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1,3-Dibromopropane → 2-(3-Bromopropoxy)-1H-isoindole-1,3(2H)-dione

HRID 411855
Notes
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Reaction equation

HRID 411855 reaction equation
[OH:1][N:2]1[C:6](=[O:7])[C:5]2=[CH:8][CH:9]=[CH:10][CH:11]=[C:4]2[C:3]1=[O:12].[Br:13][CH2:14][CH2:15][CH2:16]Br.C(N(CC)CC)C>CN(C=O)C>[C:3]1(=[O:12])[N:2]([O:1][CH2:16][CH2:15][CH2:14][Br:13])[C:6](=[O:7])[C:5]2=[CH:8][CH:9]=[CH:10][CH:11]=[C:4]12
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 80011,3-DibromopropaneHCID 8471TriethylamineHCID 10665N-Hydroxyphthalimide

Product 1

HCID 2655692-(3-Bromopropoxy)-1H-isoindole-1,3(2H)-dione

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Conditions

Temperature
47.5 °C
On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Procedure

A mixture of N-hydroxyphthalimide (16.3 g, 100 mmol) and 1,3-dibromopropane (20.19 g, 100 mmol) in dry DMF (150 mL) and triethyl amine (15.33 mL, 110 mmol) is stirred at 20 to 75° C. for 1 to 10 hours. After filtration, the mixture is evaporated to dryness in vacuo. The residue is purified by silica gel flash column chromatography to give the title compound.

Workup

  1. filtrationAfter filtration
  2. customthe mixture is evaporated to dryness in vacuo
  3. customThe residue is purified by silica gel flash column chromatography

Sources & evidence

ORD record
ord-d503c8c9e61a4521816b6e4bafdcf549
Source dataset
uspto-grants-2003_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06559303B1

Reaction notes

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