Isobutylene oxide → HCID 60172732, compound

HRID 2277407Notes

Reaction equation

[OH:1][C:2]1[CH:11]=[C:10]2[C:5]([C:6]([O:12][C:13]3[CH:18]=[CH:17][C:16]([NH:19][C:20]([C:22]4[C:23](=[O:35])[N:24]([C:29]5[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=5)[N:25]([CH3:28])[C:26]=4[CH3:27])=[O:21])=[CH:15][CH:14]=3)=[CH:7][CH:8]=[N:9]2)=[CH:4][C:3]=1[O:36][CH3:37].[CH3:38][C:39]1([O:42][CH2:41]1)[CH3:40].C([O-])([O-])=O.[K+].[K+]>CN(C=O)C.O>[OH:42][C:39]([CH3:41])([CH3:40])[CH2:38][O:1][C:2]1[CH:11]=[C:10]2[C:5]([C:6]([O:12][C:13]3[CH:14]=[CH:15][C:16]([NH:19][C:20]([C:22]4[C:23](=[O:35])[N:24]([C:29]5[CH:30]=[CH:31][CH:32]=[CH:33][CH:34]=5)[N:25]([CH3:28])[C:26]=4[CH3:27])=[O:21])=[CH:17][CH:18]=3)=[CH:7][CH:8]=[N:9]2)=[CH:4][C:3]=1[O:36][CH3:37]

Participants

Conditions

Temperature: 60 °C

Procedure

To a solution of N-(4-((7-hydroxy-6-methoxyquinolin-4-yl)oxy)phenyl)-1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazole-4-carboxamide (4.93 g, 9.93 mmol) and isobutylene oxide (8.8 mL, 100 mmol) in DMF/H2O (21 mL/4 mL) was added K2CO3 (2.74 g, 2 mmol). The reaction mixture was stirred at 60° C. for 12 hours, then cooled to room temperature and treated with aqueous NaH2PO4 (saturated solution, 10 mL) to adjust the pH of the mixture to 7˜8. The solid was collected by filtration and washed with EtOAc/EtOH (80 mL/15 mL). The title compound was obtained as a pale yellow solid (1.93 g, 34.3%).

Workup

temperaturecooled to room temperature
filtrationThe solid was collected by filtration
washwashed with EtOAc/EtOH (80 mL/15 mL)

Sources & evidence

ORD record: ord-6c466879854248d5aab2017d153a8632
Source dataset: uspto-grants-2015_09
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US09133162B2

Reaction notes

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