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Dimethyl Sulfoxide → 5-[4'-(5-Azidomethyl-2-butyl-4-chloro-imidazol-1-ylmethyl)-biphenyl-2-yl]-1-trityl-1H-tetrazole

HRID 919329
Notes
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Reaction equation

HRID 919329 reaction equation
CS(C)=O.[CH2:5]([C:9]1[N:13]([CH2:14][C:15]2[CH:20]=[CH:19][C:18]([C:21]3[CH:26]=[CH:25][CH:24]=[CH:23][C:22]=3[C:27]3[N:31]([C:32]([C:45]4[CH:50]=[CH:49][CH:48]=[CH:47][CH:46]=4)([C:39]4[CH:44]=[CH:43][CH:42]=[CH:41][CH:40]=4)[C:33]4[CH:38]=[CH:37][CH:36]=[CH:35][CH:34]=4)[N:30]=[N:29][N:28]=3)=[CH:17][CH:16]=2)[C:12]([CH2:51]OS(C)(=O)=O)=[C:11]([Cl:57])[N:10]=1)[CH2:6][CH2:7][CH3:8].[N-:58]=[N+:59]=[N-:60].[Na+].[Na+].[Cl-]>CCOC(C)=O>[N:58]([CH2:51][C:12]1[N:13]([CH2:14][C:15]2[CH:20]=[CH:19][C:18]([C:21]3[CH:26]=[CH:25][CH:24]=[CH:23][C:22]=3[C:27]3[N:31]([C:32]([C:45]4[CH:50]=[CH:49][CH:48]=[CH:47][CH:46]=4)([C:39]4[CH:44]=[CH:43][CH:42]=[CH:41][CH:40]=4)[C:33]4[CH:38]=[CH:37][CH:36]=[CH:35][CH:34]=4)[N:30]=[N:29][N:28]=3)=[CH:17][CH:16]=2)[C:9]([CH2:5][CH2:6][CH2:7][CH3:8])=[N:10][C:11]=1[Cl:57])=[N+:59]=[N-:60]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 679Dimethyl SulfoxideHCID 5234Sodium ChlorideHCID 33557Sodium AzideHCID 86624363Methanesulfonic acid 2-butyl-5-chloro-3-[2'-(1-trityl-1H-tetrazol-5-yl)-biphenyl-4-ylmethyl]-3H-imidazol-4-ylmethyl ester

Product 1

HCID 866262645-[4'-(5-Azidomethyl-2-butyl-4-chloro-imidazol-1-ylmethyl)-biphenyl-2-yl]-1-trityl-1H-tetrazole
Yield 86.9%

Reagents, catalysts & solvents 1

HCID 8857Ethyl AcetateSolvent

Procedure

To a dimethyl sulfoxide (100 mL) solution of intermediate (11c) (15 g, 20 mmol) was added sodium azide (3.9 g, 60 mmol). The mixture was stirred at room temperature for 20 minutes. EtOAc (500 mL) and saturated aqueous NaCl (100 mL) were added and the layers were separated, retaining the organic layer. The organic was washed an additional three times with saturated aqueous NaCl (100 mL). After drying over sodium sulfate and filtration, the removal of solvent provided intermediate (11 d) as a yellow solid (12 g), which was used directly in the next step. MS m/z: [M+H+] calcd for C41H36ClN9, 690.29. found 690.5.

Workup

  1. customthe layers were separated
  2. washThe organic was washed an additional three times with saturated aqueous NaCl (100 mL)
  3. dry with materialAfter drying over sodium sulfate and filtration
  4. customthe removal of solvent

Sources & evidence

ORD record
ord-1cf768428a6846bcb09090457b4e746f
Source dataset
uspto-grants-2016_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09273008B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes