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Isopropylamine → 6-[5-(4-Fluoro-phenyl)-3-methyl-3H-[1,2,3]triazol-4-ylethynyl]-N-isopropyl-nicotinamide

HRID 402424
Notes
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Reaction equation

HRID 402424 reaction equation
[F:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[N:12]=[N:11][N:10]([CH3:13])[C:9]=2[C:14]#[C:15][C:16]2[CH:24]=[CH:23][C:19]([C:20](O)=[O:21])=[CH:18][N:17]=2)=[CH:4][CH:3]=1.CN(C(O[N:33]1N=N[C:35]2C=CC=[CH:39][C:34]1=2)=[N+](C)C)C.[B-](F)(F)(F)F.CCN(C(C)C)C(C)C.C(N)(C)C>CN(C=O)C>[F:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[N:12]=[N:11][N:10]([CH3:13])[C:9]=2[C:14]#[C:15][C:16]2[CH:24]=[CH:23][C:19]([C:20]([NH:33][CH:34]([CH3:39])[CH3:35])=[O:21])=[CH:18][N:17]=2)=[CH:4][CH:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 6363IsopropylamineHCID 81531DiisopropylethylamineHCID 2733207O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 674991796-[5-(4-Fluoro-phenyl)-3-methyl-3H-[1,2,3]triazol-4-ylethynyl]-nicotinic acid

Product 1

HCID 573354026-[5-(4-Fluoro-phenyl)-3-methyl-3H-[1,2,3]triazol-4-ylethynyl]-N-isopropyl-nicotinamide
Yield 51.1%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

To a solution of 6-[5-(4-fluoro-phenyl)-3-methyl-3H-[1,2,3]triazol-4-ylethynyl]-nicotinic acid (69 mg, 0.21 mmol) and TBTU (76 mg, 0.24 mmol) in DMF (1.0 mL) was added DIPEA (183 μL, 1.07 mmol). Then isopropylamine (20 μL, 0.24 mmol) was added and the mixture was stirred at room temperature under Ar for 1 h. The mixture was then evaporated and purification by chromatography (silica, 50 to 100% ethyl acetate in heptane) afforded the title compound (39 mg, 50%) as a light yellow solid after recrystallisation from ethyl acetate/heptane. MS: m/e=364.2 [M+H]+.

Workup

  1. customThe mixture was then evaporated
  2. custompurification by chromatography (silica, 50 to 100% ethyl acetate in heptane)

Sources & evidence

ORD record
ord-ad20b90075c64faeaee2b8f24da6fb2c
Source dataset
uspto-grants-2014_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08742097B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes