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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inquiryJ&H CHEM 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. J&H CHEM has some Manufacturing base in Jia
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inquiryLower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
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Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea
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high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:Beijing or Guangzhou
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Cas:1439-07-2
Min.Order:10 Milligram
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Type:Lab/Research institutions
inquiryNanjing Chemlin Chemical Industry Co., Ltd was established in Aug,1999, located in the industrial park of Nanjing University of Technology, It is a private enterprises in Jiangsu Province with 1200 square meters’ R&D center. Our R&D center has a well
At Capot,We can synthesize and purify your complex molecules from 100 gram to 10 tons.Appearance:Clear colorless to light yellow liquid Storage:Dry,Seal and Cool place Package:1G,5G,10G,25G,100G,250G,500G,1KG,5KG,10KG,25KG,50KG,100KG,150KG,200KG. App
Shanghai, Run-Biotech Co., Ltd is a leading domestic pharmaceutical, biopharmaceutical, and health care products R & D outsourcing services company. As an innovation-driven and customer-focused company, Run Biotech provides a broad and integrated por
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high purity Application:Drug intermediates Materials intermediates and active molecules
Conditions | Yield |
---|---|
With 3-chloro-benzenecarboperoxoic acid; iron(III) perchlorate In acetonitrile at -10℃; for 0.0833333h; | 100% |
With sodium periodate; 5-Nitro-1,10-phenanthroline; iron(II) sulfate In dichloromethane; water at 20℃; for 20h; | 100% |
With (5,10,15,20-tetrakis(p-methoxyphenyl)-21H,23H-porphyrinate)cobalt(II); oxygen; isobutyraldehyde In acetonitrile for 3h; Ambient temperature; | 100% |
Conditions | Yield |
---|---|
With sodium chlorite; edetate disodium In water; acetonitrile at 55 - 65℃; for 14h; | 100% |
With urea hydrogen peroxide adduct; ruthenium(2,2',6':2''-terpyridine)(2,6-pyridinedicarboxylate) In tert-Amyl alcohol at 20℃; for 1h; Product distribution; Further Variations:; Catalysts; Reagents; | 99% |
With Oxone; ethylenediaminetetraacetic acid; sodium carbonate In water; acetonitrile at 0 - 20℃; for 6h; | 98% |
benzaldehyde
dimethyl<(phenyl)trimethylsilylmehyl>sulfoniumtrifluoromethanesulfonate
trans-Stilbene oxide
Conditions | Yield |
---|---|
With cesium fluoride In 1,2-dimethoxyethane at 45℃; for 18h; | 98% |
Conditions | Yield |
---|---|
With thiophene; N-benzyl-N,N,N-triethylammonium chloride; dirhodium tetraacetate In acetonitrile at 40℃; for 24h; | A n/a B 98% |
Conditions | Yield |
---|---|
With hydrotris(3,4,5-tribromopyrazolyl)borate Cu (NCMe); dimethylsulfide In dichloromethane; toluene at 20℃; for 2h; Catalytic behavior; Reagent/catalyst; Solvent; Inert atmosphere; diastereoselective reaction; | 95% |
With copper acetylacetonate; ethyl isopropyl sulfide In dichloromethane | 73% |
sodium 2-benzylidene-1-tosylhydrazin-1-ide
benzaldehyde
trans-Stilbene oxide
Conditions | Yield |
---|---|
With thiophene; dirhodium tetraacetate; N-benzyl-N,N,N-triethylammonium chloride In acetonitrile at 40℃; for 3h; | 95% |
Conditions | Yield |
---|---|
With 1H-imidazole; chloro(meso-tetrakis(2,6-dichlorophenyl)porphyrinato)manganese(III); dihydrogen peroxide In dichloromethane; acetonitrile for 2h; Ambient temperature; | A 94% B 3% |
With 1H-imidazole; manganese(III) meso-tetraphenylporphyrin acetate; tetrabutylammonium periodite In dichloromethane; tert-butyl alcohol at 22℃; for 5h; Inert atmosphere; | A 92% B 3% |
With oxygen In water at 25℃; under 760.051 Torr; for 4h; | A n/a B 92% |
cis-stilben
A
phenyl benzyl ketone
B
cis-1,2-diphenyloxirane
trans-Stilbene oxide
Conditions | Yield |
---|---|
With 1H-imidazole; dihydrogen peroxide; Mn(TDCPP)Cl In dichloromethane; acetonitrile for 0.25h; Ambient temperature; | A 2% B 92% C 2% |
With tert.-butylhydroperoxide In water; acetonitrile at 85℃; for 24h; Catalytic behavior; | A 7.2 %Chromat. B 42.3% C 8.3% |
With O(3P) prepared by O2 discharge at 0℃; for 0.5h; | A 29% B 31% C 40% |
Conditions | Yield |
---|---|
With [bis(acetoxy)iodo]benzene; ruthenium(2,2',6':2''-terpyridine)(2,6-pyridinedicarboxylate) In dichloromethane for 72h; Ambient temperature; | A n/a B 92% |
With oxygen; isobutyraldehyde; 4 In water; 1,2-dichloro-ethane at 40℃; for 72h; | A 15% B 83% |
With pyridine N-oxide; oxochromium(V) complex of tetramethylsalen IIb In acetonitrile | A 10% B 81% |
Conditions | Yield |
---|---|
With sodium hydrogencarbonate; 3-chloro-benzenecarboperoxoic acid In dichloromethane at 20℃; | 91% |
With Perbenzoic acid; chloroform | |
With 3-chloro-benzenecarboperoxoic acid |
1-benzyl-3-methylbenzotriazolium iodide
benzaldehyde
trans-Stilbene oxide
Conditions | Yield |
---|---|
With potassium tert-butylate In dimethyl sulfoxide; tert-butyl alcohol at 20℃; optical yield given as %de; diastereoselective reaction; | A 90% B 70% |
Conditions | Yield |
---|---|
With triphenyl-arsane; N-benzyl-N,N,N-triethylammonium chloride; dirhodium tetraacetate In acetonitrile at 40℃; | 89% |
Conditions | Yield |
---|---|
With dimethyl sulfoxide; sodium hydroxide at 20℃; for 4h; Reagent/catalyst; | 89% |
With (1R,2R,4R)-(+)-isobornyl methyl sulfide; sodium hydroxide In acetonitrile for 72h; | 50% |
cyclic sulfate of meso-hydrobenzoin
trans-Stilbene oxide
Conditions | Yield |
---|---|
With sodium hydroxide In tetrahydrofuran; methanol at 20℃; for 1h; | 86% |
Conditions | Yield |
---|---|
With dihydrogen peroxide; iron(III) perchlorate In acetonitrile Product distribution; Heating; other oxidant, other catalysts; | A 85% B 15% |
With 2MnIVTPP; 5,15,10,20-tetraphenylporphyrin In chlorobenzene at 25℃; | A n/a B 37% |
With pyridine; sodium hypochlorite; benzyldimethyltetradecylammonium chloride; [MnIII(TPP)(OAc)] In dichloromethane; water for 5h; Ambient temperature; Yields of byproduct given; | A n/a B 20% |
Conditions | Yield |
---|---|
With trifluoromethylsulfonic anhydride; polymer-supported triphenylphosphine oxide; N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; | 85% |
With N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; | 85% |
With diethoxyltriphenylphosphorane In toluene at 100℃; for 18h; |
Conditions | Yield |
---|---|
With dimethyl sulfoxide; sodium hydroxide at 20℃; for 12h; Reagent/catalyst; | 85% |
With dimethyl sulfoxide; silver(l) oxide at 20℃; Inert atmosphere; | 48% |
Multi-step reaction with 3 steps 1: 1.) n-butyllithium / 1.) ether, -20 deg C, 1 h., 2.) ether 2: 100 percent / benzene / 0 °C 3: 80 percent / flame-dried cesium fluoride / 1,2-dimethoxy-ethane / 12 h / 40 °C View Scheme |
Conditions | Yield |
---|---|
In acetonitrile at 22℃; Corey-Chaikovsky reaction; Electrolysis; | 83% |
benzaldehyde
methyl (phenylmethyl)<(trimethylsilyl)methyl>sulfonium trifluoromethanesulfonate
trans-Stilbene oxide
Conditions | Yield |
---|---|
With cesium fluoride In 1,2-dimethoxyethane at 40℃; for 12h; | 80% |
(1S,2R)-1,2-diphenylethane-1,2-diol
p-toluenesulfonyl chloride
trans-Stilbene oxide
Conditions | Yield |
---|---|
With triethylamine; di(n-butyl)tin oxide In dichloromethane at 20℃; for 0.666667h; | A 5% B 80% |
With di(n-butyl)tin oxide; triethylamine In dichloromethane at 20℃; for 0.666667h; Tosylation; |
1-benzyltetrahydro-1H-thiophen-1-ium bromide
benzyl alcohol
trans-Stilbene oxide
Conditions | Yield |
---|---|
With barium manganate; 1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidine In acetonitrile at 60℃; for 1h; Corey-Tschaikosky Epoxidation; | 78% |
Stage #1: benzyl alcohol With manganese(IV) oxide In chloroform for 2h; Reflux; Stage #2: 1-benzyltetrahydro-1H-thiophen-1-ium bromide With 1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidine In chloroform for 0.333333h; | 68% |
cis-stilben
A
benzaldehyde
B
cis-1,2-diphenyloxirane
trans-Stilbene oxide
Conditions | Yield |
---|---|
With meso-tetrakis(pentafluorophenyl)porphirinato Fe(IV) nitrate; dihydrogen peroxide In dichloromethane; acetonitrile at 20℃; for 0.166667h; Product distribution; Further Variations:; Reagents; Epoxidation; Oxidation; | A 3% B 74% C 3% |
With Ni(N-(2-pyridylmethyl)-N’-(2-hydroxyethyl)ethylenediamine)(N3)2; 3-chloro-benzenecarboperoxoic acid In dichloromethane; acetonitrile at 20℃; for 0.166667h; | A 16.1% B 6.8% C 64.6% |
With iodosylbenzene; tetraphenylporphyrine aluminum chloride In toluene for 24h; Ambient temperature; | A 0.0008 mmol B 62% C 0.005 mmol |
(+/-)-trans-5,6-diphenyl-1,4-dioxane-2,3-dione
trans-Stilbene oxide
Conditions | Yield |
---|---|
In acetonitrile for 0.5h; Irradiation; | 73% |
C18H20Cl2O
trans-Stilbene oxide
Conditions | Yield |
---|---|
With potassium tert-butylate In dimethyl sulfoxide at 25℃; for 0.75h; | 70% |
erythro-1,2-Diphenyl-1,2-ethanediol
trans-Stilbene oxide
Conditions | Yield |
---|---|
With sodium hydroxide; methanesulfonyl chloride; N-benzyl-N,N,N-triethylammonium chloride In dichloromethane for 0.5h; Heating; | 70% |
Conditions | Yield |
---|---|
With phenyllithium | A 7% B 66% |
Conditions | Yield |
---|---|
With sodium hydroxide; Aliquat 336 In dichloromethane at 0℃; for 24h; Product distribution; other sulfonium salts and aldehydes; also without phase transfer catalyst; | A 6% B 66% |
Conditions | Yield |
---|---|
With potassium tert-butylate In dimethyl sulfoxide; tert-butyl alcohol at 20℃; optical yield given as %de; diastereoselective reaction; | A n/a B n/a C 66% |
(E)-1,2-diphenyl-ethene
A
benzaldehyde
B
cis-1,2-diphenyloxirane
trans-Stilbene oxide
Conditions | Yield |
---|---|
With Ni(N-(2-pyridylmethyl)-N’-(2-hydroxyethyl)ethylenediamine)(N3)2; 3-chloro-benzenecarboperoxoic acid In dichloromethane; acetonitrile at 20℃; for 0.166667h; | A 17.8% B 9.4% C 64.5% |
With iodosylbenzene; tetraphenylporphyrine aluminum chloride In toluene for 24h; Ambient temperature; | A 0.002 mmol B 0.003 mmol C 6.4% |
With tert.-butylhydroperoxide; molecular sieve In Petroleum ether for 24h; Ambient temperature; | A 0.27 % Spectr. B 0.18 % Spectr. C 9.35 % Spectr. |
With Ru(VI)(octaethylporphyrin)(O)2 In dichloromethane for 24h; Yield given. Yields of byproduct given; | |
With iodoxybenzene; bis(acetylacetonato) oxovanadium(IV) In benzene for 4h; Product distribution; | A 38 % Chromat. B 10 % Chromat. C 13 % Chromat. |
(E)-1,2-diphenyl-ethene
A
styrene oxide
B
benzoic acid
trans-Stilbene oxide
Conditions | Yield |
---|---|
With tetrachloromethane; 18-crown-6 ether In acetonitrile at 10℃; | A 11% B 11% C 62% |
sodium methylate
trans-Stilbene oxide
erythro-2-methoxy-1,2-diphenylethanol
Conditions | Yield |
---|---|
In methanol for 108h; Heating; | 100% |
Conditions | Yield |
---|---|
With <(n-C4H9)3SnAl(C2H5)3>(1-)*Li(1+) In tetrahydrofuran; hexane at 25℃; for 24h; Product distribution; (C6H5)(CH3)2SiAl(C2H5)2 as deoxygenation reagent; | 100% |
With vanadium monochloride In tetrahydrofuran at 25℃; for 12h; Inert atmosphere; | 100% |
With n-Bu3Sn-AlMe3Li In tetrahydrofuran; hexane at 25℃; for 3h; | 98% |
Conditions | Yield |
---|---|
With lithium bromide at 150℃; for 4h; | 100% |
piperidine
trans-Stilbene oxide
1,2-diphenyl-2-(piperidin-1-yl)ethanol
Conditions | Yield |
---|---|
bismuth(lll) trifluoromethanesulfonate at 160℃; for 0.25h; microwave irradiation; | 100% |
Conditions | Yield |
---|---|
With erbium(III) triflate In dichloromethane at 20℃; for 0.75h; | 99% |
With trimethylaluminum; 1,3-bis(3-t-butyl-5-methylsalicyl)benzene In dichloromethane Ambient temperature; | 98% |
With copper(II) tetrafluoroborate hydrate In dichloromethane for 1.5h; Meinwald rearrangement; Reflux; regioselective reaction; | 95% |
trans-Stilbene oxide
1,2-Diphenylethanol
Conditions | Yield |
---|---|
With formic acid; triethylamine; Pd0-EnCatTM In ethyl acetate at 23℃; for 5h; | 99% |
With ammonium formate In ethyl acetate at 25℃; for 24h; Inert atmosphere; | 99% |
With hydrogen; Pd/magnetite In ethyl acetate at 23℃; under 760.051 Torr; for 0.5h; | 94% |
Conditions | Yield |
---|---|
at 90℃; for 3h; | 99% |
cyclohexylamine
trans-Stilbene oxide
2-(cyclohexylamino)-1,2-diphenylethanol
Conditions | Yield |
---|---|
bismuth(lll) trifluoromethanesulfonate at 160℃; for 0.25h; microwave irradiation; | 99% |
trans-Stilbene oxide
trans-2,3-diphenylthiirane
Conditions | Yield |
---|---|
With Dowex-50WX8-supported thiourea for 0.0166667h; Microwave irradiation; neat (no solvent); | 98% |
With ammonium chloride; thiourea at 60 - 70℃; for 0.75h; neat (no solvent); | 96% |
With thiourea In methanol for 0.3h; Molecular sieve; Reflux; | 95% |
With indium(III) bromide; potassium thioacyanate In acetonitrile at 60℃; for 3h; | 93% |
With ammonium thiocyanate at 60℃; for 2h; Neat (no solvent); | 90% |
carbon dioxide
trans-Stilbene oxide
(4R,5R)-4,5-diphenyl-1,3-dioxolan-2-one
Conditions | Yield |
---|---|
With [La{N(SiHMe2)2}2{k3-2,2-bis(3,5-dimethylpyrazol-1-yl)-1,1-diphenylethylcyclopentadienyl}]; tetrabutylammomium bromide In neat (no solvent) at 90℃; under 7500.75 Torr; for 18h; | 98% |
With C30H41Al2N5S; tetrabutylammomium bromide In neat (no solvent) at 90℃; under 7500.75 Torr; for 16h; stereoselective reaction; | 93% |
With C30H34BrCrN2O4; tetrabutylammomium bromide In neat (no solvent) at 80℃; under 7500.75 Torr; for 24h; Temperature; | 89% |
trans-Stilbene oxide
trimethyl orthoformate
2,2-diphenylacetaldehyde dimethyl acetal
Conditions | Yield |
---|---|
With mesoporous aluminosilicate catalyst, Si/Al ratio = 14:1 In chloroform at 20 - 55℃; | 98% |
Conditions | Yield |
---|---|
With (S,S)-(+)-N,N'-bis(3,5-di-tert-butylsalicylidene)-1,2-cyclohexanediamino chromium(III) chloride at 20℃; for 4h; Ionic liquid; Inert atmosphere; optical yield given as %ee; enantioselective reaction; | A n/a B 98% |
allyltributylstanane
trans-Stilbene oxide
Conditions | Yield |
---|---|
ytterbium(III) triflate In tetrahydrofuran at 60℃; for 22h; | 96% |
2,6-dimethylphenyl isonitrile
trans-Stilbene oxide
Conditions | Yield |
---|---|
With gallium(III) trichloride In diethyl ether; dichloromethane at 40℃; for 2h; | 96% |
orthoformic acid triethyl ester
trans-Stilbene oxide
2,2-diphenylacetaldehyde diethyl acetal
Conditions | Yield |
---|---|
With mesoporous aluminosilicate catalyst, Si/Al ratio = 14:1 In chloroform at 20 - 55℃; | 96% |
Conditions | Yield |
---|---|
With Amberlyst 15; sodium iodide In acetone at 20℃; for 3h; deoxygenation; | 95% |
With lithium; di-o-anisylphosphinyl chloride; methyl iodide 1.) THF, 4.5 h, 2.) THF, RT; 1 h; Yield given. Multistep reaction; | |
Multi-step reaction with 3 steps 1: NaH / acetonitrile / 24 h / 20 °C 2: Oxone / methanol; H2O / 24 h / 20 °C 3: KOH; tetrabutylammonium bromide / tetrahydrofuran / 16 h / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: 1.) n-BuLi / 1.) THF, room t., 2.) THF, room t. 2: t-BuOK / CD3CN / -10 °C View Scheme | |
Multi-step reaction with 3 steps 1: 75 percent / KOH / propan-1-ol / 8 h / Heating 2: 75 percent / m-chloroperoxybenzoic acid / CH2Cl2 3: 51 percent / N-chlorosuccinimide / benzene / 1 h / Heating View Scheme |
lithium diphenylphosphide
trans-Stilbene oxide
(1RS,2SR)-1,2-diphenyl-2-diphenylphosphinoylmethan-1-ol
Conditions | Yield |
---|---|
In tetrahydrofuran | 93% |
trans-Stilbene oxide
(±)-trans-2-bromo-1,2-diphenylethan-1-ol
Conditions | Yield |
---|---|
With magnesium bromide In diethyl ether at 0℃; for 4h; | 92% |
With diethyl ether; hydrogen bromide |
Conditions | Yield |
---|---|
With triethylamine In methanol for 18h; 0 deg C to r.t.; | 92% |
2-buten-4-olide
trans-Stilbene oxide
2,4-Diphenyl-3,7-dioxabicyclo<3.3.0>octan-8-one
Conditions | Yield |
---|---|
With naphthalene-1,4-dicarbonitrile In acetonitrile Irradiation; | 92% |
With naphthalene-1,4-dicarbonitrile In acetonitrile Irradiation; | 90% |
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