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1-Hydroxybenzotriazole → tert-butyl (3S,5R)-3-[({2-tert-butyl-4-[(3-methoxypropyl)amino]pyrimidin-5-yl}carbonyl)(2-methylpropyl)amino]-5-{[(2R)-2-(methoxymethyl)pyrrolidin-1-yl]carbonyl}piperidine-1-carboxylate

HRID 2192847
Notes
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Reaction equation

HRID 2192847 reaction equation
[C:1]([O:5][C:6]([N:8]1[CH2:13][C@@H:12]([N:14]([C:19]([C:21]2[C:22]([NH:31][CH2:32][CH2:33][CH2:34][O:35][CH3:36])=[N:23][C:24]([C:27]([CH3:30])([CH3:29])[CH3:28])=[N:25][CH:26]=2)=[O:20])[CH2:15][CH:16]([CH3:18])[CH3:17])[CH2:11][C@@H:10]([C:37]([OH:39])=O)[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[CH3:40][O:41][CH2:42][C@H:43]1[CH2:47][CH2:46][CH2:45][NH:44]1.C1C=CC2N(O)N=NC=2C=1.CCN=C=NCCCN(C)C.Cl>CN(C=O)C.C(N(CC)CC)C>[C:27]([C:24]1[N:23]=[C:22]([NH:31][CH2:32][CH2:33][CH2:34][O:35][CH3:36])[C:21]([C:19]([N:14]([CH2:15][CH:16]([CH3:17])[CH3:18])[C@H:12]2[CH2:11][C@@H:10]([C:37]([N:44]3[CH2:45][CH2:46][CH2:47][C@@H:43]3[CH2:42][O:41][CH3:40])=[O:39])[CH2:9][N:8]([C:6]([O:5][C:1]([CH3:4])([CH3:2])[CH3:3])=[O:7])[CH2:13]2)=[O:20])=[CH:26][N:25]=1)([CH3:29])([CH3:28])[CH3:30]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 757711-HydroxybenzotriazoleHCID 671216(2R)-2-(Methoxymethyl)pyrrolidineHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 59625174(3R*,5S*)-1-(tert-butoxycarbonyl)-5-[({2-tert-butyl-4-[(3-methoxypropyl)amino]pyrimidin-5-yl}carbonyl)(2-methylpropyl)amino]piperidine-3-carboxylic acid

Product 1

HCID 59625617
tert-butyl (3S,5R)-3-[({2-tert-butyl-4-[(3-methoxypropyl)amino]pyrimidin-5-yl}carbonyl)(2-methylpropyl)amino]-5-{[(2R)-2-(methoxymethyl)pyrrolidin-1-yl]carbonyl}piperidine-1-carboxylate
Yield 75.8%

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideSolventHCID 8471TriethylamineSolvent

Procedure

(3R,5S)-1-(tert-Butoxycarbonyl)-5-[({2-tert-butyl-4-[(3-methoxypropyl)amino]pyrimidin-5-yl}carbonyl)(isobutyl)amino]piperidine-3-carboxylic acid (102 mg), (2R)-2-(methoxymethyl)pyrrolidine (64 mg), HOBt (20 mg) and triethylamine (104 μl) were dissolved in DMF (5 ml), WSC.HCl (107 mg) was added, and the mixture was stirred at room temperature for 18 hr. The reaction mixture was concentrated under reduced pressure, and diluted with saturated aqueous sodium hydrogen carbonate, and the mixture was extracted with ethyl acetate. The extract was washed with saturated brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure. The residue was subjected to silica gel column chromatography, and the fraction eluted with ethyl acetate-hexane (0:1-1:0) was concentrated under reduced pressure to give the object compound (91 mg).

Workup

  1. concentrationThe reaction mixture was concentrated under reduced pressure
  2. additiondiluted with saturated aqueous sodium hydrogen carbonate
  3. extractionthe mixture was extracted with ethyl acetate
  4. washThe extract was washed with saturated brine
  5. dry with materialdried over anhydrous magnesium sulfate
  6. customThe solvent was evaporated under reduced pressure
  7. washthe fraction eluted with ethyl acetate-hexane (0:1-1:0)
  8. concentrationwas concentrated under reduced pressure

Sources & evidence

ORD record
ord-39b9498249e84fbbb5593dfcaeac3455
Source dataset
uspto-grants-2012_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08329691B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes