Diisopropylethylamine → 5-[3-(4-Fluoro-phenyl)-5-methyl-3H-[1,2,3]triazol-4-ylmethoxy]-pyrazine-2-carboxylic acid (tetrahydro-pyran-4-yl)-amide

HRID 402457Notes

Reaction equation

HRID 402457 reaction equation
[F:1][C:2]1[CH:7]=[CH:6][C:5]([N:8]2[C:12]([CH2:13][O:14][C:15]3[N:16]=[CH:17][C:18]([C:21]([OH:23])=O)=[N:19][CH:20]=3)=[C:11]([CH3:24])[N:10]=[N:9]2)=[CH:4][CH:3]=1.CN(C(ON1N=NC2C=CC=CC1=2)=[N+](C)C)C.[B-](F)(F)(F)F.CCN(C(C)C)C(C)C.[NH2:56][CH:57]1[CH2:62][CH2:61][O:60][CH2:59][CH2:58]1>CN(C=O)C>[O:60]1[CH2:61][CH2:62][CH:57]([NH:56][C:21]([C:18]2[CH:17]=[N:16][C:15]([O:14][CH2:13][C:12]3[N:8]([C:5]4[CH:4]=[CH:3][C:2]([F:1])=[CH:7][CH:6]=4)[N:9]=[N:10][C:11]=3[CH3:24])=[CH:20][N:19]=2)=[O:23])[CH2:58][CH2:59]1

Participants

6

Reactant 4

HCID 81531DiisopropylethylamineHCID 4192234-AminotetrahydropyranHCID 2733207O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 674987585-[3-(4-Fluoro-phenyl)-5-methyl-3H-[1,2,3]triazol-4-ylmethoxy]-pyrazine-2-carboxylic acid

Product 1

HCID 573358355-[3-(4-Fluoro-phenyl)-5-methyl-3H-[1,2,3]triazol-4-ylmethoxy]-pyrazine-2-carboxylic acid (tetrahydro-pyran-4-yl)-amideYield 89.2%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

To a solution of 5-[3-(4-fluoro-phenyl)-5-methyl-3H-[1,2,3]triazol-4-ylmethoxy]-pyrazine-2-carboxylic acid (83 mg, 0.25 mmol) and TBTU (90 mg, 0.28 mmol) in DMF (3.0 mL) was added DIPEA (216 μL, 1.26 mmol). Then 4-aminotetrahydropyran (28 mg, 0.28 mmol) was added and the mixture was stirred at room temperature under Ar for 30 min. The mixture was then evaporated and purification by chromatography (silica, 50 to 100% ethyl acetate in heptane) afforded the title compound (92 mg, 89%) as a white solid. MS: m/e=413.3 [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-c8599540e8154f858bc082cc58d7eeef
Source dataset
uspto-grants-2014_06
Patent number
US08742097B2

Reaction notes

Loading…