2-(1-Boc-piperidin-4-ylMethyl)Malonic acid diethyl ester

Base Information

• Chemical Name: 2-(1-Boc-piperidin-4-ylMethyl)Malonic acid diethyl ester
• CAS No.: 166815-97-0
• Molecular Formula: C₁₈H₃₁NO₆
• Molecular Weight: 357.447
• Hs Code.: 2933399090
• Mol file: 166815-97-0.mol

Synonyms:2-(1-Boc-piperidin-4-ylMethyl)Malonic acid diethyl ester;tert-butyl 4-(3-ethoxy-2-(ethoxycarbonyl)-3-oxopropyl)piperidine-1-carboxylate

Chemical Property of 2-(1-Boc-piperidin-4-ylMethyl)Malonic acid diethyl ester

Chemical Property:

• Vapor Pressure: 3.46E-07mmHg at 25°C
• Boiling Point: 417.7°C at 760 mmHg
• Flash Point: 206.4°C
• PSA: 82.14000
• Density: 1.087g/cm³
• LogP: 2.70390

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2-(1-Boc-piperidin-4-ylMethyl)Malonic acid diethyl ester

There total 5 articles about 2-(1-Boc-piperidin-4-ylMethyl)Malonic acid diethyl 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: 59.0%

diethyl malonate (105-53-3) + N-tert-butoxycarbonyl-4-(4-toluenesulphonyloxymethyl)piperidine (166815-96-9) → 1-(tert-butoxycarbonyl)-4-[2,2-di(ethoxycarbonyl)ethyl]piperidine (166815-97-0)

Guidance literature:

diethyl malonate; With sodium hydride; In N,N-dimethyl-formamide; at 0 ℃; for 0.5h;

N-tert-butoxycarbonyl-4-(4-toluenesulphonyloxymethyl)piperidine; In N,N-dimethyl-formamide; at 100 ℃;

DOI:10.1002/anie.201712775

Reference yield:

tert-butyl 4-(iodomethyl)piperidine-1-carboxylate (145508-94-7) + diethyl malonate (105-53-3) → 1-(tert-butoxycarbonyl)-4-[2,2-di(ethoxycarbonyl)ethyl]piperidine (166815-97-0)

Guidance literature:

With potassium carbonate; sodium thiosulfate; In water; toluene;

Reference yield:

di-tert-butyl dicarbonate (24424-99-5) → 1-(tert-butoxycarbonyl)-4-[2,2-di(ethoxycarbonyl)ethyl]piperidine (166815-97-0)

Guidance literature:

Multi-step reaction with 3 steps

1.1: dichloromethane

2.1: triethylamine / dichloromethane / 1 h / 0 °C

3.1: sodium hydride / N,N-dimethyl-formamide / 0.5 h / 0 °C

3.2: 100 °C

With sodium hydride; triethylamine; In dichloromethane; N,N-dimethyl-formamide;

DOI:10.1002/anie.201712775

upstream raw materials:

diethyl malonate

N-tert-butoxycarbonyl-4-(4-toluenesulphonyloxymethyl)piperidine

tert-butyl 4-(iodomethyl)piperidine-1-carboxylate

di-tert-butyl dicarbonate

Downstream raw materials:

3-(1-(tert-butoxycarbonyl)piperidin-4-yl)propanoic acid