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

HRID 2391707Notes

Reaction equation

HRID 2391707 reaction equation
[Si:1]([O:8][CH2:9][C:10]1[N:15]=[CH:14][C:13]2[N:16]=[CH:17][N:18]([C:19]3[S:23][C:22]([C:24]([O:26][CH3:27])=[O:25])=[C:21]([OH:28])[CH:20]=3)[C:12]=2[CH:11]=1)([C:4]([CH3:7])([CH3:6])[CH3:5])([CH3:3])[CH3:2].[F:29][C:30]([F:41])([F:40])[C:31]1[CH:36]=[CH:35][CH:34]=[CH:33][C:32]=1[C@H:37](O)[CH3:38].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]=[CH:17][N:18]([C:19]3[S:23][C:22]([C:24]([O:26][CH3:27])=[O:25])=[C:21]([O:28][C@H:37]([C:32]4[CH:33]=[CH:34][CH:35]=[CH:36][C:31]=4[C:30]([F:29])([F:40])[F:41])[CH3:38])[CH:20]=3)[C:12]=2[CH:11]=1)([C:4]([CH3:5])([CH3:6])[CH3:7])([CH3:2])[CH3:3]

Participants

6

Reactant 4

HCID 11776TriphenylphosphineHCID 97268Di-tert-butyl azodicarboxylateHCID 2779035(R)-1-(2-(trifluoromethyl)phenyl)ethanolHCID 68766707methyl 5-[6-({[tert-butyl(dimethyl)silyl]oxy}methyl)-1H-imidazo[4,5-c]pyridin-1-yl]-3-hydroxythiophene-2-carboxylate

Product 1

HCID 68766283methyl 5-[6-({[tert-butyl(dimethyl)silyl]oxy}methyl)-1H-imidazo[4,5-c]pyridin-1-yl]-3-{(1S)-1-[2-(trifluoromethyl)phenyl]ethoxy}thiophene-2-carboxylate

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

In a similar manner as described for example B31, 441 mg of methyl 5-[6-({[tert-butyl(dimethyl)silyl]oxy}methyl)-1H-imidazo[4,5-c]pyridin-1-yl]-3-hydroxythiophene-2-carboxylate, 300 mg of (1R)-1-[2-(trifluoromethyl)phenyl]ethanol, 672 mg of triphenylphosphine (polymer bound, ˜3 mmol/g) and 484 mg of di-tert-butyl azodicarboxylate in 12 ml anhydrous dichloromethane yield the title compound.

Sources & evidence

ORD record
ord-fe83fe8b2a0c44019b2a20b992793a4f
Source dataset
uspto-grants-2012_09
Patent number
US08273890B2

Reaction notes

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