Polybenzoxazol

Base Information

• Chemical Name: Polybenzoxazol
• CAS No.: 29791-96-6
• Molecular Formula: C7H5NO
• Molecular Weight: 119.12
• Mol file: 29791-96-6.mol

Synonyms:Polybenzoxazol

Chemical Property of Polybenzoxazol

Chemical Property:

Purity/Quality:

99%, ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of Polybenzoxazol

There total 81 articles about Polybenzoxazol 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: 98.0%

orthoformic acid triethyl ester (122-51-0) + 2-amino-phenol (95-55-6) → benzoxazole (273-53-0,29791-96-6)

Guidance literature:

With gallium(III) triflate; at 20 ℃; for 0.133333h;

DOI:10.1002/cjoc.201180310

Reference yield: 93.0%

2-amino-phenol (95-55-6) + trimethyl orthoformate (149-73-5) → benzoxazole (273-53-0,29791-96-6)

Guidance literature:

With Ag(1.5percent) deposited on TiO₂ nanocomposites; In water; at 20 ℃; for 0.0666667h; Green chemistry;

DOI:10.1039/c5ra06618b

Reference yield: 75.0%

2-((piperidin-1-yl-methylene)amino)phenol (1352834-37-7) → 2-(piperidin-1-yl)-1,3-benzoxazole (2851-09-4) + benzoxazole (273-53-0,29791-96-6)

Guidance literature:

With tert.-butylhydroperoxide; tetra-(n-butyl)ammonium iodide; acetic acid; In acetonitrile; at 20 ℃; for 12h; Inert atmosphere;

DOI:10.1002/adsc.201100521

upstream raw materials:

1,3,5-Triazine

2-amino-phenol

benzoxazole-2-carboxylic acid

N-(2-hydroxyphenyl)formamide

Downstream raw materials:

1-benzoyl-2-(2-oxo-2,3-dihydro-indol-3-yl)-2,3-dihydro-benzooxazole

1-phenyl-3-methyl-4-(3-acetyl-2-benzoxazolyl)-5-pyrazolone

2-methoxy-benzooxazole-3-carboxylic acid ethyl ester

(3-oxo-3,4-dihydro-benz[1,4]oxazin-2-ylidene)acetic acid methyl ester

Refernces

• 1、 Li, Hu,Li, Zhengyi,Wu, Hongguo,Yang, Song,Yu, Zhaozhuo,Zhang, Lilong,Zhu, Kaixun. "A substituent- And temperature-controllable NHC-derived zwitterionic catalyst enables CO2upgrading for high-efficiency construction of formamides and benzimidazoles". supporting information. p. 5759 - 5765. Retrieved 2021/08/23.
• 2、 Ma, Xiaodong,Zhang, Guozhu. "Visible Light-Induced Copper-Catalyzed C—H Arylation of Benzoxazoles?". supporting information. p. 1299 - 1303. Retrieved 2020/08/05.