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Diisopropylethylamine → Benzyl (7-bromo-2-{[(4-{(3S,5R)-3-[(tert-butoxycarbonyl)amino]-5-methylpiperidin-1-yl}pyridin-3-yl)amino]carbonyl}quinolin-3-yl)carbamate

HRID 924468
Notes
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Reaction equation

HRID 924468 reaction equation
[CH2:1]([O:8][C:9]([NH:11][C:12]1[C:13]([C:23](O)=[O:24])=[N:14][C:15]2[C:20]([CH:21]=1)=[CH:19][CH:18]=[C:17]([Br:22])[CH:16]=2)=[O:10])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[NH2:26][C:27]1[CH:28]=[N:29][CH:30]=[CH:31][C:32]=1[N:33]1[CH2:38][C@H:37]([CH3:39])[CH2:36][C@H:35]([NH:40][C:41](=[O:47])[O:42][C:43]([CH3:46])([CH3:45])[CH3:44])[CH2:34]1.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C>CN(C=O)C>[Br:22][C:17]1[CH:16]=[C:15]2[C:20]([CH:21]=[C:12]([NH:11][C:9](=[O:10])[O:8][CH2:1][C:2]3[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=3)[C:13]([C:23]([NH:26][C:27]3[CH:28]=[N:29][CH:30]=[CH:31][C:32]=3[N:33]3[CH2:38][C@H:37]([CH3:39])[CH2:36][C@H:35]([NH:40][C:41]([O:42][C:43]([CH3:46])([CH3:45])[CH3:44])=[O:47])[CH2:34]3)=[O:24])=[N:14]2)=[CH:19][CH:18]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 58386794HCID 58386794, compoundHCID 867268583-{[(Benzyloxy)carbonyl]amino}-7-bromoquinoline-2-carboxylic acid

Product 1

HCID 86726913
Benzyl (7-bromo-2-{[(4-{(3S,5R)-3-[(tert-butoxycarbonyl)amino]-5-methylpiperidin-1-yl}pyridin-3-yl)amino]carbonyl}quinolin-3-yl)carbamate
Yield 52.6%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

A mixture of 3-{[(benzyloxy)carbonyl]amino}-7-bromoquinoline-2-carboxylic acid (0.50 g, 1.2 mmol), tert-butyl [(3S,5R)-1-(3-aminopyridin-4-yl)-5-methylpiperidin-3-yl]carbamate (0.38 g, 1.2 mmol), HATU (1.2 g, 3.1 mmol) in DMF (4.9 mL) and DIPEA (0.65 mL, 3.7 mmol) was stirred at room temperature for 2 h, then quenched with 50 mL of EtOAc and 30 mL of 1 M NaOH. The layers were separated and the aqueous phase was extracted with EtOAc. The combined organic extracts were concentrated under reduced pressure. The residue was purified by flash chromatography on 40 g silica gel column, eluting with 0-100% EtOAc in hexanes, to give the sub-title compound (0.435 g, 51%). LCMS calc. for C34H38BrN6O5[M+H]+: m/z=689.2. found: 689.3.

Workup

  1. customquenched with 50 mL of EtOAc and 30 mL of 1 M NaOH
  2. customThe layers were separated
  3. extractionthe aqueous phase was extracted with EtOAc
  4. concentrationThe combined organic extracts were concentrated under reduced pressure
  5. customThe residue was purified by flash chromatography on 40 g silica gel column
  6. washeluting with 0-100% EtOAc in hexanes

Sources & evidence

ORD record
ord-79875e3f749746f6974e27319fb0ed4c
Source dataset
uspto-grants-2016_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09278950B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes