Conditions | Yield |
---|---|
With triethylamine In dichloromethane | 100% |
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran at -80℃; | |
With triethylamine In dichloromethane for 5h; Heating; |
2-(2-phenylethoxy)tetrahydro-2H-pyran
tetrabutylammonium isocyanate
phenethyl isocyanate
Conditions | Yield |
---|---|
With triphenylphosphine; 2,3-dicyano-5,6-dichloro-p-benzoquinone In acetonitrile for 8.5h; Reflux; | 96% |
N-hydroxy-3-phenylpropanamide
phenethyl isocyanate
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine; 4-Nitrobenzenesulfonyl chloride In tetrahydrofuran at 0℃; for 2h; Lossen Rearrangement; Inert atmosphere; | 89% |
Stage #1: N-hydroxy-3-phenylpropanamide With Carbonyldiimidazole In acetonitrile at 20℃; for 0.5h; Lossen rearrangement; Inert atmosphere; Stage #2: In acetonitrile at 60℃; Lossen rearrangement; Inert atmosphere; |
Oxalic acid N-(2-phenylethyl)monoamide
phenethyl isocyanate
Conditions | Yield |
---|---|
With ammonium peroxydisulfate; silver nitrate; copper(II) sulfate In hexane; water at 40℃; for 3h; | 84% |
With ammonium peroxydisulfate; copper diacetate; silver nitrate In hexane; water at 40℃; for 3h; | 84% |
Conditions | Yield |
---|---|
In toluene at 0℃; | 65.7% |
Oxalic acid N-(2-phenylethyl)monoamide
A
phenethyl isocyanate
B
N1, N2-diphenethyloxalamide
Conditions | Yield |
---|---|
With ammonium peroxydisulfate; silver nitrate In dichloromethane; water at 40℃; for 3h; | A 58% B 18% |
bis(trichloromethyl) carbonate
2-phenylethylamine hydrochloride
phenethyl isocyanate
Conditions | Yield |
---|---|
19.8% |
Conditions | Yield |
---|---|
With chlorobenzene at 140℃; |
Conditions | Yield |
---|---|
With nickel | |
With Methyltrichlorosilane; triethylamine In benzene at 70℃; for 24h; other reagents: triethylamine/trichlorosilane, triethylamine/dichlorodimethylsilane, triethylamine/chlorotrimethylsilane; Yield given; |
Conditions | Yield |
---|---|
With sodium azide; toluene | |
With sodium azide; water; acetone und anschliessendes Erwaermen in Benzol; |
Conditions | Yield |
---|---|
In diethyl ether Ambient temperature; |
Conditions | Yield |
---|---|
In toluene Heating; | |
In 1,4-dioxane Heating; | |
With pyrographite In ethyl acetate Heating; | |
In ethyl acetate for 5h; Heating; |
Conditions | Yield |
---|---|
In ethyl acetate at 60 - 100℃; |
3-Phenethyl-1,5-diphenyl-6,7,8-trioxa-3-aza-bicyclo[3.2.1]octane-2,4-dione
A
phenethyl isocyanate
B
1-Phenethyl-aziridine-2,3-dione
Conditions | Yield |
---|---|
at -196.1℃; Irradiation; |
3-phenylpropanoyl azide
phenethyl isocyanate
Conditions | Yield |
---|---|
With triethylamine In acetonitrile for 0.166667h; Heating; | |
In chloroform at 30℃; for 36h; | |
In chloroform at 26℃; Rate constant; t1/2; |
N-(t-butoxycarbonyl)phenethylamine
phenethyl isocyanate
Conditions | Yield |
---|---|
With trichlorosilane; triethylamine In benzene at 70℃; for 24h; other reagents: triethylamine/methyltrichlorosilane, triethylamine/dichlorodimethylsilane, triethylamine/chlorotrimethylsilane; Yield given; | |
Stage #1: N-(t-butoxycarbonyl)phenethylamine With 2-chloropyridine; trifluoromethylsulfonic anhydride In dichloromethane at -78℃; for 0.5h; Friedel-Crafts Acylation; Inert atmosphere; Stage #2: In dichloromethane at 20℃; for 20h; Friedel-Crafts Acylation; Inert atmosphere; regioselective reaction; |
4‐nitrophenyl N‐(2‐phenylethyl)carbamate
phenethyl isocyanate
Conditions | Yield |
---|---|
With Methyltrichlorosilane; triethylamine In benzene at 70℃; for 4h; other reagents: triethylamine/trichlorosilane, triethylamine/dichlorodimethylsilane, triethylamine/chlorotrimethylsilane; Yield given; |
isobutyl N-phenethylcarbamate
phenethyl isocyanate
Conditions | Yield |
---|---|
With Methyltrichlorosilane; triethylamine In benzene at 70℃; for 24h; other reagents: triethylamine/trichlorosilane, triethylamine/dichlorodimethylsilane, triethylamine/chlorotrimethylsilane; Yield given; |
2,2,2-trichloroethyl N-phenethylcarbamate
phenethyl isocyanate
Conditions | Yield |
---|---|
With trichlorosilane; triethylamine In benzene at 70℃; for 4h; other reagents: triethylamine/methyltrichlorosilane, triethylamine/dichlorodimethylsilane, triethylamine/chlorotrimethylsilane; Yield given; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 90.5 percent / H2SO4 / 2 h / Heating 2: 65.7 percent / toluene / 0 °C View Scheme | |
Multi-step reaction with 3 steps 1: pyridine / CH2Cl2 / 1 h / 0 °C 2: KOH / methanol / 15 °C 3: 84 percent / (NH4)2S2O8 / AgNO3, Cu(OAc)2 / hexane; H2O / 3 h / 40 °C View Scheme | |
Multi-step reaction with 3 steps 1: pyridine / CH2Cl2 / 1 h / 0 °C 2: KOH / methanol / 15 °C 3: 58 percent / (NH4)2S2O8 / AgNO3 / CH2Cl2; H2O / 3 h / 40 °C View Scheme | |
Multi-step reaction with 2 steps 2: Raney nickel View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: CH2Cl2 2: triethylamine, trichlorosilane / benzene / 24 h / 70 °C / other reagents: triethylamine/methyltrichlorosilane, triethylamine/dichlorodimethylsilane, triethylamine/chlorotrimethylsilane View Scheme | |
Multi-step reaction with 2 steps 1: 90 percent / pyridine / CH2Cl2 / 3 h / Ambient temperature 2: triethylamine, methyltrichlorosilane / benzene / 4 h / 70 °C / other reagents: triethylamine/trichlorosilane, triethylamine/dichlorodimethylsilane, triethylamine/chlorotrimethylsilane View Scheme | |
Multi-step reaction with 2 steps 1: pyridine / CH2Cl2 / 3 h / Ambient temperature 2: triethylamine, trichlorosilane / benzene / 4 h / 70 °C / other reagents: triethylamine/methyltrichlorosilane, triethylamine/dichlorodimethylsilane, triethylamine/chlorotrimethylsilane View Scheme | |
Multi-step reaction with 2 steps 1: pyridine / CH2Cl2 / 3 h / Ambient temperature 2: triethylamine, methyltrichlorosilane / benzene / 24 h / 70 °C / other reagents: triethylamine/trichlorosilane, triethylamine/dichlorodimethylsilane, triethylamine/chlorotrimethylsilane View Scheme | |
Multi-step reaction with 2 steps 1: pyridine / CH2Cl2 / 3 h / Ambient temperature 2: triethylamine, methyltrichlorosilane / benzene / 24 h / 70 °C / other reagents: triethylamine/trichlorosilane, triethylamine/dichlorodimethylsilane, triethylamine/chlorotrimethylsilane View Scheme |
N-Phenethyl-oxalamic acid methyl ester
phenethyl isocyanate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: KOH / methanol / 15 °C 2: 84 percent / (NH4)2S2O8 / AgNO3, Cu(OAc)2 / hexane; H2O / 3 h / 40 °C View Scheme | |
Multi-step reaction with 2 steps 1: KOH / methanol / 15 °C 2: 58 percent / (NH4)2S2O8 / AgNO3 / CH2Cl2; H2O / 3 h / 40 °C View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: B2H6 / tetrahydrofuran 2: dioxane / Heating View Scheme |
hydrazinecarbothioic acid O-phenethyl ester
phenethyl isocyanate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: NaNO2, aq. HCl 2: diethyl ether / Ambient temperature View Scheme |
C13H19NO4
phenethyl isocyanate
7-((R)-2-Oxo-5-phenethylcarbamoyloxymethyl-pyrrolidin-1-yl)-hept-5-ynoic acid methyl ester
Conditions | Yield |
---|---|
With 1,4-diaza-bicyclo[2.2.2]octane In tetrahydrofuran for 22.5h; Heating / reflux; | 100% |
(6S,8R)-alIyl-{8-amino-6-[4-(benzyloxycarbonylamino-imino-methyl)-benzylcarbamoyl]-8-methyl-4-oxo-4,6,7,8-tetrahydro-pyrrolo[1,2-a]pyrimidin-3-yl}-carbamic acid benzyl ester
phenethyl isocyanate
Conditions | Yield |
---|---|
In dichloromethane for 23h; | 100% |
6-amino-2,2-dimethyl-1-hexanol
phenethyl isocyanate
Conditions | Yield |
---|---|
With potassium hydrogensulfate In dichloromethane Column chroatography; | 100% |
phenethyl isocyanate
5-amino-2,2-dimethylpentan-1-ol
Conditions | Yield |
---|---|
In dichloromethane at 0℃; Column chromatography; | 100% |
6-amino-2-methyl-2-phenyl-hexan-1-ol
phenethyl isocyanate
Conditions | Yield |
---|---|
With potassium hydrogensulfate In dichloromethane Column chromatography; | 100% |
phenethyl isocyanate
Conditions | Yield |
---|---|
Stage #1: 7-amino-2-methyl-2-phenyl-1-heptanol; phenethyl isocyanate In dichloromethane for 1.01667h; Stage #2: With potassium hydrogensulfate In dichloromethane Column chromatography; | 100% |
phenethyl isocyanate
(R)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid methyl ester
(R)-methyl 2-(phenethylcarbamoyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate
Conditions | Yield |
---|---|
In dichloromethane at 20℃; | 100% |
phenethyl isocyanate
methyl (3S)-1,2,3,4-tetrahydro-β-carboline-3-carboxylate
(S)-methyl 2-(phenethylcarbamoyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate
Conditions | Yield |
---|---|
In dichloromethane at 20℃; | 100% |
phenethyl isocyanate
10a-(4-chlorophenyl)-7-methyl-2,3,10,10a-tetrahydro-1H,5H-imidazo[1,2-a]pyrazolo[1,5-d]pyrazin-5-one
10a-(4-chlorophenyl)-7-methyl-5-oxo-N-(2-phenylethyl)-2,3,10,10a-tetrahydro-1H,5H-imidazo[1,2-a]pyrazolo[1,5-d]pyrazine-1-carboxamide
Conditions | Yield |
---|---|
With pyridine In dichloromethane at 0 - 20℃; for 1h; | 99% |
phenethyl isocyanate
tert-butyl 2-(4-(5-(1-hydroxypropyl)isoxazol-3-yl)phenoxy)-2-methylpropanoate
tert-butyl 2-methyl-2-(4-(5-(1-((phenethylcarbamoyl)oxy)propyl)isoxazol-3-yl)phenoxy)propanoate
Conditions | Yield |
---|---|
With pyridine; copper(l) chloride In dichloromethane at 20℃; for 2h; Inert atmosphere; | 99% |
phenethyl isocyanate
{(S)-1-[(S)-2-((S)-3-Isobutyl-1,1-dioxo-1λ6-[1,2,5]thiadiazolidin-2-ylmethyl)-pyrrolidine-1-carbonyl]-2-methyl-propyl}-carbamic acid benzyl ester
Conditions | Yield |
---|---|
With triethylamine In dichloromethane for 2.5h; Heating; | 98% |
phenethyl isocyanate
(R)-(-)-methyl 7-(5-hydroxymethyl-2-oxo-1-pyrrolidine)heptanoate
Conditions | Yield |
---|---|
With 1,4-diaza-bicyclo[2.2.2]octane In tetrahydrofuran for 22.5h; Heating / reflux; | 98% |
phenethyl isocyanate
2-methyl-3-buten-2-ol
N-(2-phenylethyl)-N-(1,1-dimethylallyloxy)carbonylamide
Conditions | Yield |
---|---|
With triethylamine at 20 - 100℃; for 12h; Inert atmosphere; | 98% |
Conditions | Yield |
---|---|
In tetrahydrofuran at 25℃; for 2h; Inert atmosphere; | 98% |
phenethyl isocyanate
(E)-1-phenylethanone oxime
Conditions | Yield |
---|---|
In dichloromethane at 20℃; Inert atmosphere; | 98% |
phenethyl isocyanate
propiophenone oxime
Conditions | Yield |
---|---|
In dichloromethane at 20℃; Inert atmosphere; | 98% |
phenethyl isocyanate
Conditions | Yield |
---|---|
With dmap In dichloromethane at 20℃; for 72h; | 98% |
3-ethyl-4-methyl-3-pyrrolin-2-one
phenethyl isocyanate
3-ethyl-4-methyl-2-oxo-N-(2-phenylethyl)-2,5-dihydro-1H-pyrrole-1-carboxamide
Conditions | Yield |
---|---|
In toluene at 120 - 130℃; for 2h; Industrial scale; | 97% |
In n-heptane at 70 - 100℃; for 7h; Temperature; | 90% |
In toluene for 4h; Molecular sieve; Reflux; Inert atmosphere; | 80% |
In toluene Heating; | 65% |
In toluene for 4h; Heating / reflux; |
phenethyl isocyanate
Conditions | Yield |
---|---|
In ethanol at 70℃; for 4h; | 96.95% |
phenethyl isocyanate
C9H10NO4S(1-)*K(1+)
Conditions | Yield |
---|---|
With potassium disulphite In 1,4-dioxane; water | 96% |
1. Introduction of Phenethyl isocyanate
Phenethyl isocyanate with CAS registry number 1943-82-4, belongs to the following product categories: (1)Aromatic Isocyanates; (2)Isocyanates; (3)Phenyls & Phenyl-Het; (4)Nitrogen Compounds; (5)Organic Building Blocks. Phenethyl isocyanate is also called Benzene,(2-isocyanatoethyl)-, (2-isocyanatoethyl)benzene. Phenethyl isocyanate is a kind of colorless to yellow liquid. In addition, And the main use of Phenethyl isocyanate is for intermediate of Glimepiride tablets.
2. Properties of Phenethyl isocyanate
(1)ACD/LogP: 3.02; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 3.02; (4)ACD/LogD (pH 7.4): 3.02; (5)ACD/BCF (pH 5.5): 116.67; (6)ACD/BCF (pH 7.4): 116.67; (7)ACD/KOC (pH 5.5): 1049.87; (8)ACD/KOC (pH 7.4): 1049.87; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 3; (12)Polar Surface Area: 29.43 Å2; (13)Index of Refraction: 1.513; (14)Molar Refractivity: 45.37 cm3; (15)Molar Volume: 150.7 cm3; (16)Polarizability: 17.98×10-24cm3; (17)Surface Tension: 37.2 dyne/cm; (18)Density: 0.97 g/cm3; (19)Flash Point: 67.4 °C; (20)Enthalpy of Vaporization: 46.51 kJ/mol; (21)Boiling Point: 228.5 °C at 760 mmHg; (22)Vapour Pressure: 0.073 mmHg at 25°C.
3. Structure Descriptors of Phenethyl isocyanate
(1)SMILES: O=C=N/CCc1ccccc1
(2)InChI: InChI=1/C9H9NO/c11-8-10-7-6-9-4-2-1-3-5-9/h1-5H,6-7H2
(3)InChIKey: HACRKYQRZABURO-UHFFFAOYAL
(4)Std. InChI: InChI=1S/C9H9NO/c11-8-10-7-6-9-4-2-1-3-5-9/h1-5H,6-7H2
(5)Std. InChIKey: HACRKYQRZABURO-UHFFFAOYSA-N
4. Safety Information of Phenethyl isocyanate
Hazard Symbols:T;C;N
Risk Codes:
R22:Harmful if swallowed.
R23 :Toxic by inhalation.
R35:Causes severe burns.
R42/43:May cause sensitization by inhalation and skin contact.
R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
R25 :Toxic if swallowed.
Safety Description:
S23:Do not breathe vapour.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S43:In case of fire use ... (there follows the type of fire-fighting equipment to be used.)
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S61:Avoid release to the environment. Refer to special instructions / safety data sheets.
S43:In case of fire use ... (there follows the type of fire-fighting equipment to be used.)
5. Preparation of Phenethyl isocyanate
Phenethyl isocyanate can be prepared by phenethyl-oxalamic acid. This reaction will need reagents (NH4)2S2O8, AgNO3, CuSO4 and solvent hexane, H2O. The reaction time is 3 hour(s) with reaction temperature of 40 ℃. The yield is about 84%.
6. Use of Phenethyl isocyanate
Phenethyl isocyanate can be used to produce C9H10NO4S(1-).K(1+). This reaction will need reagent potassium mηbisulfite and solvents dioxane, H2O. The yield is about 96%.
7. Other detail of Phenethyl isocyanate
When you are using this chemical, please be cautious about it as the following:
Phenethyl isocyanate is harmful if swallowed. Phenethyl isocyanate is toxic by inhalation. And it may cause severe burns. It is toxic if swallowed. It may also cause sensitization by inhalation and skin contact. It is toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment, so avoid release it to the environment. Refer to special instructions / safety data sheets. When use it, wear suitable protective clothing, gloves and eye/face protection. If contact with eyes, rinse immediately with plenty of water and seek medical advice. In case of fire use ... (there follows the type of fire-fighting equipment to be used.) In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
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