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Cesium carbonate → methyl 4-[3-[(E)-(4-phenylphenyl)methylideneamino]oxypropoxy]-2-[[4-(trifluoromethoxy)benzoyl]amino]benzoate

HRID 29677
Notes
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Reaction equation

HRID 29677 reaction equation
[CH3:1][O:2][C:3](=[O:29])[C:4]1[CH:9]=[CH:8][C:7]([O:10][CH2:11][CH2:12][CH2:13]Br)=[CH:6][C:5]=1[NH:15][C:16](=[O:28])[C:17]1[CH:22]=[CH:21][C:20]([O:23][C:24]([F:27])([F:26])[F:25])=[CH:19][CH:18]=1.[C:30]1([C:39]2[CH:44]=[CH:43][CH:42]=[CH:41][CH:40]=2)[CH:35]=[CH:34][C:33]([CH:36]=[N:37][OH:38])=[CH:32][CH:31]=1.C(=O)([O-])[O-].[Cs+].[Cs+]>CC(C)=O>[CH3:1][O:2][C:3](=[O:29])[C:4]1[CH:9]=[CH:8][C:7]([O:10][CH2:11][CH2:12][CH2:13][O:38]/[N:37]=[CH:36]/[C:33]2[CH:34]=[CH:35][C:30]([C:39]3[CH:40]=[CH:41][CH:42]=[CH:43][CH:44]=3)=[CH:31][CH:32]=2)=[CH:6][C:5]=1[NH:15][C:16](=[O:28])[C:17]1[CH:22]=[CH:21][C:20]([O:23][C:24]([F:27])([F:26])[F:25])=[CH:19][CH:18]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 10796Cesium carbonateHCID 2615464-PhenylbenzaldoximeHCID 692101914-(3-Bromo-propoxy)-2-(4-trifluoromethoxy-benzoylamino)-benzoic acid methyl ester

Product 1

HCID 87735102methyl 4-[3-[(E)-(4-phenylphenyl)methylideneamino]oxypropoxy]-2-[[4-(trifluoromethoxy)benzoyl]amino]benzoateYield 80%

Reagents, catalysts & solvents 1

HCID 180
Acetone
Solvent

Procedure

This compound was produced using similar methods as those used in Step 5, example 27, starting with 4-(3-bromo-propoxy)-2-(4-trifluoromethoxy-benzoylamino)-benzoic acid methyl ester (0.46 g, 0.97 mmol), biphenyl-4-carbaldehyde oxime (0.20 g, 1.01 mmol) and cesium carbonate (1.26 g, 3.86 mmol) in acetone (35 mL). The crude material was purified by flash chromatography through silica gel using diethyl ether/hexanes (0/100 gradient to 12/88) to give 4-[3-({[(1E)-1,1′-biphenyl-4-ylmethylidene]amino}oxy)propoxy]-2-{[4-(trifluoromethoxy)benzoyl]amino}benzoic acid methyl ester (0.46 g, 80%) as a white solid. 1H NMR (500 MHz, DMSO-d6); δ 11.93 (s, 1H), 8.34 (d, 1H), 8.31 (s, 1H), 8.06 (d, 2H), 7.99 (d, 1H), 7.70-7.66 (m, 6H), 7.60 (d, 1H), 7.46 (t, 2H), 7.38 (t, 1H), 6.85 (dd, 1H), 4.31 (t, 2H), 4.23 (t, 2H), 3.87 (s, 3H), 2.18 (m, 2H).

Workup

  1. customThis compound was produced
  2. customThe crude material was purified by flash chromatography through silica gel

Sources & evidence

ORD record
ord-7ad0965e86ef4bfb8e4dc21023266aaf
Source dataset
uspto-grants-2008_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07420083B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes