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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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inquiryR & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
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inquiryProduct Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard
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inquiryAnsciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
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CFTC?PharmaChem?is?a?service?based?company?in?China,?a?pharmachem?division?of?Changzhou?Foreign?Trade?Corp.,supplying?raw?materials,?intermediates,?APIs?and?fine?chemicals?for?the?pharmaceutical?and?specialty?chemical?industries?worldwide. Applicatio
Manufacturer,strong R&D,professional team Storage:Store in a cool, dry place. Store in a tightly closed container. Package:according to your requirement Application:ZhiShang Chemical is owned by ZhiShang Group, is a professional new-type chemicals en
carbon monoxide
sulfur dioxide
A
carbon oxide sulfide
B
sulfur
Conditions | Yield |
---|---|
With catalyst: La2O3-TiO2 highest activity with 1:1 La:Ti ratio; 500°C, 1 atm, in the presence of N2; | A <1 B 95% |
With catalyst: Fe-Al2O3 byproducts: CO2; highest SO2 reduction with 40 % Fe in the catalyst, maximum COS yield at 400°C; | |
With catalyst: Cu-Al2O3 H2O vapour diminishes catalyst activity; |
N-Acetylcysteine
A
1,3-dimethyl-2-imidazolidinone
B
carbon oxide sulfide
C
N,N'-bis(acetyl)cystine
J
C16H28N2O6S3
K
C16H28N2O6S4
L
1-Acetamido-1-(carbomethoxy)-2-methyl-2-propyl Hydrodisulfide
Conditions | Yield |
---|---|
With diethylenetriaminopentaacetic acid In aq. buffer at 37℃; pH=7.4; | A 87% B n/a C n/a D n/a E n/a F n/a G n/a H n/a I n/a J n/a K n/a L n/a |
di-O-isopropyl-S,S-phthaloyl dixanthate (unsymmetrical)
A
benzo[c]thiophene-1,3-dione
B
carbon oxide sulfide
C
O,S-diisopropyl xanthate
D
Biphthalidyliden
Conditions | Yield |
---|---|
at 250℃; for 0.5h; other dixanthate; | A 29% B 82% C 16% D 24% |
sulfur dioxide
A
carbon disulfide
B
disulfur
C
carbon oxide sulfide
Conditions | Yield |
---|---|
byproducts: CO, CO2; at 1400 K, with excess of carbon; | A 81.16% B 10.82% C 8.02% |
byproducts: CO, CO2; at 1000 K, with excess of carbon; | A 37.08% B 3.22% C 59.7% |
Conditions | Yield |
---|---|
In neat (no solvent) at 120℃; for 6h; Rate constant; Product distribution; | A n/a B 81% |
phenyl isothiocyanate
1-cyclohexyl-4,5-diphenylimidazole 3-oxide
A
carbon oxide sulfide
Conditions | Yield |
---|---|
In dichloromethane at 20℃; for 20h; Cycloaddition; elimination; | A n/a B 81% |
methyl thioisocyanate
1-methyl-4,5-diphenyl-1H-imidazole 3-oxide
A
carbon oxide sulfide
Conditions | Yield |
---|---|
In dichloromethane at 20℃; for 20h; Cycloaddition; elimination; | A n/a B 76% |
1,4-diphenyl-1-ethylxanthyl-2,3-diazabutadiene
A
carbon oxide sulfide
B
diphenyl-[1,3,4]thiadiazole
Conditions | Yield |
---|---|
at 240℃; for 20h; sealed tube; | A n/a B 69% |
phenyl isothiocyanate
1-benzyl-4,5-dimethyl-1H-imidazole 3-oxide
A
carbon oxide sulfide
Conditions | Yield |
---|---|
In dichloromethane at 20℃; for 20h; Cycloaddition; elimination; | A n/a B 58% |
N-Acetylcysteine
A
carbon oxide sulfide
B
methyl 2-acetamido-3-mercapto-3-methylbutanoate
H
C16H28N2O6S3
I
C16H28N2O6S4
Conditions | Yield |
---|---|
With diethylenetriaminopentaacetic acid; ammonium bicarbonate In aq. buffer at 37℃; pH=7.4; Mechanism; Reagent/catalyst; Solvent; | A n/a B n/a C n/a D n/a E n/a F 53% G n/a H n/a I n/a |
4-allylthio-3,3,4-triphenyl-2-thietanone
A
carbon oxide sulfide
B
methyl dithiobenzoate
C
1-allylthio-1,1,2-triphenylethylene
D
diphenyl ketene
Conditions | Yield |
---|---|
at 170℃; for 1.5h; | A n/a B n/a C 50% D n/a |
4-allylthio-3,3,4-triphenyl-2-thietanone
A
carbon oxide sulfide
B
allyl dithiobenzoate
C
1-allylthio-1,1,2-triphenylethylene
D
diphenyl ketene
Conditions | Yield |
---|---|
at 170℃; for 1.5h; | A n/a B n/a C 50% D n/a |
Conditions | Yield |
---|---|
In liquid sulphur dioxide | 20% |
N-Acetylcysteine
A
1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
B
carbon oxide sulfide
C
N,N'-bis(acetyl)cystine
E
C16H28N2O6S3
Conditions | Yield |
---|---|
With diethylenetriaminopentaacetic acid In aq. buffer at 37℃; for 1h; pH=7.4; | A 19.2% B n/a C n/a D n/a E n/a |
N-Acetylcysteine
A
carbon oxide sulfide
B
methyl 2-acetamido-3-mercapto-3-methylbutanoate
C
N,N'-bis(acetyl)cystine
F
C16H28N2O6S3
G
1-methyltetrahydropyrimidin-2(1H)-one
Conditions | Yield |
---|---|
With diethylenetriaminopentaacetic acid In aq. buffer at 37℃; pH=7.4; | A n/a B n/a C n/a D n/a E n/a F n/a G 5.9% |
Conditions | Yield |
---|---|
With carbon monoxide; platinum | A 1% B n/a |
pyridine
(Propoxy)thiocarbonylchlorid
A
carbon oxide sulfide
B
1-Chloropropane
Conditions | Yield |
---|---|
at 210℃; |
quinoline
(Propoxy)thiocarbonylchlorid
A
carbon oxide sulfide
B
1-Chloropropane
Conditions | Yield |
---|---|
at 29℃; |
succinic acid anhydride
N,N-diphenylthiourea
A
N-phenylmaleimide
B
carbon oxide sulfide
C
aniline
Conditions | Yield |
---|---|
at 150 - 155℃; |
Conditions | Yield |
---|---|
at 200℃; |
carbon disulfide
methylammonium carbonate
carbon oxide sulfide
Conditions | Yield |
---|---|
With magnesium oxide |
Conditions | Yield |
---|---|
With kaolin bei Weissglut; | |
With chlorosulfonic acid at 100℃; | |
With sulfur trioxide at 100℃; |
Conditions | Yield |
---|---|
With cadmium(II) sulphide at 260 - 280℃; | |
With magnesium bromide hydrosulfide; benzene unter Kuehlung,dann auf dem Wasserbad; | |
With hydrogen sulfide at 200℃; unter Druck; |
phthalic anhydride
N,N-diphenylthiourea
A
N-phenylphthalimide
B
carbon oxide sulfide
C
aniline
Conditions | Yield |
---|---|
at 170 - 175℃; |
Conditions | Yield |
---|---|
With hydrogen sulfide oberhalb der Schmelztemperatur; |
carbon oxide sulfide
dihydrogen peroxide
A
carbon dioxide
B
sulfuric acid
C
water
Conditions | Yield |
---|---|
With potassium sulfate; potassium hydrogensulfate; potassium peroxomonosulfate In water Kinetics; oxidation of OCS studied in round-bottom Pyrex bulbs, acid-water mixtures introduced into bulbs and degassed, bulb reactors filled with with a gas mixture slightly above 1 atm total pressure with a typical mixing ratio of OCS:Ar:He=40:60:700 Torr; gas chromy. and mass spectroscopy applied for determination of product content; | A 100% B n/a C n/a |
With sulfuric acid In water Kinetics; oxidation of OCS studied in round-bottom Pyrex bulbs, acid-water mixtures introduced into bulbs and degassed, bulb reactors filled with with a gas mixture slightly above 1 atm total pressure with a typical mixing ratio of OCS:Ar:He=40:60:700 Torr; gas chromy. and mass spectroscopy applied for determination of product content; | A 100% B n/a C n/a |
Conditions | Yield |
---|---|
In tetrahydrofuran byproducts: HC(O)SCH3; inert gas; 2.5 h at room temperature; 40 psi COS;; depressurization; solvent removal in vacuo; chromy.; | 100% |
Conditions | Yield |
---|---|
In toluene at -70.16 - 19.84℃; for 0.5h; | 100% |
{ruthenium(0) dicarbonyltris(triphenylphosphine)}
carbon oxide sulfide
Ru(CO)2(η2-COS)(PPh3)2
Conditions | Yield |
---|---|
In toluene byproducts: PPh3; a suspn. of complex was stirred under atm. of COS for 5 min; dilution with hexane, filtration, washing a solid with hexane, drying in vac.; elem. anal.; | 99.6% |
{ruthenium(0) dicarbonyltris(triphenylphosphine)}
carbon oxide sulfide
Ru(CO)2(η2-CS2)(PPh3)2
Conditions | Yield |
---|---|
With carbon disulfide In toluene byproducts: PPh3; a soln. of CS2 was added to a complex and a suspn. was stirred for 10 min, N2 atm.; dilution with hexane, filtration, washing a solid with hexane, drying in vac.; | 99% |
carbon oxide sulfide
[Pd(C5H7N2)2(C5H8N2)2]
Conditions | Yield |
---|---|
In further solvent(s) reaction with stirring in liquid COS at -78°C; | 99% |
Conditions | Yield |
---|---|
With C15H18N2OS In acetonitrile at 60℃; for 12h; Autoclave; | 99% |
With C15H18N2OS In acetonitrile at 60℃; for 12h; Schlenk technique; Glovebox; Autoclave; regioselective reaction; | 99 %Spectr. |
carbon oxide sulfide
Phenyl glycidyl ether
5-(phenoxymethyl)-1,3-oxathiolan-2-one
Conditions | Yield |
---|---|
With 1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidine at 60℃; under 11251.1 Torr; for 12h; Autoclave; Inert atmosphere; Schlenk technique; | 98% |
carbon oxide sulfide
2-methyl-but-3-yn-2-ol
5,5-Dimethyl-4-methylene-[1,3]oxathiolan-2-one
Conditions | Yield |
---|---|
With C15H18N2OS In neat (no solvent) at 60℃; under 7500.75 Torr; for 1h; Autoclave; | 98% |
With C14H16N2OS at 60℃; for 1h; Autoclave; | 92% |
Conditions | Yield |
---|---|
With C15H18N2OS In neat (no solvent) at 60℃; under 7500.75 Torr; for 1h; Autoclave; | 98% |
With C9H14N2OS at 50℃; for 2h; Autoclave; | 93% |
Conditions | Yield |
---|---|
With C15H18N2OS In dimethyl sulfoxide at 25℃; under 760.051 Torr; chemoselective reaction; | 98% |
With C13H22N2OS In dimethyl sulfoxide at 25℃; for 24h; Schlenk technique; | 90% |
Conditions | Yield |
---|---|
With C15H18N2OS In acetonitrile at 60℃; for 12h; Autoclave; | 98% |
With C15H18N2OS In acetonitrile at 60℃; for 12h; Schlenk technique; Glovebox; Autoclave; regioselective reaction; | 98 %Spectr. |
carbon oxide sulfide
4-phenyl-N-(4-toluenesulfonylmethyl)penta-2,3-dienamide
Conditions | Yield |
---|---|
With C15H18N2OS In acetonitrile at 60℃; for 12h; Autoclave; | 98% |
With C15H18N2OS In acetonitrile at 60℃; for 12h; Schlenk technique; Glovebox; Autoclave; regioselective reaction; | 98 %Spectr. |
carbon oxide sulfide
4-phenyl-N-(4-toluenesulfonylmethyl)buta-2,3-dienamide
Conditions | Yield |
---|---|
With C15H18N2OS In acetonitrile at 60℃; for 12h; Autoclave; | 98% |
With C15H18N2OS In acetonitrile at 60℃; for 12h; Schlenk technique; Glovebox; Autoclave; regioselective reaction; | 98 %Spectr. |
Conditions | Yield |
---|---|
With C15H18N2OS In dimethyl sulfoxide at 100℃; for 12h; Autoclave; | 98% |
With C15H18N2OS In acetonitrile at 100℃; for 12h; Schlenk technique; Glovebox; Autoclave; regioselective reaction; | 98 %Spectr. |
Conditions | Yield |
---|---|
With C15H18N2OS In neat (no solvent) at 60℃; under 7500.75 Torr; for 1h; Autoclave; diastereoselective reaction; | 98% |
carbon oxide sulfide
3-Phenyl-2-propyn-1-ol
4-[1-Phenyl-meth-(Z)-ylidene]-[1,3]oxathiolan-2-one
Conditions | Yield |
---|---|
With C15H18N2OS In neat (no solvent) at 60℃; under 7500.75 Torr; for 1h; Autoclave; diastereoselective reaction; | 98% |
Conditions | Yield |
---|---|
With C15H18N2OS In neat (no solvent) at 60℃; under 7500.75 Torr; for 1h; Reagent/catalyst; Temperature; Autoclave; diastereoselective reaction; | 98% |
Conditions | Yield |
---|---|
With C15H18N2OS In dimethyl sulfoxide at 25℃; under 760.051 Torr; chemoselective reaction; | 98% |
Conditions | Yield |
---|---|
With C15H18N2OS In dimethyl sulfoxide at 25℃; under 760.051 Torr; chemoselective reaction; | 98% |
Conditions | Yield |
---|---|
With C15H18N2OS In dimethyl sulfoxide at 25℃; under 760.051 Torr; chemoselective reaction; | 98% |
Conditions | Yield |
---|---|
With C15H18N2OS In dimethyl sulfoxide at 60℃; under 760.051 Torr; for 12h; | 98% |
Conditions | Yield |
---|---|
Stage #1: (R)-propylene oxide With triethylamine; Quinine In ethanol at 16℃; for 0.25h; Stage #2: carbon oxide sulfide In ethanol at 20℃; for 20h; Reagent/catalyst; Temperature; | 97.5% |
Conditions | Yield |
---|---|
With bentonite-supported ionic liquid catalyst at 60℃; under 22502.3 Torr; for 6h; Temperature; Pressure; Autoclave; | 97.4% |
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran 1) 25-30 deg C, 24 h, 2) reflux, 2 h; | 97% |
With sodium hydroxide In N,N-dimethyl-formamide at 25℃; under 3750.38 Torr; for 1.5h; | 87% |
carbon oxide sulfide
1,3-dicyclohexylimidazolium-2-thiocarboxylate
Conditions | Yield |
---|---|
Stage #1: 1,3-bis(cyclohexyl)imidazolium tetrafluoroborate With potassium hexamethylsilazane In tetrahydrofuran; toluene at 20℃; for 0.5h; Inert atmosphere; Stage #2: carbon oxide sulfide In tetrahydrofuran; toluene at 20℃; for 2h; Inert atmosphere; | 97% |
Conditions | Yield |
---|---|
With sodiumsulfide nonahydrate In N,N-dimethyl-formamide at 25℃; under 3750.38 Torr; for 1.5h; Reagent/catalyst; Solvent; Temperature; Autoclave; | 97% |
With sodium hydroxide In N,N-dimethyl-formamide at 25℃; under 3750.38 Torr; for 1.5h; Reagent/catalyst; Solvent; Pressure; | 94% |
Conditions | Yield |
---|---|
With C15H18N2OS In acetonitrile at 60℃; for 12h; Autoclave; | 97% |
With C15H18N2OS In acetonitrile at 60℃; for 12h; Schlenk technique; Glovebox; Autoclave; regioselective reaction; | 97 %Spectr. |
carbon oxide sulfide
1,3-bis(1,3-diisopropyl-4,5-dimethyl-1H-imidazol-2(3H)-ylidene)-2-isopropylguanidiniumtetrafluoroborate
Conditions | Yield |
---|---|
Stage #1: 1,3-bis(1,3-diisopropyl-4,5-dimethyl-1H-imidazol-2(3H)-ylidene)-2-isopropylguanidiniumtetrafluoroborate With potassium hexamethylsilazane In tetrahydrofuran at 25℃; for 2h; Glovebox; Inert atmosphere; Stage #2: carbon oxide sulfide In hexane at 25℃; under 760.051 Torr; for 2h; | 97% |
2-amino-4-methylthiophene-3-carbonitrile
carbon oxide sulfide
5-Methylthieno<2,3-d>-4-thioxopyrimidin-2-one
Conditions | Yield |
---|---|
With sodium ethanolate for 23h; Heating; | 96% |
In pyridine 1.) -70 deg C, 2.) 95 deg C, 62 h; | 92% |
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