N-Hydroxyphthalimide → HCID 86693986, compound

HRID 2400669Notes

Reaction equation

HRID 2400669 reaction equation
[OH:1][N:2]1[C:10](=[O:11])[C:9]2[C:4](=[CH:5][CH:6]=[CH:7][CH:8]=2)[C:3]1=[O:12].O[CH2:14][C:15]1[N:16]=[CH:17][N:18]([C:20]([O:22][C:23]([CH3:26])([CH3:25])[CH3:24])=[O:21])[CH:19]=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.CC(OC(/N=N/C(OC(C)C)=O)=O)C>C1COCC1>[O:12]=[C:3]1[C:4]2[C:9](=[CH:8][CH:7]=[CH:6][CH:5]=2)[C:10](=[O:11])[N:2]1[O:1][CH2:14][C:15]1[N:16]=[CH:17][N:18]([C:20]([O:22][C:23]([CH3:26])([CH3:25])[CH3:24])=[O:21])[CH:19]=1

Participants

6

Reactant 4

HCID 10665N-HydroxyphthalimideHCID 11776TriphenylphosphineHCID 5363146Diisopropyl azodicarboxylateHCID 11629781TERT-BUTYL 4-(HYDROXYMETHYL)-1H-IMIDAZOLE-1-CARBOXYLATE

Product 1

HCID 86693986HCID 86693986, compoundYield 61%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

To a mixture of 2-hydroxy-1H-isoindole-1,3(2H)-dione (2.70 g, 16.6 mmol), tert-butyl 4-(hydroxymethyl)-1H-imidazole-1-carboxylate 120 (Bull. Chem. Soc., Japan, 2002, Vol 75, No 11, 2517-2526, 1.64 g, 8.27 mmol) and triphenylphosphine (4.34 g. 16.6 mmol) in THF (100 mL) was added DIAD (3.52 mL, 18.2 mmol) slowly at room temperature. The resulting mixture was stirred at room temperature overnight and concentrated to provide a residue which was subjected to chromatography to give 121 (1.7 g, 61%) as a white foam.

Workup

  1. concentrationconcentrated
  2. customto provide a residue which

Sources & evidence

ORD record
ord-e27c2bf8fa284657a0aed0d1199f025f
Source dataset
uspto-grants-2014_08
Patent number
US08796257B2

Reaction notes

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