tert-butyl N-(2-methyl-4-oxobutan-2-yl)carbamate → HCID 86600981, compound
Reaction equation
[NH2:1][C:2]1[C:7]([O:8][CH3:9])=[CH:6][CH:5]=[CH:4][C:3]=1[C:10]([OH:15])([CH2:13][CH3:14])[CH2:11][CH3:12].[CH3:16][C:17]([NH:22][C:23](=[O:29])[O:24][C:25]([CH3:28])([CH3:27])[CH3:26])([CH3:21])[CH2:18][CH:19]=O>>[CH2:11]([C:10]([C:3]1[CH:4]=[CH:5][CH:6]=[C:7]([O:8][CH3:9])[C:2]=1[NH:1][CH2:19][CH2:18][C:17]([NH:22][C:23](=[O:29])[O:24][C:25]([CH3:28])([CH3:27])[CH3:26])([CH3:21])[CH3:16])([OH:15])[CH2:13][CH3:14])[CH3:12]Participants
3
Procedure
The product is obtained analogously to intermediate product 1b starting from 3-(2-amino-3-methoxyphenyl)pentan-3-ol and tert-butyl (1,1-dimethyl-3-oxopropyl)carbamate. The crude product is purified by column chromatography (silica gel, cyclohexane/EtOAc, 4:1). Yield: 4.60 g (47%).
Workup
- customThe crude product is purified by column chromatography (silica gel, cyclohexane/EtOAc, 4:1)
Sources & evidence
- ORD record
- ord-6b1747cdde9e4062a186887610464344
- Source dataset
- uspto-grants-2009_12
- Patent number
- US07632834B2
Reaction notes
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