3-Amino-2-(2,4-difluoro-phenoxy)-4,5-dihydro-cyclopenta[b]thiophen-6-one

Base Information

Chemical Name:3-Amino-2-(2,4-difluoro-phenoxy)-4,5-dihydro-cyclopenta[b]thiophen-6-one
CAS No.:215190-67-3
Molecular Formula:C₁₃H₉F₂NO₂S
Molecular Weight:281.283
Hs Code.:

Synonyms:3-Amino-2-(2,4-difluoro-phenoxy)-4,5-dihydro-cyclopenta[b]thiophen-6-one

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of 3-Amino-2-(2,4-difluoro-phenoxy)-4,5-dihydro-cyclopenta[b]thiophen-6-one

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Technology Process of 3-Amino-2-(2,4-difluoro-phenoxy)-4,5-dihydro-cyclopenta[b]thiophen-6-one

There total 6 articles about 3-Amino-2-(2,4-difluoro-phenoxy)-4,5-dihydro-cyclopenta[b]thiophen-6-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: 70.0%

: 215190-63-9
2-(2,4-Difluoro-phenoxy)-3-nitro-4,5-dihydro-cyclopenta[b]thiophen-6-one

: 215190-67-3
3-Amino-2-(2,4-difluoro-phenoxy)-4,5-dihydro-cyclopenta[b]thiophen-6-one

Guidance literature:: With hydrogen; Raney nickel W₂; In methanol; under 3620.04 Torr;
DOI:10.1007/PL00013496

Reference yield:

: 40566-77-6
1-(5-chloro-[2]thienyl)-3-dimethylamino-propan-1-one; hydrochloride

: 215190-67-3
3-Amino-2-(2,4-difluoro-phenoxy)-4,5-dihydro-cyclopenta[b]thiophen-6-one

Guidance literature:: Multi-step reaction with 5 steps

1: 59 percent / H₂O / Heating

2: PPA

3: 80 percent / fum. HNO₃, conc. H₂SO₄ / 3 h / 0 °C

4: 50 percent / K₂CO₃ / acetone / 1) 5 deg C, 2 h, 2) 25 deg C, 4 h

5: 70 percent / H₂ / Raney nickel W₂ / methanol / 3620.04 Torr

With sulfuric acid; hydrogen; nitric acid; potassium carbonate; Raney nickel W₂; In methanol; water; acetone;
DOI:10.1007/PL00013496

Reference yield:

: 83072-04-2
3-chloro-1-(5-chlorothiophen-2-yl)propan-1-one

: 215190-67-3
3-Amino-2-(2,4-difluoro-phenoxy)-4,5-dihydro-cyclopenta[b]thiophen-6-one

Guidance literature:: Multi-step reaction with 4 steps

1: 1) AlCl₃, 2) conc. H₂SO₄ / 1) CHCl₃, 2) heating

2: 80 percent / fum. HNO₃, conc. H₂SO₄ / 3 h / 0 °C

3: 50 percent / K₂CO₃ / acetone / 1) 5 deg C, 2 h, 2) 25 deg C, 4 h

4: 70 percent / H₂ / Raney nickel W₂ / methanol / 3620.04 Torr

With aluminium trichloride; sulfuric acid; hydrogen; nitric acid; potassium carbonate; Raney nickel W₂; In methanol; acetone;
DOI:10.1007/PL00013496