methyl (1R,3S,4S)-3-methoxy-4-(nitrooxy)cyclopentanecarboxylate → (1RS,3RS,4RS)-3-fluoro-4-(nitrooxy)cyclopentanecarboxylic acid
Reaction equation
CO[C@@H]1[C@@H](O[N+]([O-])=O)C[C@H](C(OC)=O)C1.[F:16][CH:17]1[CH:21]([O:22][N+:23]([O-:25])=[O:24])[CH2:20][CH:19]([C:26]([O:28]C)=[O:27])[CH2:18]1>>[F:16][CH:17]1[CH:21]([O:22][N+:23]([O-:25])=[O:24])[CH2:20][CH:19]([C:26]([OH:28])=[O:27])[CH2:18]1Participants
3
Procedure
The title compound was prepared by following step D for example 1, except that the reagent (+)-methyl (1R,3S,4S)-3-methoxy-4-(nitrooxy)cyclopentanecarboxylate was replaced by methyl (1RS,3RS,4RS)-3-fluoro-4-(nitrooxy)cyclopentanecarboxylate. 1H NMR (500 MHz, CDCl3) δ 2.13-2.52 (m, 1H), 2.30-2.52 (m, 2H), 2.61-2.69 (m, 1H), 3.16 (m, 1H), 5.10 (m, 1H), 5.47 (m, 1H).
Sources & evidence
- ORD record
- ord-e1cbedd68204400092302f1eb5fd0743
- Source dataset
- uspto-grants-2013_09
- Patent number
- US08530521B2
Reaction notes
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