | Yield |
---|---|
With silver(I) nitrite In diethyl ether 1.) 0 deg C, 24 h; 2.) RT, 48 h; | 62% |
(S)-1-iodo-2-methyl-butane
(S)-1,3-benzodithiole-1-oxide
2-<(S)-2'-methylbutyl>-2-<(S)-2"-methylbutyl>-1,3-benzodithiole 1-oxide
Conditions | Yield |
---|---|
With potassium hexamethylsilazane In tetrahydrofuran; toluene for 72h; Ambient temperature; | 54% |
(S)-1-iodo-2-methyl-butane
benzo-1,3-dithiolane-1-oxide
A
2-<(S)-2'-methylbutyl>-2-<(S)-2"-methylbutyl>-1,3-benzodithiole 1-oxide
B
2-<(S)-2'-methylbutyl>-2-<(S)-2"-methylbutyl>-1,3-benzodithiole 1-oxide
Conditions | Yield |
---|---|
With potassium hexamethylsilazane In tetrahydrofuran; toluene Ambient temperature; | A 47% B 40% |
di(pyridin-2-yl)amine
(S)-1-iodo-2-methyl-butane
N-(S)-2-methylbutyldipyridylamine
Conditions | Yield |
---|---|
Stage #1: di(pyridin-2-yl)amine With sodium hydride In dimethyl sulfoxide at 60℃; for 12h; Stage #2: (S)-1-iodo-2-methyl-butane In dimethyl sulfoxide at 60℃; for 24h; | 34% |
bis(acetonitrile)dichloroplatinum(II)
(S)-1-iodo-2-methyl-butane
Conditions | Yield |
---|---|
Stage #1: (S)-1-iodo-2-methyl-butane With potassium; magnesium chloride In tetrahydrofuran for 3h; Stage #2: diiodo-tetra-tert-butylhexaphosphapentaprismane In tetrahydrofuran at -80℃; Stage #3: bis(acetonitrile)dichloroplatinum(II) In tetrahydrofuran for 28h; diastereoselective reaction; | 31% |
(S)-1-iodo-2-methyl-butane
benzo-1,3-dithiolane-1-oxide
A
2-(2'-methylbutyl)-1,3-benzodithiole 1-oxide
B
2-(2'-methylbutyl)-1,3-benzodithiole 1-oxide
C
2-(2'-methylbutyl)-1,3-benzodithiole 1-oxide
D
2-(2'-methylbutyl)-1,3-benzodithiole 1-oxide
Conditions | Yield |
---|---|
With potassium hexamethylsilazane In tetrahydrofuran; toluene for 72h; Ambient temperature; | A 30% B 8% C 8% D 24% |
(S)-1-iodo-2-methyl-butane
2,5-dimethylbutyl-3,6-dithiophen-2-ylpyrrolo[3,4-c]pyrrole-1,4-dione
Conditions | Yield |
---|---|
Stage #1: 3,6-dithiophen-2-yl-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione With potassium carbonate In N,N-dimethyl-formamide at 120℃; Inert atmosphere; Stage #2: (S)-1-iodo-2-methyl-butane In N,N-dimethyl-formamide at 125℃; for 15h; | 30% |
3,6-dibromo-9H-carbazole
(S)-1-iodo-2-methyl-butane
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 100℃; for 24h; | 26% |
dichloro(1,5-cyclooctadiene)palladium(II)
(S)-1-iodo-2-methyl-butane
Conditions | Yield |
---|---|
Stage #1: (S)-1-iodo-2-methyl-butane With potassium; magnesium chloride In tetrahydrofuran for 3h; Stage #2: diiodo-tetra-tert-butylhexaphosphapentaprismane In tetrahydrofuran at -80℃; Stage #3: dichloro(1,5-cyclooctadiene)palladium(II) In tetrahydrofuran for 20.5h; diastereoselective reaction; | 23% |
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