N-(dicyclohexyl)acetyl-4-[2-fluoro-4-bromobenzylidene]piperidine

Base Information

• Chemical Name: N-(dicyclohexyl)acetyl-4-[2-fluoro-4-bromobenzylidene]piperidine
• CAS No.: 455323-76-9
• Molecular Formula: C₂₆H₃₅BrFNO
• Molecular Weight: 476.472
• Mol file: 455323-76-9.mol

Synonyms:N-(dicyclohexyl)acetyl-4-[2-fluoro-4-bromobenzylidene]piperidine

Chemical Property of N-(dicyclohexyl)acetyl-4-[2-fluoro-4-bromobenzylidene]piperidine

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of N-(dicyclohexyl)acetyl-4-[2-fluoro-4-bromobenzylidene]piperidine

There total 3 articles about N-(dicyclohexyl)acetyl-4-[2-fluoro-4-bromobenzylidene]piperidine 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: 65.0%

N-(dicyclohexyl)acetyl-4-piperidone (292059-31-5) + 2-fluoro-4-bromobenzyltriphenylphosphonium bromide → N-(dicyclohexyl)acetyl-4-[2-fluoro-4-bromobenzylidene]piperidine (455323-76-9)

Guidance literature:

With 18-crown-6 ether; potassium carbonate; In dichloromethane; for 72h; Heating;

DOI:10.1021/jm0208471

Reference yield:

2-fluoro-4-bromotoluene (51436-99-8) → N-(dicyclohexyl)acetyl-4-[2-fluoro-4-bromobenzylidene]piperidine (455323-76-9)

Guidance literature:

Multi-step reaction with 3 steps

1: NBS; AIBN / CCl₄ / 2 h / Heating

2: 75 percent / toluene / 5 h / Heating

3: 65 percent / K₂CO₃; 18-crown-6 / CH₂Cl₂ / 72 h / Heating

With N-Bromosuccinimide; 18-crown-6 ether; 2,2'-azobis(isobutyronitrile); potassium carbonate; In tetrachloromethane; dichloromethane; toluene; 3: Wittig olefination;

DOI:10.1021/jm0208471

Reference yield:

4-bromo-2-fluorobenzyl bromide (76283-09-5) → N-(dicyclohexyl)acetyl-4-[2-fluoro-4-bromobenzylidene]piperidine (455323-76-9)

Guidance literature:

Multi-step reaction with 2 steps

1: 75 percent / toluene / 5 h / Heating

2: 65 percent / K₂CO₃; 18-crown-6 / CH₂Cl₂ / 72 h / Heating

With 18-crown-6 ether; potassium carbonate; In dichloromethane; toluene; 2: Wittig olefination;

DOI:10.1021/jm0208471

upstream raw materials:

N-(dicyclohexyl)acetyl-4-piperidone

2-fluoro-4-bromotoluene

4-bromo-2-fluorobenzyl bromide

Downstream raw materials:

N-(dicyclohexyl)acetyl-4-[2-fluoro-4-trimethylsilylethynylbenzylidene]piperidine