Phosphorus tribromide → HCID 58042870, compound

HRID 564074Notes

Reaction equation

HRID 564074 reaction equation
[CH2:1]([O:8][C:9]1[CH:14]=C[N:12]([CH2:15][C:16]([C:18]2[CH:23]=[CH:22][C:21]([CH2:24][Br:25])=[CH:20][CH:19]=2)=[O:17])[C:11](=[O:26])[CH:10]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.C(OC1C=N[N:38](CC(C2C=CC(CO)=CC=2)=O)C(=O)C=1)C1C=CC=CC=1.P(Br)(Br)Br>>[CH2:1]([O:8][C:9]1[CH:14]=[N:38][N:12]([CH2:15][C:16]([C:18]2[CH:23]=[CH:22][C:21]([CH2:24][Br:25])=[CH:20][CH:19]=2)=[O:17])[C:11](=[O:26])[CH:10]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1

Participants

4

Reactant 3

HCID 24614Phosphorus tribromideHCID 580428824-Benzyloxy-1-[2-(4-bromomethyl-phenyl)-2-oxo-ethyl]-1H-pyridin-2-oneHCID 670065375-Benzyloxy-2-[2-(4-hydroxymethyl-phenyl)-2-oxo-ethyl]-2H-pyridazin-3-one

Product 1

HCID 58042870HCID 58042870, compound

Procedure

5-Benzyloxy-2-[2-(4-bromomethyl-phenyl)-2-oxo-ethyl]-2H-pyridazin-3-one is prepared following preparation 15c from 9.40 g (26.8 mmol) 5-benzyloxy-2-[2-(4-hydroxymethyl-phenyl)-2-oxo-ethyl]-2H-pyridazin-3-one (preparation 17a) and 2.52 mL (26.8 mmol) phosphorus tribromide.

Sources & evidence

ORD record
ord-33c886923d404293a6462514047a45cd
Source dataset
uspto-grants-2011_11
Patent number
US08067590B2

Reaction notes

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