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4-Methylmorpholine → rac-tert-Butyl 2-{[({8-[(2,6-difluorobenzyl)oxy]-2,6-dimethylimidazo[1,2-a]pyridin-3-yl}-carbonyl)amino]methyl}-3,4-dihydroquinoline-1(2H)-carboxylate

HRID 2275848
Notes
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Reaction equation

HRID 2275848 reaction equation
[F:1][C:2]1[CH:23]=[CH:22][CH:21]=[C:20]([F:24])[C:3]=1[CH2:4][O:5][C:6]1[C:7]2[N:8]([C:13]([C:17](O)=[O:18])=[C:14]([CH3:16])[N:15]=2)[CH:9]=[C:10]([CH3:12])[CH:11]=1.CN(C(ON1N=NC2C=CC=CC1=2)=[N+](C)C)C.[B-](F)(F)(F)F.CN1CCOCC1.Cl.[NH2:55][CH2:56][CH:57]1[CH2:66][CH2:65][C:64]2[C:59](=[CH:60][CH:61]=[CH:62][CH:63]=2)[N:58]1[C:67]([O:69][C:70]([CH3:73])([CH3:72])[CH3:71])=[O:68]>CN(C=O)C.O>[F:1][C:2]1[CH:23]=[CH:22][CH:21]=[C:20]([F:24])[C:3]=1[CH2:4][O:5][C:6]1[C:7]2[N:8]([C:13]([C:17]([NH:55][CH2:56][CH:57]3[CH2:66][CH2:65][C:64]4[C:59](=[CH:60][CH:61]=[CH:62][CH:63]=4)[N:58]3[C:67]([O:69][C:70]([CH3:73])([CH3:72])[CH3:71])=[O:68])=[O:18])=[C:14]([CH3:16])[N:15]=2)[CH:9]=[C:10]([CH3:12])[CH:11]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 79724-MethylmorpholineHCID 2733207O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 46738139Tert-butyl 2-(aminomethyl)-3,4-dihydroquinoline-1(2h)-carboxylate hydrochlorideHCID 867178848-[(2,6-Difluorobenzyl)oxy]-2,6-dimethylimidazo[1,2-a]pyridine-3-carboxylic acid

Product 1

HCID 90114877
rac-tert-Butyl 2-{[({8-[(2,6-difluorobenzyl)oxy]-2,6-dimethylimidazo[1,2-a]pyridin-3-yl}-carbonyl)amino]methyl}-3,4-dihydroquinoline-1(2H)-carboxylate

Reagents, catalysts & solvents 2

HCID 962WaterSolventHCID 6228DimethylformamideSolvent

Procedure

120 mg (0.36 mmol) of 8-[(2,6-difluorobenzyl)oxy]-2,6-dimethylimidazo[1,2-a]pyridine-3-carboxylic acid Example 21A, 139 mg (0.43 mmol) of TBTU and 0.20 ml (1.81 mmol) of 4-methylmorpholine in DMF (2.3 ml) were stirred at RT for 10 min, 119 mg (0.40 mmol) of rac-tert-butyl 2-(aminomethyl)-3,4-dihydroquinoline-1(2H)-carboxylate hydrochloride were added and the reaction mixture was stirred at RT overnight. Water was added, and the mixture was stirred at RT for 30 min. The solid formed was filtered off, washed with water and dried under high vacuum. This gave 182 mg (85% of theory, purity 98%) of the target compound.

Workup

  1. stirringthe mixture was stirred at RT for 30 min
  2. customThe solid formed
  3. filtrationwas filtered off
  4. washwashed with water
  5. customdried under high vacuum

Sources & evidence

ORD record
ord-c82f0a670f17475c9f7d76090155c418
Source dataset
uspto-grants-2015_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09126998B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes