2-Bromomethylnaphthalene → HCID 22126846, compound
Reaction equation
[CH2:1]([N:8]1[CH2:13][CH2:12][CH:11]([C:14]2[CH:19]=[CH:18][C:17]([O:20][CH3:21])=[CH:16][CH:15]=2)[CH:10]([OH:22])[CH2:9]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.Br[CH2:24][C:25]1[CH:34]=[CH:33][C:32]2[C:27](=[CH:28][CH:29]=[CH:30][CH:31]=2)[CH:26]=1>>[CH2:1]([N:8]1[CH2:13][CH2:12][CH:11]([C:14]2[CH:15]=[CH:16][C:17]([O:20][CH3:21])=[CH:18][CH:19]=2)[CH:10]([O:22][CH2:24][C:25]2[CH:34]=[CH:33][C:32]3[C:27](=[CH:28][CH:29]=[CH:30][CH:31]=3)[CH:26]=2)[CH2:9]1)[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1Participants
3
Procedure
In an analogous manner to that described in Example 12(b), by alkylating (3RS,4RS)-1-benzyl-4-(4-methoxy-phenyl)-piperidin-3-ol [Example 44(c)] with 2-bromomethylnaphthalene there was obtained (3RS,4RS)-1-benzyl-4-(4-methoxy-phenyl)-3-(naphthalen-2-ylmethoxy)-piperidine as a beige coloured solid; MS: 437 (M)+. Subsequent reaction with 2,2,2-trichloroethyl chloroformate gave 2,2,2-trichloro-ethyl (3RS,4RS)-4-(4-methoxy-phenyl)-3-(naphthalen-2-ylmethoxy)-piperidine-1-carboxylate as a yellowish oil; MS: 539, 541 (M+NH4)+.
Sources & evidence
- ORD record
- ord-574cb7f75a23448e866dbd1f1633ec53
- Source dataset
- uspto-grants-2000_11
- Patent number
- US06150526
Reaction notes
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