Methanol → HCID 57504923, compound
Reaction equation
[Br:1][C:2]1[CH:3]=[C:4]([C:9]23[CH2:17][CH:16]([OH:18])[CH2:15][CH:14]2[CH2:13][S:12][C:11]([NH:19][C:20](=[O:27])[C:21]2[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=2)=[N:10]3)[CH:5]=[CH:6][C:7]=1[F:8].CO>C(#N)C>[Br:1][C:2]1[CH:3]=[C:4]([C@:9]23[CH2:17][C@H:16]([OH:18])[CH2:15][C@H:14]2[CH2:13][S:12][C:11]([NH:19][C:20](=[O:27])[C:21]2[CH:22]=[CH:23][CH:24]=[CH:25][CH:26]=2)=[N:10]3)[CH:5]=[CH:6][C:7]=1[F:8]Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
Racemic N-((4aRS,6RS,7aSR)-7a-(3-bromo-4-fluorophenyl)-6-hydroxy-4,4a,5,6,7,7a-hexahydrocyclopenta[d][1,3]thiazin-2-yl)benzamide (0.492 g, 1.09 mmol) is purified by chiral HPLC: Column: Chiralcel OJ-H 3×25 cm; eluent: 75:25 (methanol:acetonitrile); flow: 40 mL/min at UV 225 nm. The second eluting isomer is isolated to provide the enantiomerically enriched title compound (0.171 g, 35%). ES/MS m/e (79Br/81Br) 449, 451 (M+1).
Workup
- customThe second eluting isomer is isolated
Sources & evidence
- ORD record
- ord-2e44e9b438ff48828d85ab84e51db421
- Source dataset
- uspto-grants-2012_10
- Patent number
- US08278441B2
Reaction notes
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