(2-Butyl-4-chloro-1-((2'-(1-trityl-1H-tetraazol-5-YL)(1,1'-biphenyl)-4-YL)methyl)-1H-imidazol-5-YL)methanol → N-Trityl Losartan Carboxaldehyde
Reaction equation
[CH2:1]([C:5]1[N:6]([CH2:13][C:14]2[CH:19]=[CH:18][C:17]([C:20]3[CH:25]=[CH:24][CH:23]=[CH:22][C:21]=3[C:26]3[N:30]([C:31]([C:44]4[CH:49]=[CH:48][CH:47]=[CH:46][CH:45]=4)([C:38]4[CH:43]=[CH:42][CH:41]=[CH:40][CH:39]=4)[C:32]4[CH:37]=[CH:36][CH:35]=[CH:34][CH:33]=4)[N:29]=[N:28][N:27]=3)=[CH:16][CH:15]=2)[C:7]([CH2:11][OH:12])=[C:8]([Cl:10])[N:9]=1)[CH2:2][CH2:3][CH3:4].C(C1N(CC2C=CC(C3C=CC=CC=3C(OC(C)(C)C)=O)=CC=2)C(Cl)=C(CO)N=1)CCC>>[CH2:1]([C:5]1[N:6]([CH2:13][C:14]2[CH:15]=[CH:16][C:17]([C:20]3[CH:25]=[CH:24][CH:23]=[CH:22][C:21]=3[C:26]3[N:30]([C:31]([C:32]4[CH:37]=[CH:36][CH:35]=[CH:34][CH:33]=4)([C:44]4[CH:45]=[CH:46][CH:47]=[CH:48][CH:49]=4)[C:38]4[CH:39]=[CH:40][CH:41]=[CH:42][CH:43]=4)[N:29]=[N:28][N:27]=3)=[CH:18][CH:19]=2)[C:7]([CH:11]=[O:12])=[C:8]([Cl:10])[N:9]=1)[CH2:2][CH2:3][CH3:4]Participants
3
Procedure
This Step A compound can be prepared as described in Example 3, Step A except that 2-butyl-1-[(2'-{N-triphenylmethyltetrazol-5-yl}{1,1'-biphenyl}-4-yl)methyl]-4-chloro-1H-imidazole-5-methanol can be used as the starting material for the oxidation instead of 2-butyl-1-[(2'-t-butoxycarbonylbiphen-4-yl)methyl]-5-chloro-1H-imidazole-4-methanol.
Workup
- customThis Step A compound can be prepared
Sources & evidence
- ORD record
- ord-50d9bdc07a164f708c0a370f4e76035c
- Source dataset
- uspto-grants-1995_02
- Patent number
- US05389660
Reaction notes
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