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Acetonitrile → (2-Oxo-3-(2-(5,6,7,8-tetrahydro[1,8]-naphthyridin-2-yl)ethyl)pyrrolidin-1-yl)acetyl-3(S)-pyridin-3-yl-beta-alanine ethyl ester

HRID 322504
Notes
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Reaction equation

HRID 322504 reaction equation
Cl.[O:2]=[C:3]1[CH:7]([CH2:8][CH2:9][C:10]2[CH:19]=[CH:18][C:17]3[CH2:16][CH2:15][CH2:14][NH:13][C:12]=3[N:11]=2)[CH2:6][CH2:5][N:4]1[CH2:20][C:21]([OH:23])=O.CN1CCOCC1.[CH3:31][C:32]#[N:33].F[P-](F)(F)(F)(F)F.[N:41]1(O[P+](N(C)C)(N(C)C)N(C)C)[C:45]2[CH:46]=[CH:47][CH:48]=[CH:49]C=2N=N1.[CH3:61][CH2:62][O:63][C:64](C)=[O:65]>>[CH2:62]([O:63][C:64](=[O:65])[CH2:31][C@@H:32]([C:48]1[CH:49]=[N:41][CH:45]=[CH:46][CH:47]=1)[NH:33][C:21](=[O:23])[CH2:20][N:4]1[CH2:5][CH2:6][CH:7]([CH2:8][CH2:9][C:10]2[CH:19]=[CH:18][C:17]3[CH2:16][CH2:15][CH2:14][NH:13][C:12]=3[N:11]=2)[C:3]1=[O:2])[CH3:61]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 5

HCID 6342AcetonitrileHCID 79724-MethylmorpholineHCID 8857Ethyl AcetateHCID 151348Benzotriazol-1-yloxy-tris(dimethylamino)phosphonium hexafluorophosphateHCID 70226426(2-Oxo-3-(2-(5,6,7,8-tetrahydro[1,8]-naphthyridin-2-yl)ethyl)pyrrolidin-1-yl)acetic acid hydrochloride

Product 1

HCID 86754780
(2-Oxo-3-(2-(5,6,7,8-tetrahydro[1,8]-naphthyridin-2-yl)ethyl)pyrrolidin-1-yl)acetyl-3(S)-pyridin-3-yl-beta-alanine ethyl ester

Procedure

To a stirred solution of 2-8 (50 mg, 0.15 mmol), 2-10 (44 mg, 0.17 mmol) (Rico et al., J. Org. Chem., 1993, 58, 7948), NMM (83 μL, 0.75 mmol), and CH3CN (1 mL) was added BOP (74 mg, 0.17 mmol). After 20 h, the reaction mixture was diluted with EtOAc and then washed with sat. NaHCO3, H2O and brine, dried (MgSO4), and concentrated to give 2-12 as a brown oil.

Workup

  1. washwashed with sat. NaHCO3, H2O and brine
  2. dry with materialdried (MgSO4)
  3. concentrationconcentrated

Sources & evidence

ORD record
ord-b1ebf2131d904b4186a3cc1b1371f486
Source dataset
uspto-grants-2001_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06211184B1

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes