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Diisopropylethylamine → N2-{(4-bromophenyl)[4-(methylsulfonyl)phenyl]methyl}-N1-(cyanomethyl)-L-leucinamide

HRID 1009240
Notes
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Reaction equation

HRID 1009240 reaction equation
[Br:1][C:2]1[CH:7]=[CH:6][C:5]([CH:8]([C:18]2[CH:23]=[CH:22][C:21]([S:24]([CH3:27])(=[O:26])=[O:25])=[CH:20][CH:19]=2)[NH:9][C@H:10]([C:15]([OH:17])=O)[CH2:11][CH:12]([CH3:14])[CH3:13])=[CH:4][CH:3]=1.CN(C(O[N:36]1N=[N:43][C:38]2C=CC=N[C:37]1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.Cl.NCC#N.C(N(CC)C(C)C)(C)C>CN(C=O)C>[Br:1][C:2]1[CH:7]=[CH:6][C:5]([CH:8]([C:18]2[CH:19]=[CH:20][C:21]([S:24]([CH3:27])(=[O:26])=[O:25])=[CH:22][CH:23]=2)[NH:9][C@H:10]([C:15]([NH:43][CH2:38][C:37]#[N:36])=[O:17])[CH2:11][CH:12]([CH3:13])[CH3:14])=[CH:4][CH:3]=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 11491918Aminoacetonitrile hydrochlorideHCID 57446945N-{(4-bromophenyl)[4-(methylsulfonyl)phenyl]methyl}-L-leucine

Product 1

HCID 44403034
N2-{(4-bromophenyl)[4-(methylsulfonyl)phenyl]methyl}-N1-(cyanomethyl)-L-leucinamide

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

To a solution of N-{(4-bromophenyl)[4-(methylsulfonyl)phenyl]methyl}-L-leucine from step 3 (76 mg, 0.17 mmol), HATU (146 mg, 0.38 mmol), aminoacetonitrile hydrochloride (52 mg, 0.56 mmol) in DMF (1.1 mL) cooled to −10° C., was added N,N-diisopropylethylamine (0.13 mL, 0.75 mmol). The reaction was allowed to proceed at room temperature for 18 h and it was partitioned between EtOAc and water. The organic layer was dried over Na2SO4, filtered and concentrated in vacuo. The crude product was purified by chromatography using EtOAc and hexane as eluant to give the title compound as a colorless gum.

Workup

  1. customit was partitioned between EtOAc and water
  2. dry with materialThe organic layer was dried over Na2SO4
  3. filtrationfiltered
  4. concentrationconcentrated in vacuo
  5. customThe crude product was purified by chromatography

Sources & evidence

ORD record
ord-1fd7ecd988e54914a88b91709afadeba
Source dataset
uspto-grants-2011_07
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07973037B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes