4-Methyl-1,5,6,7-tetrahydro-2H-cyclopenta[b]-pyridin-2-one

Base Information

• Chemical Name: 4-Methyl-1,5,6,7-tetrahydro-2H-cyclopenta[b]-pyridin-2-one
• CAS No.: 20594-30-3
• Molecular Formula: C₉H₁₁NO
• Molecular Weight: 149.192
• Hs Code.: 2933790090
• Mol file: 20594-30-3.mol

Synonyms:2H-1-Pyrindin-2-one,1,5,6,7-tetrahydro-4-methyl-; 5H-1-Pyrindin-2-ol, 6,7-dihydro-4-methyl- (8CI);1,5,6,7-tetrahydro-4-methyl-2H-cyclopenta[b]pyridin-2-one;4-Methyl-1,5,6,7-tetrahydro-2H-cyclopenta[b]pyridin-2-one; NSC 150956

Chemical Property of 4-Methyl-1,5,6,7-tetrahydro-2H-cyclopenta[b]-pyridin-2-one

Chemical Property:

• Vapor Pressure: 6.51E-06mmHg at 25°C
• Melting Point: 243-244 °C(Solv: ethanol (64-17-5))
• Boiling Point: 378°Cat760mmHg
• PKA: 13.08±0.40(Predicted)
• Flash Point: 220.9°C
• PSA: 32.86000
• Density: 1.13g/cm³
• LogP: 1.17200

Purity/Quality:

97% ^*data from raw suppliers

4-Methyl-6,7-dihydro-5H-cyclopenta[B]pyridin-2-ol ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4-Methyl-1,5,6,7-tetrahydro-2H-cyclopenta[b]-pyridin-2-one

There total 4 articles about 4-Methyl-1,5,6,7-tetrahydro-2H-cyclopenta[b]-pyridin-2-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: 57.0%

acetoacetamido (5977-14-0) + cyclopentanone (120-92-3) → 1,5,6,7-Tetrahydro-4-methyl-1-pyrindin-2-one (20594-30-3)

Guidance literature:

With PPA; at 100 ℃; for 5h;

Reference yield: 23.0%

ethyl acetoacetate (141-97-9) + cyclopentanone (120-92-3) → 4-methyl-6,7-dihydro-5H-[1]pyrindine-2-ol (20594-30-3)

Guidance literature:

With ammonium acetate; for 8h; Heating;

DOI:10.1021/ol049853c

Reference yield:

ethyl acetoacetate (141-97-9) + cyclopentanone (120-92-3) → 1,5,6,7-Tetrahydro-4-methyl-1-pyrindin-2-one (20594-30-3)

Guidance literature:

With ammonium acetate; In ethanol; at 80 ℃;

DOI:10.1016/j.bmcl.2005.02.067

upstream raw materials:

ethyl acetoacetate

cyclopentanone

acetoacetamido

Downstream raw materials:

4,4'-dimethyl-6,6',7,7'-tetrahydro-5H,5'H-2,2'-bi([1]pyrindinyl)-7,7'-dione (1S,2S)-1,2-diphenyl-1,2-ethanediol bis-acetal

2-chloro-5,6-dihydro-4-methyl-cyclopenta[b]pyridin-7-one

C₂₃H₂₀ClNO₂

(4S,4aS,7aS)-4-Methyl-octahydro-[1]pyrindin-2-one

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