1,4,6,7-tetrahydro-5H-Indol-5-one

Base Information

• Chemical Name: 1,4,6,7-tetrahydro-5H-Indol-5-one
• CAS No.: 35419-02-4
• Molecular Formula: C8H9NO
• Molecular Weight: 135.16300
• Hs Code.: 2933990090
• Mol file: 35419-02-4.mol

Synonyms:4,5,6,7-tetrahydro-5-oxoindole;1,4,6,7-tetrahydro-indol-5-one;6,7-Dihydro-1H-indol-5(4H)-one;5-Oxo-4,5,6,7-tetrahydroindol;1,4,6,7-TETRAHYDRO-5H-INDOL-5-ONE;

Chemical Property of 1,4,6,7-tetrahydro-5H-Indol-5-one

Chemical Property:

• Vapor Pressure: 0mmHg at 25°C
• Boiling Point: 330.619oC at 760 mmHg
• Flash Point: 161.766oC
• PSA: 32.86000
• Density: 1.217g/cm3
• LogP: 1.07250

Purity/Quality:

98%min ^*data from raw suppliers

6,7-Dihydro-1H-indol-5(4H)-one ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1,4,6,7-tetrahydro-5H-Indol-5-one

There total 5 articles about 1,4,6,7-tetrahydro-5H-Indol-5-one which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 30.0%

1-diazo-4-(pyrrol-2-yl)-2-butanone (676486-42-3) → 4,5,6,7-tetrahydro-5-oxoindole (35419-02-4) + 7,8-dihydroindolizin-6(5H)-one

Guidance literature:

dirhodium tetraacetate; In dichloromethane; at 20 ℃;

DOI:10.1016/j.tet.2003.12.019

Reference yield:

3-(1H-pyrrol-2-yl)propanoic acid (408309-29-5) → 4,5,6,7-tetrahydro-5-oxoindole (35419-02-4)

Guidance literature:

Multi-step reaction with 2 steps

1.1: N-methylmorpholine; ClCO₂Et / diethyl ether / 0.25 h / 0 °C

1.2: 70 percent / diethyl ether / 0 - 20 °C

2.1: 30 percent / Rh₂(OAc)4 / CH₂Cl₂ / 20 °C

With 4-methyl-morpholine; chloroformic acid ethyl ester; dirhodium tetraacetate; In diethyl ether; dichloromethane;

DOI:10.1016/j.tet.2003.12.019

Reference yield:

ethyl 3-(1H-pyrrol-2-yl)propionate (55490-37-4) → 4,5,6,7-tetrahydro-5-oxoindole (35419-02-4)

Guidance literature:

Multi-step reaction with 3 steps

1.1: K₂CO₃ / H₂O; ethanol / Heating

2.1: N-methylmorpholine; ClCO₂Et / diethyl ether / 0.25 h / 0 °C

2.2: 70 percent / diethyl ether / 0 - 20 °C

3.1: 30 percent / Rh₂(OAc)4 / CH₂Cl₂ / 20 °C

With 4-methyl-morpholine; chloroformic acid ethyl ester; potassium carbonate; dirhodium tetraacetate; In diethyl ether; ethanol; dichloromethane; water;

DOI:10.1016/j.tet.2003.12.019

upstream raw materials:

1-diazo-4-(pyrrol-2-yl)-2-butanone

3-(1H-pyrrol-2-yl)propanoic acid

ethyl 3-(1H-pyrrol-2-yl)propionate

3-(pyrrol-2-yl)acrylic acid ethyl ester

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