Quetiapine IMpurity P (11-(4-Ethylpiperazin-1-yl)dibenzo[b,f][1,4]thiazepine fuMarate))

Base Information

• Chemical Name: Quetiapine IMpurity P (11-(4-Ethylpiperazin-1-yl)dibenzo[b,f][1,4]thiazepine fuMarate))
• CAS No.: 1011758-03-4
• Molecular Formula: C19H21N3S
• Molecular Weight: 323.45514
• Mol file: 1011758-03-4.mol

Synonyms:Quetiapine IMpurity P (11-(4-Ethylpiperazin-1-yl)dibenzo[b,f][1,4]thiazepine fuMarate));11-(4-Ethyl-1-piperazinyl)-dibenzo[b,f][1,4]thiazepine;Quetiapine EP Impurity P;11-(4-Ethylpiperazin-1-yl)dibenzo[b,f][1,4]thiazepine

Chemical Property of Quetiapine IMpurity P (11-(4-Ethylpiperazin-1-yl)dibenzo[b,f][1,4]thiazepine fuMarate))

Chemical Property:

• Boiling Point: 465.7±55.0 °C(Predicted)
• PKA: 7.67±0.10(Predicted)
• PSA: 44.14000
• Density: 1.22±0.1 g/cm3(Predicted)
• LogP: 3.17840

Purity/Quality:

97% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: 11-(4-Ethyl-1-piperazinyl)dibenzo[b,f][1,4]thiazepine Dihydrochloride is a Quetiapine impurity.

Technology Process of Quetiapine IMpurity P (11-(4-Ethylpiperazin-1-yl)dibenzo[b,f][1,4]thiazepine fuMarate))

There total 2 articles about Quetiapine IMpurity P (11-(4-Ethylpiperazin-1-yl)dibenzo[b,f][1,4]thiazepine fuMarate)) 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%

4-ethylpiperazine (5308-25-8) + 11-chloro-dibenzo[b,f][1,4]thiazepine (13745-86-3) → 11-[4-ethyl-1-piperazinyl]dibenzo[b,f][1,4]thiazepine (1011758-03-4)

Guidance literature:

With tetrabutylammomium bromide; sodium carbonate; In toluene; for 5h;

Reference yield:

ethyl bromide (74-96-4) + N-Dealkyl Quetiapine dihydrochloride (111974-74-4) → 11-[4-ethyl-1-piperazinyl]dibenzo[b,f][1,4]thiazepine (1011758-03-4)

Guidance literature:

With sodium carbonate; In N,N-dimethyl-formamide; at 20 ℃; for 2h;

DOI:10.1691/ph.2008.7174

upstream raw materials:

ethyl bromide

N-Dealkyl Quetiapine dihydrochloride

4-ethylpiperazine

11-chloro-dibenzo[b,f][1,4]thiazepine

Refernces

• 1、 Bharathi,Prabahar,Prasad,Srinivasa Rao,Trinadhachary,Handa,Dandala, Ramesh,Naidu. "Identification, isolation, synthesis and characterization of impurities of quetiapine fumarate". . p. 14 - 19. Retrieved 2008/09/20.