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CAS 1034305-11-7
benzo[b]thiophen-2-yl(5-bromo-2-fluorophenyl)methanol
Codes: IPRA-003
Application context (from source-drug indications)
Type 2 diabetesSitagliptin Phosphate Monohydrate/Ipragliflozin L-ProlineType 2 diabetesIpragliflozin L-ProlineType 1 diabetesIpragliflozin L-ProlineDiabetesIpragliflozin L-ProlineLiver diseaseIpragliflozin L-Proline
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Sitagliptin Phosphate Monohydrate/Ipragliflozin L-Proline | Tier C — Watch / trade | - |
| Ipragliflozin L-Proline | Tier C — Watch / trade | - |
Position in synthesis routes (up/downstream chain)
Ordered by route registration; left → right is the synthesis direction. The highlighted node is the current CAS; others link to their own profiles.
5-bromo-2-fluorobenzaldehyde→benzo[b]thiophene→benzo[b]thiophen-2-yl(5-bromo-2-fluorophenyl)methanol→(benzo[b]thiophen-2-yl(5-bromo-2-fluorophenyl)methoxy)(tert-butyl)dimethylsilane→(3R,4S,5R,6R)-3,4,5-tris(benzyloxy)-6-((benzyloxy)methyl)tetrahydro-2H-pyran-2-one→(3R,4S,5R,6R)-2-(3-(benzo[b]thiophen-2-yl((tert-butyldimethylsilyl)oxy)methyl)-4-fluorophenyl)-3,4,5-tris(benzyloxy)-6-((benzyloxy)methyl)tetrahydro-2H-pyran-2-ol→(3R,4S,5R,6R)-2-(3-(benzo[b]thiophen-2-yl(hydroxy)methyl)-4-fluorophenyl)-3,4,5-tris(benzyloxy)-6-((benzyloxy)methyl)tetrahydro-2H-pyran-2-ol→(2S,3S,4R,5R,6R)-2-(3-(benzo[b]thiophen-2-ylmethyl)-4-fluorophenyl)-3,4,5-tris(benzyloxy)-6-((benzyloxy)methyl)tetrahydro-2H-pyran
5-bromo-2-fluorobenzaldehyde→benzo[b]thiophene→benzo[b]thiophen-2-yl(5-bromo-2-fluorophenyl)methanol→(3R,4S,5R,6R)-3,4,5-tris(benzyloxy)-6-((benzyloxy)methyl)tetrahydro-2H-pyran-2-one→(2S,3S,4R,5R,6R)-2-(3-(benzo[b]thiophen-2-ylmethyl)-4-fluorophenyl)-3,4,5-tris(benzyloxy)-6-((benzyloxy)methyl)tetrahydro-2H-pyran→2-(5-bromo-2-fluorobenzyl)benzo[b]thiophene→(3R,4S,5R,6R)-2-(3-(benzo[b]thiophen-2-ylmethyl)-4-fluorophenyl)-3,4,5-tris(benzyloxy)-6-((benzyloxy)methyl)tetrahydro-2H-pyran-2-ol
5-bromo-2-fluorobenzaldehyde→benzo[b]thiophene→benzo[b]thiophen-2-yl(5-bromo-2-fluorophenyl)methanol→2-(5-bromo-2-fluorobenzyl)benzo[b]thiophene→2-((5-bromo-2-fluorophenyl)chloromethyl)benzo[b]thiophene→(3R,4S,5R,6R)-3,4,5-tris((trimethylsilyl)oxy)-6-(((trimethylsilyl)oxy)methyl)tetrahydro-2H-pyran-2-one→(2S,3R,4S,5S,6R)-2-(3-(benzo[b]thiophen-2-ylmethyl)-4-fluorophenyl)-6-(hydroxymethyl)-2-methoxytetrahydro-2H-pyran-3,4,5-triol→(2S,3R,4S,5R,6R)-6-(acetoxymethyl)-2-(3-(benzo[b]thiophen-2-ylmethyl)-4-fluorophenyl)-2-methoxytetrahydro-2H-pyran-3,4,5-triyl triacetate→(2R,3R,4R,5S,6S)-2-(acetoxymethyl)-6-(3-(benzo[b]thiophen-2-ylmethyl)-4-fluorophenyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate→(S)-pyrrolidine-2-carboxylic acid
5-bromo-2-fluorobenzaldehyde→benzo[b]thiophene→benzo[b]thiophen-2-yl(5-bromo-2-fluorophenyl)methanol→(benzo[b]thiophen-2-yl(5-bromo-2-fluorophenyl)methoxy)(tert-butyl)dimethylsilane→(3R,4S,5R,6R)-3,4,5-tris(benzyloxy)-6-((benzyloxy)methyl)tetrahydro-2H-pyran-2-one→(3R,4S,5R,6R)-2-(3-(benzo[b]thiophen-2-yl((tert-butyldimethylsilyl)oxy)methyl)-4-fluorophenyl)-3,4,5-tris(benzyloxy)-6-((benzyloxy)methyl)tetrahydro-2H-pyran-2-ol→(3R,4S,5R,6R)-2-(3-(benzo[b]thiophen-2-yl(hydroxy)methyl)-4-fluorophenyl)-3,4,5-tris(benzyloxy)-6-((benzyloxy)methyl)tetrahydro-2H-pyran-2-ol→(2S,3S,4R,5R,6R)-2-(3-(benzo[b]thiophen-2-ylmethyl)-4-fluorophenyl)-3,4,5-tris(benzyloxy)-6-((benzyloxy)methyl)tetrahydro-2H-pyran
5-bromo-2-fluorobenzaldehyde→benzo[b]thiophene→benzo[b]thiophen-2-yl(5-bromo-2-fluorophenyl)methanol→(3R,4S,5R,6R)-3,4,5-tris(benzyloxy)-6-((benzyloxy)methyl)tetrahydro-2H-pyran-2-one→(2S,3S,4R,5R,6R)-2-(3-(benzo[b]thiophen-2-ylmethyl)-4-fluorophenyl)-3,4,5-tris(benzyloxy)-6-((benzyloxy)methyl)tetrahydro-2H-pyran→2-(5-bromo-2-fluorobenzyl)benzo[b]thiophene→(3R,4S,5R,6R)-2-(3-(benzo[b]thiophen-2-ylmethyl)-4-fluorophenyl)-3,4,5-tris(benzyloxy)-6-((benzyloxy)methyl)tetrahydro-2H-pyran-2-ol
5-bromo-2-fluorobenzaldehyde→benzo[b]thiophene→benzo[b]thiophen-2-yl(5-bromo-2-fluorophenyl)methanol→2-(5-bromo-2-fluorobenzyl)benzo[b]thiophene→2-((5-bromo-2-fluorophenyl)chloromethyl)benzo[b]thiophene→(3R,4S,5R,6R)-3,4,5-tris((trimethylsilyl)oxy)-6-(((trimethylsilyl)oxy)methyl)tetrahydro-2H-pyran-2-one→(2S,3R,4S,5S,6R)-2-(3-(benzo[b]thiophen-2-ylmethyl)-4-fluorophenyl)-6-(hydroxymethyl)-2-methoxytetrahydro-2H-pyran-3,4,5-triol→(2S,3R,4S,5R,6R)-6-(acetoxymethyl)-2-(3-(benzo[b]thiophen-2-ylmethyl)-4-fluorophenyl)-2-methoxytetrahydro-2H-pyran-3,4,5-triyl triacetate→(2R,3R,4R,5S,6S)-2-(acetoxymethyl)-6-(3-(benzo[b]thiophen-2-ylmethyl)-4-fluorophenyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate→(S)-pyrrolidine-2-carboxylic acid
Intermediates available on this site
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| Supplier | Product | Price band | MOQ | Lead time | Qualifications | Action |
|---|---|---|---|---|---|---|
| Qualified Partner — East China API Works | Benzo[b]thiophen-2-yl(5-bromo-2-fluorophenyl)methano Pharmaceutical Intermediates | On request | On request | On request | — |
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