1-Hydroxybenzotriazole → HCID 86694059, compound

HRID 1053443Notes

Reaction equation

HRID 1053443 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.[CH3:21][N:22]([C:24](=[O:27])[CH2:25][CH3:26])[NH2:23].ON1C2C=CC=CC=2N=N1.Cl.C(N=C=NCCCN(C)C)C>C(Cl)Cl.CN(C)C1C=CN=CC=1>[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:23][N:22]([CH3:21])[C:24](=[O:27])[CH2:25][CH3:26])=[O:20])[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1

Participants

7

Reactant 4

HCID 757711-HydroxybenzotriazoleHCID 542680N-methylpropionohydrazideHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 57389355(2S,5R)-6-(Benzyloxy)-7-oxo-1,6-diazabicyclo[3.2.1]octane-2-carboxylic acid

Product 1

HCID 86694059HCID 86694059, compoundYield 59%

Reagents, catalysts & solvents 2

HCID 142844-(Dimethylamino)pyridineCatalystHCID 6344DichloromethaneSolvent

Procedure

To a solution of (2S,5R)-6-(benzyloxy)-7-oxo-1,6-diazabicyclo[3.2.1]octane-2-carboxylic acid 1 (0.25 g, 0.90 mmol) in dry DCM (30 mL) were added N-methylpropanehydrazide 225 (0.14 g, 1.35 mmol), 1-hydroxybenzotriazole (0.19 g, 1.35 mmol), 1-ethyl-(3-dimethylaminopropyl)carbodiimide hydrochloride (0.26 g, 1.35 mmol) and 4-(dimethylamino)pyridine (0.16 g, 1.35 mmol) at room temperature. The reaction mixture was stirred at room temperature overnight and concentrated under vacuum. The residue was purified by column chromatography to give (2R,5S)-6-(benzyloxy)-N′-methyl-7-oxo-N′-propanoyl-1,6-diazabicyclo[3.2.1]octane-2-carbohydrazide 226 (0.19 g, 59%) as a white solid.

Workup

  1. concentrationconcentrated under vacuum
  2. customThe residue was purified by column chromatography

Sources & evidence

ORD record
ord-f3eb2924699f4463b7cc57c42518113d
Source dataset
uspto-grants-2016_07
Patent number
US09393239B2

Reaction notes

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