Pyrimido(2,1-b)benzothiazol-5-ium, 2,4-dimethyl-, perchlorate

Base Information

• Chemical Name: Pyrimido(2,1-b)benzothiazol-5-ium, 2,4-dimethyl-, perchlorate
• CAS No.: 28737-68-0
• Molecular Formula: C12 H11 N2 S . Cl O4
• Molecular Weight: 0
• Mol file: 28737-68-0.mol

Synonyms:2,4-Dimethyl-pyrimido(2,1-b)benzothiazol-5-ium perchlorate;Pyrimido(2,1-b)benzothiazol-5-ium, 2,4-dimethyl-, perchlorate;

Chemical Property of Pyrimido(2,1-b)benzothiazol-5-ium, 2,4-dimethyl-, perchlorate

Chemical Property:

• Boiling Point: °Cat760mmHg
• Flash Point: °C
• PSA: 119.50000
• Density: g/cm³
• LogP: 2.86610

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Pyrimido(2,1-b)benzothiazol-5-ium, 2,4-dimethyl-, perchlorate

There total 2 articles about Pyrimido(2,1-b)benzothiazol-5-ium, 2,4-dimethyl-, perchlorate 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: 77.0%

2-amino-benzthiazole (136-95-8,102337-98-4,84293-42-5) + acetylacetone (123-54-6,81235-32-7) → 2,4-dimethylpyrimido[2,1-b][1,3]benzothiazol-5-ium perchlorate (28737-68-0)

Guidance literature:

With formic acid; perchloric acid; phosphorus pentoxide; at 100 ℃; for 10h;

DOI:10.1002/jhet.5570330459

Reference yield:

2-amino-1,3-benzothiazolium perchlorate (40253-89-2) + acetylacetone (123-54-6,81235-32-7) → 2,4-dimethylpyrimido[2,1-b][1,3]benzothiazol-5-ium perchlorate (28737-68-0)

Guidance literature:

at 135 - 150 ℃;

Reference yield:

2,4-dimethylpyrimido[2,1-b][1,3]benzothiazol-5-ium perchlorate (28737-68-0) + 4-dimethylamino-benzaldehyde (100-10-7) → 2,4-bis-(4-dimethylamino-styryl)-benzo[4,5]thiazolo[3,2-a]pyrimidinylium; perchlorate

Guidance literature:

In acetic anhydride;

upstream raw materials:

2-amino-1,3-benzothiazolium perchlorate

acetylacetone

2-amino-benzthiazole

Refernces

• 1、 Takenaka, Keiko,Tsuji, Tadakazu. "Synthesis of [1,3,4]thiadiazolo[3,2-a]pyrimidines in the presence of formic acid". . p. 1367 - 1370. Retrieved 2007/10/03.