Sodium borohydride → HCID 67170339, compound
Reaction equation
C([O:3][C:4]([C:6]1([NH:13][C:14](=[O:34])[C:15]2[CH:20]=[CH:19][C:18]([O:21][CH3:22])=[C:17]([O:23][CH2:24][C:25](=[O:33])[C:26]3[CH:27]=[C:28]([CH3:32])[CH:29]=[CH:30][CH:31]=3)[CH:16]=2)[CH2:12][CH2:11][CH2:10][CH2:9][CH2:8][CH2:7]1)=[O:5])C.[BH4-].[Na+]>>[OH:33][CH:25]([C:26]1[CH:27]=[C:28]([CH3:32])[CH:29]=[CH:30][CH:31]=1)[CH2:24][O:23][C:17]1[CH:16]=[C:15]([CH:20]=[CH:19][C:18]=1[O:21][CH3:22])[C:14]([NH:13][C:6]1([C:4]([OH:5])=[O:3])[CH2:12][CH2:11][CH2:10][CH2:9][CH2:8][CH2:7]1)=[O:34]Participants
3
Procedure
The compound of step 2 was reduced with sodium borohydride in analogy to step 2 of example 53, the ester intermediate purified by RP HPLC (water/ACN gradient) and hydrolyzed in analogy to step 4 of example 1 to yield the title compound.
Workup
- customthe ester intermediate purified by RP HPLC (water/ACN gradient) and hydrolyzed in analogy to step 4 of example 1
Sources & evidence
- ORD record
- ord-9fc023ccfc05493590a78b1e25974db8
- Source dataset
- uspto-grants-2013_12
- Patent number
- US08618304B2
Reaction notes
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