CYANO-CYCLOPENTYLIDENE-ACETIC ACIDMETHYL ESTER

Base Information

• Chemical Name: CYANO-CYCLOPENTYLIDENE-ACETIC ACIDMETHYL ESTER
• CAS No.: 66977-04-6
• Molecular Formula: C9H11NO2
• Molecular Weight: 165.1891
• Mol file: 66977-04-6.mol

Synonyms:Cyan-cyclopentyliden-essigsaeure-methylester;cyano-Cyclopentylidene-Acetic Acid Methyl Ester;cyano-cyclopentyliden-acetic acid methyl ester;Cyclopentyliden-cyan-essigsaeure-methylester;cyclopentylidenecyanacetate d'methyle;methyl cyano(cyclopentylidene)acetate;HMS1748C13;

Chemical Property of CYANO-CYCLOPENTYLIDENE-ACETIC ACIDMETHYL ESTER

Chemical Property:

• Vapor Pressure: 0.0045mmHg at 25°C
• Boiling Point: 277.5°Cat760mmHg
• Flash Point: 125.9°C
• PSA: 50.09000
• Density: 1.147g/cm³
• LogP: 1.55358

Purity/Quality:

99% ^*data from raw suppliers

METHYL 2-CYCLOPENTYLIDENE-2-CYANOACETATE Aldrich ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of CYANO-CYCLOPENTYLIDENE-ACETIC ACIDMETHYL ESTER

There total 5 articles about CYANO-CYCLOPENTYLIDENE-ACETIC ACIDMETHYL ESTER 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: 90.0%

cyclopentanone (120-92-3) + methyl 2-cyanoacetate (105-34-0) → cyanocyclopentylideneacetic acid methyl ester (66977-04-6)

Guidance literature:

With piperidine; for 0.116667h; Irradiation;

DOI:10.1055/s-1994-25453

Reference yield:

diazomethane (186581-53-3,908094-01-9,334-88-3) + cyano-1 methoxycarbonyl-1 propadiene (93102-12-6) → cyanocyclopentylideneacetic acid methyl ester (66977-04-6) + cyclobutylidenecyanaacetate d'methyle (98714-66-0)

Guidance literature:

With triethylamine; In diethyl ether; at -20 ℃; for 1.5h; Yield given. Yields of byproduct given;

DOI:10.1016/S0040-4020(01)96559-7

Reference yield:

(Z)-3-Chloro-2-cyano-but-2-enoic acid methyl ester (98714-55-7) → cyanocyclopentylideneacetic acid methyl ester (66977-04-6)

Guidance literature:

Multi-step reaction with 2 steps

1: Et₃N

2: Et₃N / diethyl ether; diethyl ether / 1.5 h / -20 °C

With triethylamine; In diethyl ether;

DOI:10.1016/S0040-4020(01)96559-7

upstream raw materials:

acetamide

acetic acid

cyclopentanone

methyl 2-cyanoacetate

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