Methanesulfonyl chloride → HCID 90295545, compound
Reaction equation
[CH2:1]([O:8][C:9]([N:11]1[CH2:16][CH2:15][N:14]([C:17]2[CH:18]=[CH:19][C:20]3[N:25]4[C:26](=[O:31])[O:27][C@@H:28]([CH2:29][OH:30])[C@@H:24]4[CH2:23][O:22][C:21]=3[CH:32]=2)[C:13](=[O:33])[CH2:12]1)=[O:10])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[CH3:34][S:35](Cl)(=[O:37])=[O:36]>>[CH2:1]([O:8][C:9]([N:11]1[CH2:16][CH2:15][N:14]([C:17]2[CH:18]=[CH:19][C:20]3[N:25]4[C:26](=[O:31])[O:27][C@@H:28]([CH2:29][O:30][S:35]([CH3:34])(=[O:37])=[O:36])[C@@H:24]4[CH2:23][O:22][C:21]=3[CH:32]=2)[C:13](=[O:33])[CH2:12]1)=[O:10])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1Participants
3
Procedure
Using compound 4-((3R,3 aS)-3-(hydroxymethyl)-1-oxo-1,3,3a,4-tetrahydrobenzo[b]oxazolo[3,4-d][1,4]oxazin-7-yl)-3-oxopiperazin-1-carboxylic acid benzyl ester (0.946 g, 2.088 mmol), methylsulfonyl chloride (0.359 g, 3.13 mmol), and TEA (0.422 g, 4.18 mmol) as starting materials, preparation following the method as described in Example 1 (c) afforded white solid 0.916 g, yield: 82.52%.
Workup
- custommaterials, preparation
Sources & evidence
- ORD record
- ord-796ea2e6311445adbab88c5aed1c33f0
- Source dataset
- uspto-grants-2016_07
- Patent number
- US09382265B2
Reaction notes
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