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Diisopropylethylamine → (+/-)-2-(2-Oxo-3-pyridin-2-yl-2,3-dihydro-1H-benzimidazol-1-yl)-N-(2'-oxo-1',2',5,7-tetrahydrospiro[cyclopenta[b]pyridine-6,3'-pyrrolo[2,3-b]pyridin]-2-yl)acetamide

HRID 1921229
Notes
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Reaction equation

HRID 1921229 reaction equation
[O:1]=[C:2]1[N:6]([CH2:7][C:8]([OH:10])=O)[C:5]2[CH:11]=[CH:12][CH:13]=[CH:14][C:4]=2[N:3]1[C:15]1[CH:20]=[CH:19][CH:18]=[CH:17][N:16]=1.[NH2:21][C:22]1[N:27]=[C:26]2[CH2:28][C:29]3([CH2:39][C:25]2=[CH:24][CH:23]=1)[C:37]1[C:32](=[N:33][CH:34]=[CH:35][CH:36]=1)[NH:31][C:30]3=[O:38].C1CN(C(Cl)=[N+]2CCCC2)CC1.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C>C1COCC1>[O:1]=[C:2]1[N:6]([CH2:7][C:8]([NH:21][C:22]2[N:27]=[C:26]3[CH2:28][C:29]4([CH2:39][C:25]3=[CH:24][CH:23]=2)[C:37]2[C:32](=[N:33][CH:34]=[CH:35][CH:36]=2)[NH:31][C:30]4=[O:38])=[O:10])[C:5]2[CH:11]=[CH:12][CH:13]=[CH:14][C:4]=2[N:3]1[C:15]1[CH:20]=[CH:19][CH:18]=[CH:17][N:16]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 81531DiisopropylethylamineHCID 27366521-(Chloro-1-pyrrolidinylmethylene)pyrrolidinium HexafluorophosphateHCID 18449368(2-Oxo-3-pyridin-2-yl-2,3-dihydro-1H-benzimidazol-1-yl)acetic acid2×HCID 57974056(+/-)-2-Amino-5,7-dihydrospiro[cyclopenta[b]pyridine-6,3'-pyrrolo[2,3-b]pyridin]-2'(1'H)-one

Product 1

HCID 25143873
(+/-)-2-(2-Oxo-3-pyridin-2-yl-2,3-dihydro-1H-benzimidazol-1-yl)-N-(2'-oxo-1',2',5,7-tetrahydrospiro[cyclopenta[b]pyridine-6,3'-pyrrolo[2,3-b]pyridin]-2-yl)acetamide

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

A mixture of (2-oxo-3-pyridin-2-yl-2,3-dihydro-1H-benzimidazol-1-yl)acetic acid (16 mg, 0.060 mmol, described in Intermediate 7), (±)-2-amino-5,7-dihydrospiro[cyclopenta[b]pyridine-6,3′-pyrrolo[2,3-b]pyridin]-2′(1W)-one (15 mg, 0.060 mmol, described in Intermediate 5), PyClu (26 mg, 0.072 mmol), and DIEA (0.053 mL, 0.30 mmol) in THF (1 mL) was stirred at ambient temperature for 18 h. The reaction mixture was purified directly by HPLC using a reversed phase C18 column and eluting with a gradient of H2O:CH3CN:CF3CO2H—90:10:0.1 to 5:95:0.1. Lyophilization provided the title compound. MS: m/z=504 (M+1). HRMS: m/z=504.1796; calculated m/z=504.1779 for C28H22N7O3.

Workup

  1. customThe reaction mixture was purified directly by HPLC
  2. washeluting with a gradient of H2O

Sources & evidence

ORD record
ord-220097cf23f04e578c26a45773a34ab1
Source dataset
uspto-grants-2012_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08173655B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes