3H-Benzo[b]cyclopenta[d]thiophen-3-one, 1,2-dihydro-

Base Information

• Chemical Name: 3H-Benzo[b]cyclopenta[d]thiophen-3-one, 1,2-dihydro-
• CAS No.: 10245-84-8
• Molecular Formula: C11H8OS
• Mol file: 10245-84-8.mol

Synonyms:

Chemical Property of 3H-Benzo[b]cyclopenta[d]thiophen-3-one, 1,2-dihydro-

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 3H-Benzo[b]cyclopenta[d]thiophen-3-one, 1,2-dihydro-

There total 1 articles about 3H-Benzo[b]cyclopenta[d]thiophen-3-one, 1,2-dihydro- 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:

Trifluoro-methanesulfonatedimethyl-(1-trifluoromethanesulfonyloxy-allylidene)-ammonium; + Benzo[b]thiophene (95-15-8,11095-43-5) → 2,3-dihydro-1H-benzocyclopentathiophen-3-one (10245-84-8) + 2,3-dihydro-benzo[b]cyclopenta[d]thiophen-1-one (38006-16-5)

Guidance literature:

With potassium carbonate; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts; 1.) C₂H₄Cl₂, reflux, 10 h, 2.) C₂H₄Cl₂, Et₂O, 1 h;

DOI:10.1055/s-1997-1207

Reference yield:

2,3-dihydro-1H-benzocyclopentathiophen-3-one (10245-84-8) → 1-(2,3-dihydro-1H-benzo[b]cyclopenta[d]thiophen-7-yl)-ethanone-(2,4-dinitro-phenylhydrazone)

Guidance literature:

Multi-step reaction with 3 steps

1: hydrazine hydrate; potassium hydroxide; diethylene glycol

2: aluminium chloride; carbon disulfide

With carbon disulfide; potassium hydroxide; aluminium trichloride; hydrazine hydrate; diethylene glycol;

Reference yield:

2,3-dihydro-1H-benzocyclopentathiophen-3-one (10245-84-8) + (2,4-dinitro-phenyl)-hydrazine (119-26-6) → 1,2-dihydro-benzo[b]cyclopenta[d]thiophen-3-one-(2,4-dinitro-phenylhydrazone)

Guidance literature:

upstream raw materials:

Benzo[b]thiophene