Iodomethyl pivalate → HCID 53920308, compound
Reaction equation
[C:1]([O:8][CH2:9][CH2:10][O:11][CH2:12][N:13]1[C:17]([S:18][C:19]2[CH:24]=[C:23]([Cl:25])[CH:22]=[C:21]([Cl:26])[CH:20]=2)=[C:16]([CH:27]([CH3:29])[CH3:28])[N:15]=[C:14]1[CH3:30])(=[O:7])[CH2:2][CH2:3][C:4]([O-:6])=[O:5].[C:31]([O:37][CH2:38]I)(=[O:36])[C:32]([CH3:35])([CH3:34])[CH3:33]>>[C:1]([O:8][CH2:9][CH2:10][O:11][CH2:12][N:13]1[C:17]([S:18][C:19]2[CH:24]=[C:23]([Cl:25])[CH:22]=[C:21]([Cl:26])[CH:20]=2)=[C:16]([CH:27]([CH3:28])[CH3:29])[N:15]=[C:14]1[CH3:30])(=[O:7])[CH2:2][CH2:3][C:4]([O:6][CH2:38][O:37][C:31](=[O:36])[C:32]([CH3:35])([CH3:34])[CH3:33])=[O:5]Participants
3
Procedure
The compound 76 (250 mg, 0.526 mmol) was converted to the ester with pivaloyloxymethyl iodide (140 mg, 0.578 mmol) under potassium carbonate (50.9 mg, 0.368 mmol) in the same manner as the example 61 to give the compound 78 (262 mg, 84%) as oil. Rf 0.18 (1:1 EtOAc - hexane).
Sources & evidence
- ORD record
- ord-dfaf6ceb77aa4d97be94fc72f96a0b0c
- Source dataset
- uspto-grants-2000_04
- Patent number
- US06054591
Reaction notes
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