Tert-butyl(4-chloro-2-ethynylphenoxy)acetate → HCID 58521958, compound
Reaction equation
[C:1]([O:5][C:6](=[O:18])[CH2:7][O:8][C:9]1[CH:14]=[CH:13][C:12]([Cl:15])=[CH:11][C:10]=1[C:16]#[CH:17])([CH3:4])([CH3:3])[CH3:2].I[C:20]1[CH:25]=[C:24]([S:26]([CH3:29])(=[O:28])=[O:27])[CH:23]=[CH:22][C:21]=1[OH:30]>>[C:1]([O:5][C:6](=[O:18])[CH2:7][O:8][C:9]1[CH:14]=[CH:13][C:12]([Cl:15])=[CH:11][C:10]=1[C:16]#[C:17][C:22]1[CH:23]=[C:24]([S:26]([CH3:29])(=[O:28])=[O:27])[CH:25]=[CH:20][C:21]=1[OH:30])([CH3:4])([CH3:3])[CH3:2]Participants
3
Procedure
Following the general method as outlined in Intermediate 79, starting from (4-chloro-2-ethynyl-phenoxy)-acetic acid tert-butyl ester (Intermediate 3) and 2-iodo-4-(methylsulfonyl)phenol (Intermediate 78), the title compound was obtained after purification by flash column chromatography (silica), eluting with cyclohexane containing increasing amounts of EtOAc.
Sources & evidence
- ORD record
- ord-d973625929354b6b9e273800820e56e7
- Source dataset
- uspto-grants-2012_09
- Patent number
- US08273769B2
Reaction notes
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