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1-Hydroxybenzotriazole → HCID 86693990, compound

HRID 2400673
Notes
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Reaction equation

HRID 2400673 reaction equation
[CH2:1]([O:8][N:9]1[C:15](=[O:16])[N:14]2[CH2:17][C@H:10]1[CH2:11][CH2:12][C@H:13]2[C:18]([OH:20])=O)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[NH2:21][O:22][CH2:23][CH2:24][C:25]1[CH:30]=[CH:29][CH:28]=[CH:27][N:26]=1.ON1C2C=CC=CC=2N=N1.Cl.C(N=C=NCCCN(C)C)C>C(Cl)Cl>[CH2:1]([O:8][N:9]1[C:15](=[O:16])[N:14]2[CH2:17][C@H:10]1[CH2:11][CH2:12][C@H:13]2[C:18]([NH:21][O:22][CH2:23][CH2:24][C:25]1[CH:30]=[CH:29][CH:28]=[CH:27][N:26]=1)=[O:20])[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 757711-HydroxybenzotriazoleHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 118154212-[2-(Aminooxy)ethyl]pyridineHCID 57389355(2S,5R)-6-(Benzyloxy)-7-oxo-1,6-diazabicyclo[3.2.1]octane-2-carboxylic acid

Product 1

HCID 86693990HCID 86693990, compoundYield 91.1%

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

To a solution of (2S,5R)-6-(benzyloxy)-7-oxo-1,6-diazabicyclo[3.2.1]octane-2-carboxylic acid 1 (0.20 g, 0.72 mmol) in dry DCM (20 mL) were added 2-[2-(aminooxy)ethyl]pyridine 125 (0.12 g, 0.86 mmol, J. Med. Chem. 1997, 40(15), 2363-2373). 1-hydroxybenzotriazole (0.14 g, 1.10 mmol) and 1-ethyl-(3-dimethylaminopropyl)carbodiimide hydrochloride (0.20 g, 1.10 mmol) at room temperature. The reaction mixture was stirred at room temperature overnight, and then concentrated under vacuum. The residue was purified by column chromatography to give (2S,5R)-6-(benzyloxy)-7-oxo-N-[2-(pyridin-2-yl)ethoxy]-1,6-diazabicyclo[3.2.1]octane-2-carboxamide 126 (0.26 g, 91%) as a clear thick oil.

Workup

  1. customat room temperature
  2. concentrationconcentrated under vacuum
  3. customThe residue was purified by column chromatography

Sources & evidence

ORD record
ord-054c475d0de64cc3a030aa1b95f3451b
Source dataset
uspto-grants-2014_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08796257B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes