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Triphenylphosphine → 1-cyclopropyl-3-((1-(4,4-difluorobutyl)-1H-imidazo[4,5-b]pyridin-2-yl)methyl)-1H-imidazo[4,5-c]pyridin-2(3H)-one

HRID 1424498
Notes
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Reaction equation

HRID 1424498 reaction equation
[F:1][CH:2]([F:17])[CH2:3][CH2:4][CH2:5][N:6]1[C:14]2[C:9](=[N:10][CH:11]=[CH:12][CH:13]=2)[N:8]=[C:7]1[CH2:15]O.[CH:18]1([N:21]2[C:29]3[CH:28]=[CH:27][N:26]=[CH:25][C:24]=3[NH:23][C:22]2=[O:30])[CH2:20][CH2:19]1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.N(C([O-])=O)=NC([O-])=O>C1COCC1>[CH:18]1([N:21]2[C:29]3[CH:28]=[CH:27][N:26]=[CH:25][C:24]=3[N:23]([CH2:15][C:7]3[N:6]([CH2:5][CH2:4][CH2:3][CH:2]([F:17])[F:1])[C:14]4[C:9]([N:8]=3)=[N:10][CH:11]=[CH:12][CH:13]=4)[C:22]2=[O:30])[CH2:20][CH2:19]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 11776TriphenylphosphineHCID 223493611-Cyclopropyl-1,3-dihydroimidazo[4,5-c]pyridine-2-oneHCID 51573101N-carboxylatoiminocarbamateHCID 67991781(1-(4,4-difluorobutyl)-1H-imidazo[4,5-b]pyridin-2-yl)methanol

Product 1

HCID 679758681-cyclopropyl-3-((1-(4,4-difluorobutyl)-1H-imidazo[4,5-b]pyridin-2-yl)methyl)-1H-imidazo[4,5-c]pyridin-2(3H)-one
Yield 59.4%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

To a suspension of (1-(4,4-difluorobutyl)-1H-imidazo[4,5-b]pyridin-2-yl)methanol 43-5 (470 mg, 1.9 mmol), 1-cyclopropyl-1H-imidazo[4,5-c]pyridin-2(3H)-one 10-d (431 mg, 2.3 mmol) and triphenylphosphine (613 mg, 2.3 mmol) in 14 ml dry THF was added (E)-diïsopropyl diazene-1,2-dicarboxylate (0.6 ml, 2.9 mmol) at room temperature. The reaction mixture was stirred at room temperature for 16 hours. The precipitate was filtered off and washed with some diethyl ether to obtain the title product as a white powder (450 mg, 58%). m/z=399 (M+H)+.

Workup

  1. filtrationThe precipitate was filtered off
  2. washwashed with some diethyl ether

Sources & evidence

ORD record
ord-afe3384bdf39444eafa93b06fc7d9cbc
Source dataset
uspto-grants-2015_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08927720B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes