Triphenylphosphine → methyl 5-[6-({[tert-butyl(dimethyl)silyl]oxy}methyl)-3H-imidazo[4,5-c]pyridin-3-yl]-3-[-1-(2-chlorophenyl)ethoxy]thiophene-2-carboxylate

HRID 2391719Notes

Reaction equation

HRID 2391719 reaction equation
[Si:1]([O:8][CH2:9][C:10]1[N:15]=[CH:14][C:13]2[N:16]([C:19]3[S:23][C:22]([C:24]([O:26][CH3:27])=[O:25])=[C:21]([OH:28])[CH:20]=3)[CH:17]=[N:18][C:12]=2[CH:11]=1)([C:4]([CH3:7])([CH3:6])[CH3:5])([CH3:3])[CH3:2].[Cl:29][C:30]1[CH:35]=[CH:34][CH:33]=[CH:32][C:31]=1[CH:36](O)[CH3:37].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.N(C(OC(C)(C)C)=O)=NC(OC(C)(C)C)=O>ClCCl>[Si:1]([O:8][CH2:9][C:10]1[N:15]=[CH:14][C:13]2[N:16]([C:19]3[S:23][C:22]([C:24]([O:26][CH3:27])=[O:25])=[C:21]([O:28][CH:36]([C:31]4[CH:32]=[CH:33][CH:34]=[CH:35][C:30]=4[Cl:29])[CH3:37])[CH:20]=3)[CH:17]=[N:18][C:12]=2[CH:11]=1)([C:4]([CH3:5])([CH3:6])[CH3:7])([CH3:2])[CH3:3]

Participants

6

Reactant 4

HCID 11776TriphenylphosphineHCID 260821-(2-Chlorophenyl)ethanolHCID 97268Di-tert-butyl azodicarboxylateHCID 68766004methyl 5-[6-({[tert-butyl(dimethyl)silyl]oxy}methyl)-3H-imidazo[4,5-c]pyridin-3-yl]-3-hydroxythiophene-2-carboxylate

Product 1

HCID 68767020methyl 5-[6-({[tert-butyl(dimethyl)silyl]oxy}methyl)-3H-imidazo[4,5-c]pyridin-3-yl]-3-[-1-(2-chlorophenyl)ethoxy]thiophene-2-carboxylate

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

In a similar manner as described for example B31, 8.9 g of methyl 5-[6-({[tert-butyl(dimethyl)silyl]oxy}methyl)-3H-imidazo[4,5-c]pyridin-3-yl]-3-hydroxythiophene-2-carboxylate, 5.0 g of 1-(2-chlorophenyl)ethanol, 11.2 g of triphenylphosphine (polymer bound, ˜3 mmol/g) and 9.8 g of di-tert-butyl azodicarboxylate in 260 ml anhydrous dichloromethane yield the title compound.

Sources & evidence

ORD record
ord-1b730f6d4b094112bc30ccb2e8cb7084
Source dataset
uspto-grants-2012_09
Patent number
US08273890B2

Reaction notes

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