2-Hydroxy-2-methyl-1-(4-(methylsulfonyl)phenyl)butan-1-one → (1-cyclopropylethoxy)acetic acid 2(R)-methyl-1-(4-(methylsulfonyl)phenyl)butan-1-one-2yl ester
Reaction equation
[CH:1]1([CH:4]([O:6][CH2:7][C:8]([OH:10])=[O:9])[CH3:5])[CH2:3][CH2:2]1.O[C:12]([CH3:27])([CH2:25][CH3:26])[C:13]([C:15]1[CH:20]=[CH:19][C:18]([S:21]([CH3:24])(=[O:23])=[O:22])=[CH:17][CH:16]=1)=[O:14]>>[CH3:27][C@@:12]([O:9][C:8](=[O:10])[CH2:7][O:6][CH:4]([CH:1]1[CH2:3][CH2:2]1)[CH3:5])([CH2:25][CH3:26])[C:13]([C:15]1[CH:20]=[CH:19][C:18]([S:21]([CH3:24])(=[O:23])=[O:22])=[CH:17][CH:16]=1)=[O:14]Participants
3
Procedure
The title compound was prepared as described in Example 134 Step 2 using (1-cyclopropylethoxy)acetic acid and 2(R) 2-hydroxy-2-methyl-1-(4-(methylsulfonyl)phenyl)butan-1-one from Example 117, Step 3.
Sources & evidence
- ORD record
- ord-34480154a95d4d95adbdd9cf6f27b805
- Source dataset
- uspto-grants-1997_12
- DOI