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Dimethylformamide → tert-Butyl 4-(1-(3-(((4-methoxy-6-methyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)carbamoyl)-2-methyl-1H-indol-1-yl)ethyl)piperidine-1-carboxylate

HRID 1527015
Notes
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Reaction equation

HRID 1527015 reaction equation
[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][CH:11]([CH:14]([N:16]2[C:24]3[C:19](=[CH:20][CH:21]=[CH:22][CH:23]=3)[C:18]([C:25](O)=[O:26])=[C:17]2[CH3:28])[CH3:15])[CH2:10][CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].Cl.[NH2:30][CH2:31][C:32]1[C:33](=[O:41])[NH:34][C:35]([CH3:40])=[CH:36][C:37]=1[O:38][CH3:39].CN(C=O)C.CCN(C(C)C)C(C)C.CCOC(C(C#N)=NOC(N1CCOCC1)=[N+](C)C)=O.F[P-](F)(F)(F)(F)F>O>[CH3:39][O:38][C:37]1[CH:36]=[C:35]([CH3:40])[NH:34][C:33](=[O:41])[C:32]=1[CH2:31][NH:30][C:25]([C:18]1[C:19]2[C:24](=[CH:23][CH:22]=[CH:21][CH:20]=2)[N:16]([CH:14]([CH:11]2[CH2:10][CH2:9][N:8]([C:6]([O:5][C:1]([CH3:2])([CH3:4])[CH3:3])=[O:7])[CH2:13][CH2:12]2)[CH3:15])[C:17]=1[CH3:28])=[O:26]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 5

HCID 6228DimethylformamideHCID 81531DiisopropylethylamineHCID 75951468(1-Cyano-2-ethoxy-2-oxoethylidenaminooxy)dimethylamino-morpholino-carbenium hexafluorophosphateHCID 89740341HCID 89740341, compoundHCID 1177807191H-Indole-3-carboxylic acid, 1-[1-[1-[(1,1-dimethylethoxy)carbonyl]-4-piperidinyl]ethyl]-2-methyl-

Product 1

HCID 117807734
tert-Butyl 4-(1-(3-(((4-methoxy-6-methyl-2-oxo-1,2-dihydropyridin-3-yl)methyl)carbamoyl)-2-methyl-1H-indol-1-yl)ethyl)piperidine-1-carboxylate
Yield 65.3%

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

Conditions

Temperature
0 °C

Procedure

A 250 mL round bottom flask was charged with a magnetic stir bar, (R or S)-1-(1-(1-(tert-butoxycarbonyl)piperidin-4-yl)ethyl)-2-methyl-1H-indole-3-carboxylic acid (1.950 g, 5.05 mmol), 3-(aminomethyl)-4-methoxy-6-methylpyridin-2(1H)-one hydrochloride (2.065 g, 10.09 mmol), DMF (25.2 ml, 5.05 mmol). Hunig's base (3.52 ml, 20.18 mmol). The reaction mixture was cooled to 0° C. and COMU (2.16 g, 5.05 mmol) was added. The reaction was allowed to stir overnight to room temperature. The reaction mixture was diluted with water and extracted with EtOAc. The combined organic extract was washed with brine, dried with MgSO4, filtered and conc. in vacuo to afford the crude material which was purified via silica gel chromatography (120 g) using MeOH/ethyl acetate (1:5) as eluent to afford the title compound (1.86 g, 3.29 mmol, 65.3% yield). LCMS 537 (M+1)+ 1H NMR (400 MHz, DMSO-d6) δ=11.83-11.71 (m, 1 H), 7.80 (br. s., 1 H), 7.73 (d, J=7.6 Hz, 1 H), 7.62 (d, J=7.8 Hz, 1 H), 7.06 (td, J=7.1, 14.4 Hz, 2 H), 6.21 (s, 1 H), 4.32 (br. s., 2 H), 4.16 (br. s., 1 H), 4.02 (br. s., 1 H), 3.85 (s, 3 H), 3.75 (br. s., 1 H), 2.70 (br. s., 1 H), 2.58 (s, 3 H), 2.37 (br. s., 1 H), 2.21 (s, 3 H), 1.90 (d, J=12.9 Hz, 1 H), 1.53 (d, J=6.9 Hz, 3 H), 1.35 (s, 10H), 1.21 (br. s., 1 H), 0.89 (d, J=8.7 Hz, 1 H), 0.67 (d, J=11.8 Hz, 1 H).

Workup

  1. additionA 250 mL round bottom flask was charged with a magnetic stir bar
  2. extractionextracted with EtOAc
  3. extractionThe combined organic extract
  4. washwas washed with brine
  5. dry with materialdried with MgSO4
  6. filtrationfiltered and conc. in vacuo
  7. customto afford the crude material which
  8. customwas purified via silica gel chromatography (120 g)

Sources & evidence

ORD record
ord-ed373e1b5144460080d6c0c0ff4c6712
Source dataset
uspto-grants-2015_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09085583B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes