Hazard Codes | Xn,N |
Risk Statements | 22-51/53 |
Safety Statements | 61 |
WGK Germany | 3 |
1-hydroxy-pyrrolidine-2,5-dione
(S)-2-((tert-butoxycarbonyl)amino)-3-(3-iodo-4-methoxyphenyl)propanoic acid
A
C19H23IN2O7
B
1,3-Dicyclohexylurea
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In 1,2-dimethoxyethane | A 100% B n/a |
cis-Octadecenoic acid
N3,N6-di(tert-butoxycarbonyl)-3,6-diazaoctane-1,8-diol
dicyclohexyl-carbodiimide
A
N,N'-di-tert-butylcarbonyl-N,N'-bis(2-hydroxyethyl)ethylenediamine dioleate
B
1,3-Dicyclohexylurea
Conditions | Yield |
---|---|
dmap In n-heptane at 20 - 40℃; Product distribution / selectivity; | A n/a B 99.6% |
Conditions | Yield |
---|---|
Stage #1: carbon monoxide; cyclohexylamine With selenium at 20℃; under 750.075 Torr; for 2h; neat (no solvent); Stage #2: With oxygen at 20℃; under 750.075 Torr; for 1h; neat (no solvent); | 99% |
With palladium; oxygen; potassium iodide In 1,4-dioxane at 130℃; under 30003 Torr; for 24h; Autoclave; Green chemistry; | 99% |
With oxygen In tetrahydrofuran at 90℃; under 6000.6 Torr; for 72h; Catalytic behavior; Reagent/catalyst; Autoclave; Schlenk technique; Inert atmosphere; | 96% |
Conditions | Yield |
---|---|
With [Pr(SPh)3(THF)3] In tetrahydrofuran at 60℃; for 12h; Inert atmosphere; | 99% |
With Trimethylsilanol In acetonitrile at 20℃; Green chemistry; | 92% |
With Ta(η5-C5Me5)(η3-1-phenylallyl)2 In toluene for 12h; Ambient temperature; | 89% |
Conditions | Yield |
---|---|
Stage #1: cyclohexylamine With titanium tetrachloride In dichloromethane at 0℃; for 0.5h; Inert atmosphere; Stage #2: With pyridine In dichloromethane for 0.5h; Inert atmosphere; Stage #3: carbon dioxide Further stages; | 99% |
With cesium hydroxide; 1-butyl-3-methylimidazolium chloride at 170℃; under 45600 Torr; for 4h; | 98% |
Stage #1: cyclohexylamine With tetrachloromethane; triphenylphosphine In dichloromethane for 24h; Heating; Stage #2: With triethylamine at 20℃; for 2h; Stage #3: carbon dioxide; cyclohexylamine at 20℃; for 24h; Further stages.; | 96% |
Conditions | Yield |
---|---|
With oxygen; sodium hydrogencarbonate; triethylamine In water for 1h; Irradiation; | 99% |
With oxygen; sodium hydroxide In water at 20℃; for 3h; Reagent/catalyst; Irradiation; | 62% |
tetradecylthioacetic Acid
methyl 2,3-diaminopropanoate dihydrochloride
dicyclohexyl-carbodiimide
B
1,3-Dicyclohexylurea
Conditions | Yield |
---|---|
With benzotriazol-1-ol; triethylamine In dichloromethane at 0 - 20℃; for 49h; | A 96% B n/a |
Conditions | Yield |
---|---|
With potassium tert-butylate; copper diacetate In m-xylene for 8h; Reagent/catalyst; Solvent; Schlenk technique; Heating; chemoselective reaction; | A 96% B n/a C n/a |
L-tyrosine methyl ester HCl
dicyclohexyl-carbodiimide
para-chlorobenzoic acid
A
C17H16ClNO4
B
1,3-Dicyclohexylurea
Conditions | Yield |
---|---|
dmap In dichloromethane at 20℃; Inert atmosphere; | A 95.3% B n/a |
Conditions | Yield |
---|---|
With dicyclohexyl-carbodiimide In 1,4-dioxane; pyridine for 12h; Ambient temperature; | A n/a B 95% |
Boc-Arg(NO2)-OH
methyl L-isoleucinate hydrochloride
A
1,3-Dicyclohexylurea
B
(tert-butoxycarbonyl)-NG-nitroarginylisoleucyl methyl ester
Conditions | Yield |
---|---|
With benzotriazol-1-ol; triethylamine; dicyclohexyl-carbodiimide In N,N-dimethyl-formamide 1.) ice bath, 1 h, 2.) 23 deg C, 15 h; | A n/a B 95% |
Conditions | Yield |
---|---|
In dichloromethane for 4h; Ambient temperature; | 95% |
Conditions | Yield |
---|---|
With acetic acid; N-hydroxybenzenecarboximidamide In chloroform for 4h; Heating; | 95% |
With tert-butyloxycarbonyl-methionyl-leucyl-phenylalanine; benzotriazol-1-ol; triethylamine In N,N-dimethyl-formamide at 0℃; for 3h; | |
With 1,3:2,4-di-O-methylene-L-arabinitol In pyridine; dimethyl sulfoxide at 20 - 25℃; for 2h; |
cyclohexylamine
5-nitro-1-indazolecarboxylic acid cyclohexylamide
1,3-Dicyclohexylurea
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 155℃; for 6h; | 95% |
1-hydroxy-pyrrolidine-2,5-dione
4-hydroxyphenylacetate
dicyclohexyl-carbodiimide
A
4-hydroxyphenylacetic acid N-hydroxysuccinimide ester
B
1,3-Dicyclohexylurea
Conditions | Yield |
---|---|
In ethyl acetate at 0 - 4℃; for 22h; | A 94.6% B n/a |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 155℃; for 8h; | 94% |
cyclohexane-1,3-dicarboxylic acid
dicyclohexyl-carbodiimide
A
1,3-Dicyclohexylurea
B
3-oxabicyclo[3.3.1]nonane-2,4-dione
Conditions | Yield |
---|---|
In dichloromethane at 20℃; for 4h; | A n/a B 94% |
Conditions | Yield |
---|---|
With dichloromethylenedimethyliminium chloride; triethylamine In dichloromethane at 0℃; | 100% |
With bis(trichloromethyl) carbonate In 1-methyl-pyrrolidin-2-one at 30 - 40℃; for 6h; Autoclave; | 99.5% |
With pyridine; chloroacetyl chloride In dichloromethane at 0 - 60℃; for 10h; Solvent; Temperature; Reagent/catalyst; | 97.3% |
Conditions | Yield |
---|---|
With sodium hydroxide at 450℃; for 8h; Temperature; Autoclave; Large scale; | 99.49% |
Conditions | Yield |
---|---|
96% | |
93% | |
8% |
2.6-dimethylphenol
1,3-Dicyclohexylurea
N-cyclohexyl carbamic acid(2,6-dimethylphenyl)ester
Conditions | Yield |
---|---|
Reflux; Large scale; | 95% |
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