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Cesium carbonate → HCID 67346343, compound

HRID 237251
Notes
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Reaction equation

HRID 237251 reaction equation
[C:1]([O:5][C:6]([N:8]1[CH2:11][CH:10]([O:12][C:13]2[CH:18]=[C:17]([Cl:19])[CH:16]=[CH:15][C:14]=2[OH:20])[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[CH2:21]([O:23][C:24]([C:26]1[CH:30]=[C:29]([CH2:31]Br)[O:28][C:27]=1[C:33]([F:36])([F:35])[F:34])=[O:25])[CH3:22].C([O-])([O-])=O.[Cs+].[Cs+]>CN(C=O)C>[C:1]([O:5][C:6]([N:8]1[CH2:9][CH:10]([O:12][C:13]2[CH:18]=[C:17]([Cl:19])[CH:16]=[CH:15][C:14]=2[O:20][CH2:31][C:29]2[O:28][C:27]([C:33]([F:35])([F:36])[F:34])=[C:26]([C:24]([O:23][CH2:21][CH3:22])=[O:25])[CH:30]=2)[CH2:11]1)=[O:7])([CH3:4])([CH3:2])[CH3:3]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 10796Cesium carbonateHCID 13237850Ethyl 5-(bromomethyl)-2-(trifluoromethyl)furan-3-carboxylateHCID 673429093-(5-Chloro-2-hydroxy-phenoxy)-azetidine-1-carboxylic acid tert-butyl ester

Product 1

HCID 67346343HCID 67346343, compoundYield 71.2%

Reagents, catalysts & solvents 1

HCID 6228
Dimethylformamide
Solvent

Procedure

The title compound was prepared as described in Example 1 Step D using 3-(5-chloro-2-hydroxy-phenoxy)-azetidine-1-carboxylic acid tert-butyl ester (0.3 g, 1.0 mmol), the title compound of Example 75 Step A (0.75 g, 2.5 mmol), Cs2CO3 (0.80 g, 2.4 mmol) and KI (0.23 g, 1.4 mmol) in DMF (15 mL). The crude material was purified by RP HPLC to provide the title compound (0.37 g, 71%). 1H NMR (CDCl3): 7.20-6.92 (m, 1H), 6.91-6.80 (m, 2H), 6.77-6.69 (m, 1H), 6.53 (d, J=2.1 Hz, 1H), 4.87 (s, 2H), 4.79-4.69 (m, 1H), 4.27-4.12 (m, 2H), 4.00-3.88 (m, 2H), 1.38 (s, 9H).

Workup

  1. customThe title compound was prepared
  2. customThe crude material was purified by RP HPLC

Sources & evidence

ORD record
ord-94a0fd832fdf4162866f8448e04e9e61
Source dataset
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08642583B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes