2-phenylthiochromenium perchlorate

Base Information

• Chemical Name: 2-phenylthiochromenium perchlorate
• CAS No.: 22956-28-1
• Molecular Formula: C15 H11 S . Cl O4
• Molecular Weight: 322.7634
• Mol file: 22956-28-1.mol

Synonyms:2-Phenyl-1-benzothiopyrylium perchlorate;2-phenylthiochromene perchlorate;

Chemical Property of 2-phenylthiochromenium perchlorate

Chemical Property:

• Boiling Point: °Cat760mmHg
• Flash Point: °C
• Density: g/cm³

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2-phenylthiochromenium perchlorate

There total 4 articles about 2-phenylthiochromenium 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: 45.0%

2-phenyl-4H-benzothiopyran (35813-96-8) → 2-phenylbenzothiopyrylium perchlorate (22956-28-1) + 3,4-Dihydro-2-phenyl-2H-1-benzothiopyran (5961-99-9)

Guidance literature:

With perchloric acid; In acetic acid; for 24h; Ambient temperature;

DOI:10.1246/bcsj.56.1251

Reference yield:

1-thioflavone (784-62-3) → 2-phenylbenzothiopyrylium perchlorate (22956-28-1)

Guidance literature:

Multi-step reaction with 2 steps

1: 95 percent / LiAlH₄, AlCl₃ / tetrahydrofuran / 1.67 h / 25 °C

2: 1.) DDQ, 2.) 60percent HClO₄ / 1.) glacial AcOH, 30 min, 2.) glacial AcOH, 30 min

With lithium aluminium tetrahydride; aluminium trichloride; perchloric acid; 2,3-dicyano-5,6-dichloro-p-benzoquinone; In tetrahydrofuran;

DOI:10.1246/bcsj.56.1251

Reference yield:

2-phenyl-4H-benzothiopyran (35813-96-8) → 2-phenylbenzothiopyrylium perchlorate (22956-28-1)

Guidance literature:

With perchloric acid; 2,3-dicyano-5,6-dichloro-p-benzoquinone; Yield given. Multistep reaction; 1.) glacial AcOH, 30 min, 2.) glacial AcOH, 30 min;

DOI:10.1246/bcsj.56.1251

upstream raw materials:

2-phenyl-4H-benzothiopyran

1-thioflavone