Fluoride Ion → 1-[(2'-Carbomethoxybiphenyl-4-yl)methyl]-4-chloro-5-hydroxymethyl-2-(cis-pent-1-en-1-yl)imidazole

HRID 465847

Reaction equation

HRID 465847 reaction equation
[Si]([O:8][CH2:9][C:10]1[N:14]([CH2:15][C:16]2[CH:21]=[CH:20][C:19]([C:22]3[CH:27]=[CH:26][CH:25]=[CH:24][C:23]=3[C:28]([O:30][CH3:31])=[O:29])=[CH:18][CH:17]=2)[C:13](/[CH:32]=[CH:33]\[CH2:34][CH2:35][CH3:36])=[N:12][C:11]=1[Cl:37])(C(C)(C)C)(C)C.[F-]>CCCCCC.C(OCC)(=O)C>[C:28]([C:23]1[CH:24]=[CH:25][CH:26]=[CH:27][C:22]=1[C:19]1[CH:20]=[CH:21][C:16]([CH2:15][N:14]2[C:10]([CH2:9][OH:8])=[C:11]([Cl:37])[N:12]=[C:13]2/[CH:32]=[CH:33]\[CH2:34][CH2:35][CH3:36])=[CH:17][CH:18]=1)([O:30][CH3:31])=[O:29]

Participants

4

Reactant 2

HCID 28179Fluoride IonHCID 665771855-t-Butyldimethylsilyloxymethyl-1-[(2'-carbomethoxybiphenyl-4-yl)methyl]-4-chloro-2-(cis-pent-1-en-1-yl)imidazole

Product 1

HCID 665771821-[(2'-Carbomethoxybiphenyl-4-yl)methyl]-4-chloro-5-hydroxymethyl-2-(cis-pent-1-en-1-yl)imidazole

Reagents, catalysts & solvents 1

HCID 21226206Ethyl acetate hexaneSolvent

Procedure

5-t-Butyldimethylsilyloxymethyl-1-[(2'-carbomethoxybiphenyl-4-yl)methyl]-4-chloro-2-(cis-pent-1-en-1-yl)imidazole (100 mg) was desilylated with fluoride by procedures familiar to one skilled in the art. Flash chromatography in 1:1 hexane/ethyl acetate yielded 65 mg of a viscous, colorless oil. NMR (200 MHz, CDCl3) δ7.85 (d, 1H), 7.55 (t, 1H), 7.42 (t, 1H), 7.28 (m, 3H), 7.05 (d, 2H), 6.11 (d, 1H), 5.92 (d of t, 1H), 5.30 (s, 2H), 4.57 (d, 2H), 3.64 (s, 3H), 2.69 (quart., 2H), 1.62 (t, 1H), 1.47 (sext., 2H), 0.92 (t, 1H).

Sources & evidence

ORD record
ord-cb8e349a04034706a640c4e6286aeb06
Source dataset
uspto-grants-1992_10
Patent number
US05153197

Linked notes

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