4-chloro-7,8-dihydro-3-(2-fluorophenyl)furo[2,3-g]-1,2-benzisoxazole-7-carboxylic acid

Base Information

Chemical Name:4-chloro-7,8-dihydro-3-(2-fluorophenyl)furo[2,3-g]-1,2-benzisoxazole-7-carboxylic acid
CAS No.:107804-67-1
Molecular Formula:C₁₆H₉ClFNO₄
Molecular Weight:333.703
Hs Code.:

Synonyms:4-chloro-7,8-dihydro-3-(2-fluorophenyl)furo[2,3-g]-1,2-benzisoxazole-7-carboxylic acid

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Chemical Property of 4-chloro-7,8-dihydro-3-(2-fluorophenyl)furo[2,3-g]-1,2-benzisoxazole-7-carboxylic acid

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Technology Process of 4-chloro-7,8-dihydro-3-(2-fluorophenyl)furo[2,3-g]-1,2-benzisoxazole-7-carboxylic acid

There total 5 articles about 4-chloro-7,8-dihydro-3-(2-fluorophenyl)furo[2,3-g]-1,2-benzisoxazole-7-carboxylic acid 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: 60.0%

: 107804-66-0
4-chloro-7,8-dihydro-3-(2-fluorophenyl)furo[2,3-g]-1,2-benzisoxazole-7-methanol

: 107804-67-1
4-chloro-7,8-dihydro-3-(2-fluorophenyl)furo[2,3-g]-1,2-benzisoxazole-7-carboxylic acid

Guidance literature:: With chromium(VI) oxide; sulfuric acid; In water; acetone; Ambient temperature; 9h + overnight;
DOI:10.1248/cpb.39.1760

Reference yield:

: 107804-85-3
4-chloro-3-(2-fluorophenyl)-6-hydroxy-1,2-benzisoxazole

: 107804-67-1
4-chloro-7,8-dihydro-3-(2-fluorophenyl)furo[2,3-g]-1,2-benzisoxazole-7-carboxylic acid

Guidance literature:: Multi-step reaction with 4 steps

1: 100 percent / K₂CO₃ / dimethylformamide / 2.5 h / 50 - 60 °C

2: 72 percent / N,N-dimethylaniline / 1 h / Heating

3: 74 percent / m-chloroperbenzoic acid / CHCl₃ / 5 h / Heating

4: 60 percent / CrO₃, conc. H₂SO₄ / acetone; H₂O / Ambient temperature; 9h + overnight

With chromium(VI) oxide; sulfuric acid; potassium carbonate; N,N-dimethyl-aniline; 3-chloro-benzenecarboperoxoic acid; In chloroform; water; N,N-dimethyl-formamide; acetone;
DOI:10.1248/cpb.39.1760

Reference yield:

: 72482-28-1
4-chloro-3-(2-fluorophenyl)-6-methoxy-1,2-benzisoxazole

: 107804-67-1
4-chloro-7,8-dihydro-3-(2-fluorophenyl)furo[2,3-g]-1,2-benzisoxazole-7-carboxylic acid

Guidance literature:: Multi-step reaction with 5 steps

1: 96 percent / pyridine hydrochloride / 7 h / 180 - 190 °C

2: 100 percent / K₂CO₃ / dimethylformamide / 2.5 h / 50 - 60 °C

3: 72 percent / N,N-dimethylaniline / 1 h / Heating

4: 74 percent / m-chloroperbenzoic acid / CHCl₃ / 5 h / Heating

5: 60 percent / CrO₃, conc. H₂SO₄ / acetone; H₂O / Ambient temperature; 9h + overnight

With chromium(VI) oxide; sulfuric acid; pyridine hydrochloride; potassium carbonate; N,N-dimethyl-aniline; 3-chloro-benzenecarboperoxoic acid; In chloroform; water; N,N-dimethyl-formamide; acetone;
DOI:10.1248/cpb.39.1760