1,2-Cyclopentanedione, mono(phenylhydrazone)

Base Information

• Chemical Name: 1,2-Cyclopentanedione, mono(phenylhydrazone)
• CAS No.: 62136-38-3
• Molecular Formula: C11H12N2O
• Molecular Weight: 188.22600
• Mol file: 62136-38-3.mol

Synonyms:2-Phenylhydrazono-cyclopentanon-(1);Cyclopentan-1,2-dion-mono-phenylhydrazon;Cyclopentan-1,2-dion-phenylhydrazon;1-Phenylhydrazono-cyclopentanon-(2);cyclopentane-1,2-dione-mono-phenylhydrazone;(1E/Z)-cyclopentane-1,2-dione phenylhydrazome;

Chemical Property of 1,2-Cyclopentanedione, mono(phenylhydrazone)

Chemical Property:

• Melting Point: 203 °C
• Boiling Point: 316.6±25.0 °C(Predicted)
• PSA: 41.46000
• Density: 1.18±0.1 g/cm3(Predicted)
• LogP: 2.28050

Purity/Quality:

99% ^*data from raw suppliers

2-(phenylhydrazono)cyclopentanone ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1,2-Cyclopentanedione, mono(phenylhydrazone)

There total 9 articles about 1,2-Cyclopentanedione, mono(phenylhydrazone) 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: 96.0%

benzene diazonium chloride (100-34-5) + cyclopentanone (120-92-3) + formic acid ethyl ester (109-94-4) → (1E)-cyclopentane-1,2-dione phenylhydrazome (62136-38-3)

Guidance literature:

cyclopentanone; formic acid ethyl ester; With sodium hydride; In ethanol; at 20 ℃;

benzene diazonium chloride; In water; at -5 - 0 ℃; for 1h;

DOI:10.1016/S0968-0896(02)00176-1

Reference yield: 46.0%

2-hydroxymethylenecyclopentanone (930-91-6) + benzene diazonium chloride (100-34-5) → (1E/Z)-cyclopentane-1,2-dione phenylhydrazome (62136-38-3)

Guidance literature:

With hydrogenchloride; sodium nitrate; sodium acetate; at 0 - 5 ℃; for 1h;

DOI:10.1515/HC.2002.8.1.65

Reference yield:

2-formylcyclopentanone (1192-54-7) + aniline (62-53-3) → (1E/Z)-cyclopentane-1,2-dione phenylhydrazome (62136-38-3)

Guidance literature:

aniline; With hydrogenchloride; sodium nitrite; In water; Cooling; Inert atmosphere;

2-formylcyclopentanone; With sodium acetate; In methanol; water; Inert atmosphere;

DOI:10.1021/jm800052b

upstream raw materials:

benzene diazonium chloride

2-ethoxycarbonyl-1-cyclopentanone

2-formylcyclopentanone

2-hydroxymethylenecyclopentanone

Downstream raw materials:

2-(4'-methoxy)-benzylidineindolo[2,3-b]cyclopentan-1-one

(3R)-4-benzyl-1,2,3,4-tetrahydrocyclopenta[b]indol-3-ol

4-benzyl-7-fluoro-1,4-dihydrocyclopenta[b]indol-3(2H)-one

1,4-dihydrocyclopenta[b]indol-3(2H)-one