4H-1-Benzoselenin-4-one

Base Information

• Chemical Name: 4H-1-Benzoselenin-4-one
• CAS No.: 4671-91-4
• Molecular Formula: C9H6OSe
• Molecular Weight: 209.106
• Mol file: 4671-91-4.mol

Synonyms:

Chemical Property of 4H-1-Benzoselenin-4-one

Chemical Property:

• PSA: 17.07000
• LogP: 1.25700

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4H-1-Benzoselenin-4-one

There total 1 articles about 4H-1-Benzoselenin-4-one 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: 30.0%

1-selenochroman-4-one (4671-90-3) + acetonitrile (75-05-8,26809-02-9) + cyclohexene (110-83-8) → 4H-selenochromen-4-one (4671-91-4) + Cyclohex-2-enol (822-67-3) + N-(1-cyclohex-2-enyl)acetamide (39819-72-2)

Guidance literature:

With tetraethylammonium perchlorate; Further byproducts given. Yields of byproduct given; electrolyse 1.25V;

Reference yield: 80.0%

bromobenzene (108-86-1,52753-63-6) + 4H-selenochromen-4-one (4671-91-4) → 2-phenyl-4H-selenochromen-4-one (4512-97-4)

Guidance literature:

With palladium diacetate; caesium carbonate; tri tert-butylphosphoniumtetrafluoroborate; XPhos; Trimethylacetic acid; In N,N-dimethyl acetamide; at 135 ℃; for 15h; regioselective reaction; Inert atmosphere; Sealed tube;

DOI:10.1039/C7OB00118E

Reference yield: 74.0%

4H-selenochromen-4-one (4671-91-4) + para-bromotoluene (106-38-7) → 2-(p-tolyl)-4H-selenochromen-4-one

Guidance literature:

With palladium diacetate; caesium carbonate; tri tert-butylphosphoniumtetrafluoroborate; XPhos; Trimethylacetic acid; In N,N-dimethyl acetamide; at 135 ℃; for 15h; regioselective reaction; Inert atmosphere; Sealed tube;

DOI:10.1039/C7OB00118E

upstream raw materials:

1-selenochroman-4-one

acetonitrile

cyclohexene

Downstream raw materials:

2-(4-methoxyphenyl)-4H-selenochromen-4-one

2-phenyl-4H-selenochromen-4-one

Refernces