N-Hydroxyphthalimide → HCID 86694001, compound

HRID 2400678Notes

Reaction equation

HRID 2400678 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[C:14]1[C:22]2[CH2:21][CH2:20][N:19]([C:23]([O:25][C:26]([CH3:29])([CH3:28])[CH3:27])=[O:24])[CH2:18][C:17]=2[N:16]([CH3:30])[N:15]=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][CH:21]1[CH2:20][N:19]([C:23]([O:25][C:26]([CH3:27])([CH3:28])[CH3:29])=[O:24])[CH2:18][C:17]2[N:16]([CH3:30])[N:15]=[CH:14][C:22]1=2

Participants

6

Reactant 4

HCID 10665N-HydroxyphthalimideHCID 11776TriphenylphosphineHCID 5363146Diisopropyl azodicarboxylateHCID 178481938HCID 178481938, compound

Product 1

HCID 86694001HCID 86694001, compoundYield 69.4%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

To a mixture of 2-hydroxy-1H-isoindole-1,3(2H)-dione (2.95 g, 18.1 mmol), tert-butyl hydroxy-1-methyl-1,4,5,7-tetrahydro-6H-pyrazolo[3,4-c]pyridine-6-carboxylate 135 (US2005/245505 A1, 2.29 g, 9.04 mmol) and triphenylphosphine (4.74 g, 18.1 mmol) in THF (100 mL) was added DIAD (3.85 mL, 19.9 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 136 (2.5 g, 35%) as a yellow solid.

Workup

  1. concentrationconcentrated
  2. customto provide a residue which

Sources & evidence

ORD record
ord-6457e6c9053b498ab138c9d2cf34f61c
Source dataset
uspto-grants-2014_08
Patent number
US08796257B2

Reaction notes

Loading…