(1,4-Dibenzyl-piperazin-2-yl)-acetic acid methyl ester

Base Information

• Chemical Name: (1,4-Dibenzyl-piperazin-2-yl)-acetic acid methyl ester
• CAS No.: 183742-32-7
• Molecular Formula: C21H26 N2 O2
• Molecular Weight: 338.45
• Mol file: 183742-32-7.mol

Synonyms:Methyl2-(1,4-dibenzylpiperazin-2-yl)acetate; Methyl2-[1,4-bis(phenylmethyl)piperazin-2-yl]acetate

Chemical Property of (1,4-Dibenzyl-piperazin-2-yl)-acetic acid methyl ester

Chemical Property:

• Vapor Pressure: 0mmHg at 25°C
• Refractive Index: 1.572
• Boiling Point: 441.3°Cat760mmHg
• PKA: 6.21±0.10(Predicted)
• Flash Point: 220.7°C
• PSA: 32.78000
• Density: 1.117g/cm³
• LogP: 2.81190
• Storage Temp.: Inert atmosphere,Room Temperature

Purity/Quality:

99%min ^*data from raw suppliers

(1,4-DIBENZYL-PIPERAZIN-2-YL)-ACETIC ACID METHYL ESTER 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of (1,4-Dibenzyl-piperazin-2-yl)-acetic acid methyl ester

There total 7 articles about (1,4-Dibenzyl-piperazin-2-yl)-acetic acid methyl 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: 91.0%

2-(1,4-dibenzyl-2-piperazinyl)acetonitrile (70403-11-1) → 1,4-dibenzyl-2-methoxycarbonylmethylpiperazine (183742-32-7)

Guidance literature:

2-(1,4-dibenzyl-2-piperazinyl)acetonitrile; With methanol; sulfuric acid; Heating / reflux;

With water; sodium hydrogencarbonate; In methanol; dichloromethane; pH=9;

Reference yield: 62.0%

methyl 3-bromocrotonate (35588-68-2) + N,N'-Dibenzylethylenediamine (140-28-3,87170-83-0) → 1,4-dibenzyl-2-methoxycarbonylmethylpiperazine (183742-32-7)

Guidance literature:

With hydrogenchloride; potassium carbonate; triethylamine; In ethyl acetate; toluene;

Reference yield:

methyl 4-bromocrotonate (1117-71-1) + N,N'-Dibenzylethylenediamine (140-28-3,87170-83-0) → 1,4-dibenzyl-2-methoxycarbonylmethylpiperazine (183742-32-7)

Guidance literature:

With triethylamine; In toluene; at 0 - 20 ℃; for 48h;

upstream raw materials:

methyl 3-bromocrotonate

N,N'-Dibenzylethylenediamine

methyl 4-bromocrotonate

2-(1,4-dibenzyl-2-piperazinyl)acetonitrile

Downstream raw materials:

tert-butyl (2S)-2-{[9-(4-fluorobenzyl)-7,7a,8,9,10,11-hexahydropyrazino[1,2-d]pyrido[3,2-b][1,4]diazepin-5(6H)-yl]methyl}azetidine-1-carboxylate

tert-butyl (2S)-2-{[9-(4-fluorobenzyl)-7,7a,8,9,10,11-hexahydropyrazino[1,2-d]pyrido[3,2-b][1,4]diazepin-5(6H)-yl]carbonyl}azetidine-1-carboxylate

2-(4-(t-butoxycarbonyl)-1-(2-nitrophenyl)piperazin-2-yl)acetic acid

5-[(2S)-azetidin-2-ylmethyl]-9-(4-fluorobenzyl)-5,6,7,7a,8,9,10,11-octahydropyrazino[1,2-d]pyrido[3,2-b][1,4]diazepine

Refernces

• 1、 -. "Benzodiazepine and Pyridodiazepine Derivatives". Page/Page column 39-40. . Retrieved 2011/12/12.
• 2、 -. "ENANTIOPURE HETEROCYCLIC COMPOUND USEFUL FOR THE PREPARATION OF PEPTIDES WHICH CAN BE POTENTIALLY USED AS MEDICAMENTS". Page/Page column 16-17. . Retrieved 2008/06/13.