← Back to patent-cliff list
CAS 144873-97-2
(2-(1-trityl-1H-tetrazol-5-yl)phenyl)boronic acid
Codes：IRBE-016、VALS-015、CAND-041
Application context (from source-drug indications)
高血压Atorvastatin Calcium Hydrate/Irbesartan高脂血症Atorvastatin Calcium Hydrate/Irbesartan高血压苯磺酸左旋氨氯地平/缬沙坦原发性高血压苯磺酸左旋氨氯地平/缬沙坦原发性高血压缬沙坦/氨氯地平乳清酸盐原发性高血压缬沙坦/盐酸乐卡地平高血压厄贝沙坦/三氯噻嗪高血压苯磺酸氨氯地平/坎地沙坦酯
Source drugs (routes using this intermediate)
| Drug | Tier | Expiry |
|---|---|---|
| Atorvastatin Calcium Hydrate/IrbesartanAtorvastatin Calcium Hydrate/Irbesartan | Tier C — Watch / trade | - |
| 苯磺酸左旋氨氯地平/缬沙坦Levamlodipine Besylate/Valsartan | Tier C — Watch / trade | - |
| 缬沙坦/氨氯地平乳清酸盐Valsartan/Amlodipine Orotate | Tier C — Watch / trade | - |
| 缬沙坦/盐酸乐卡地平Valsartan/Lercanidipine Hydrochloride | Tier C — Watch / trade | - |
| 厄贝沙坦/三氯噻嗪Irbesartan/Trichlormethiazide | Tier C — Watch / trade | - |
| 苯磺酸氨氯地平/坎地沙坦酯Amlodipine Besylate/Candesartan Cilexetil | 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.
1,4-dibromobenzene→4-bromobenzaldehyde→(4-bromophenyl)methanol→1-bromo-4-(bromomethyl)benzene→2-butyl-1,3-diazaspiro[4.4]non-1-en-4-one hydrochloride→3-(4-bromobenzyl)-2-butyl-1,3-diazaspiro[4.4]non-1-en-4-one→(2-(1-trityl-1H-tetrazol-5-yl)phenyl)boronic acid
methyl L-valinate hydrochloride→pentanoyl chloride→1-bromo-4-(bromomethyl)benzene→(S)-methyl 2-((4-bromobenzyl)amino)-3-methylbutanoate→(S)-methyl 2-(N-(4-bromobenzyl)pentanamido)-3-methylbutanoate→(2-(1-trityl-1H-tetrazol-5-yl)phenyl)boronic acid→(S)-methyl 3-methyl-2-(N-((2'-(1-trityl-1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)pentanamido)butanoate
methyl L-valinate hydrochloride→pentanoyl chloride→1-bromo-4-(bromomethyl)benzene→(S)-methyl 2-((4-bromobenzyl)amino)-3-methylbutanoate→(S)-methyl 2-(N-(4-bromobenzyl)pentanamido)-3-methylbutanoate→(2-(1-trityl-1H-tetrazol-5-yl)phenyl)boronic acid→(S)-methyl 3-methyl-2-(N-((2'-(1-trityl-1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)pentanamido)butanoate
methyl L-valinate hydrochloride→pentanoyl chloride→1-bromo-4-(bromomethyl)benzene→(S)-methyl 2-((4-bromobenzyl)amino)-3-methylbutanoate→(S)-methyl 2-(N-(4-bromobenzyl)pentanamido)-3-methylbutanoate→(2-(1-trityl-1H-tetrazol-5-yl)phenyl)boronic acid→(S)-methyl 3-methyl-2-(N-((2'-(1-trityl-1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)pentanamido)butanoate
1,4-dibromobenzene→4-bromobenzaldehyde→(4-bromophenyl)methanol→1-bromo-4-(bromomethyl)benzene→2-butyl-1,3-diazaspiro[4.4]non-1-en-4-one hydrochloride→3-(4-bromobenzyl)-2-butyl-1,3-diazaspiro[4.4]non-1-en-4-one→(2-(1-trityl-1H-tetrazol-5-yl)phenyl)boronic acid
3-nitrophthalic acid→triethoxymethoxyethane→cyclohexyl (1-iodoethyl) carbonate→1-(((cyclohexyloxy)carbonyl)oxy)ethyl 2-ethoxy-1-((2'-(1-trityl-1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-1H-benzo[d]imidazole-7-carboxylate→2-(methoxycarbonyl)-6-nitrobenzoic acid→methyl 2-(chlorocarbonyl)-3-nitrobenzoate→methyl 2-(azidocarbonyl)-3-nitrobenzoate→methyl 2-((tert-butoxycarbonyl)amino)-3-nitrobenzoate→1-bromo-4-(bromomethyl)benzene→methyl 2-((4-bromobenzyl)(tert-butoxycarbonyl)amino)-3-nitrobenzoate→methyl 2-((4-bromobenzyl)amino)-3-nitrobenzoate→methyl 3-amino-2-((4-bromobenzyl)amino)benzoate→methyl 1-(4-bromobenzyl)-2-ethoxy-1H-benzo[d]imidazole-7-carboxylate→1-(4-bromobenzyl)-2-ethoxy-1H-benzo[d]imidazole-7-carboxylic acid→1-(((cyclohexyloxy)carbonyl)oxy)ethyl 1-(4-bromobenzyl)-2-ethoxy-1H-benzo[d]imidazole-7-carboxylate→(2-(1-trityl-1H-tetrazol-5-yl)phenyl)boronic acid→benzonitrile→5-phenyl-2H-tetrazole→5-phenyl-1-trityl-1H-tetrazole
Intermediates available on this site
No listed intermediates for this target yet — send an RFQ directly and it will enter our matching pool.
This is a CAS-level registry record: registrations across routes are merged. Supplier offers and buyer demands will be matched on this CAS as the primary key.