3-(8-bromo-N-methyl-4,5-dihydrobenzo[b]thieno[2,3-d]oxepine-2-carboxamido)-4-chlorobenzoic acid

Base Information

Chemical Name:3-(8-bromo-N-methyl-4,5-dihydrobenzo[b]thieno[2,3-d]oxepine-2-carboxamido)-4-chlorobenzoic acid
CAS No.:1282529-98-9
Molecular Formula:C₂₁H₁₅BrClNO₄S
Molecular Weight:492.777
Hs Code.:

Synonyms:3-(8-bromo-N-methyl-4,5-dihydrobenzo[b]thieno[2,3-d]oxepine-2-carboxamido)-4-chlorobenzoic acid

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Chemical Property of 3-(8-bromo-N-methyl-4,5-dihydrobenzo[b]thieno[2,3-d]oxepine-2-carboxamido)-4-chlorobenzoic acid

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Technology Process of 3-(8-bromo-N-methyl-4,5-dihydrobenzo[b]thieno[2,3-d]oxepine-2-carboxamido)-4-chlorobenzoic acid

There total 12 articles about 3-(8-bromo-N-methyl-4,5-dihydrobenzo[b]thieno[2,3-d]oxepine-2-carboxamido)-4-chlorobenzoic 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: 91.0%

: 1282529-97-8
methyl 3-(8-bromo-N-methyl-4,5-dihydrobenzo[b]thieno[2,3-d]oxepine-2-carboxamido)-4-chlorobenzoate

: 1282529-98-9
3-(8-bromo-N-methyl-4,5-dihydrobenzo[b]thieno[2,3-d]oxepine-2-carboxamido)-4-chlorobenzoic acid

Guidance literature:: With lithium hydroxide monohydrate; water; In tetrahydrofuran; at 20 ℃;
DOI:10.1021/jm2007084

Reference yield:

: 157245-84-6
ethyl 4-(3-bromophenoxy)butanoate

: 1282529-98-9
3-(8-bromo-N-methyl-4,5-dihydrobenzo[b]thieno[2,3-d]oxepine-2-carboxamido)-4-chlorobenzoic acid

Guidance literature:: Multi-step reaction with 9 steps

1: lithium hydroxide monohydrate; water / tetrahydrofuran / 48 h / 50 °C

2: polyphosphoric acid; celite / toluene / 5 h / 110 °C

3: N,N-dimethyl-formamide / 20 °C

4: potassium carbonate / N,N-dimethyl-formamide / 50 °C

5: lithium hydroxide monohydrate; water / tetrahydrofuran / 3 h / 50 °C

6: thionyl chloride / 2 h / 80 °C

7: pyridine / tetrahydrofuran / 20 °C

8: caesium carbonate / N,N-dimethyl-formamide / 20 °C

9: lithium hydroxide monohydrate; water / tetrahydrofuran / 20 °C

With pyridine; thionyl chloride; lithium hydroxide monohydrate; water; potassium carbonate; caesium carbonate; In tetrahydrofuran; N,N-dimethyl-formamide; toluene;
DOI:10.1021/jm2007084

Reference yield:

: 1189815-76-6
methyl 8-bromo-4,5-dihydrobenzo[b]thieno[2,3-d]oxepine-2-carboxylate

: 1282529-98-9
3-(8-bromo-N-methyl-4,5-dihydrobenzo[b]thieno[2,3-d]oxepine-2-carboxamido)-4-chlorobenzoic acid

Guidance literature:: Multi-step reaction with 5 steps

1: lithium hydroxide monohydrate; water / tetrahydrofuran / 3 h / 50 °C

2: thionyl chloride / 2 h / 80 °C

3: pyridine / tetrahydrofuran / 20 °C

4: caesium carbonate / N,N-dimethyl-formamide / 20 °C

5: lithium hydroxide monohydrate; water / tetrahydrofuran / 20 °C

With pyridine; thionyl chloride; lithium hydroxide monohydrate; water; caesium carbonate; In tetrahydrofuran; N,N-dimethyl-formamide;
DOI:10.1021/jm2007084