Pyrrolidine → (2R)-7-(2-hydroxy-3-(pyrrolidin-1-yl)propoxy)-4-(indol-5-yloxy)-6-methoxyquinazoline

HRID 454289Notes

Reaction equation

[NH:1]1[C:9]2[C:4](=[CH:5][C:6]([O:10][C:11]3[C:20]4[C:15](=[CH:16][C:17]([O:23][CH2:24][C@H:25]5[CH2:27][O:26]5)=[C:18]([O:21][CH3:22])[CH:19]=4)[N:14]=[CH:13][N:12]=3)=[CH:7][CH:8]=2)[CH:3]=[CH:2]1.[NH:28]1[CH2:32][CH2:31][CH2:30][CH2:29]1>CN(C=O)C>[OH:26][C@H:25]([CH2:27][N:28]1[CH2:32][CH2:31][CH2:30][CH2:29]1)[CH2:24][O:23][C:17]1[CH:16]=[C:15]2[C:20]([C:11]([O:10][C:6]3[CH:5]=[C:4]4[C:9](=[CH:8][CH:7]=3)[NH:1][CH:2]=[CH:3]4)=[N:12][CH:13]=[N:14]2)=[CH:19][C:18]=1[O:21][CH3:22]

Participants

Conditions

Temperature: 75 °C

Procedure

A mixture of (2R)-4-(indol-5-yloxy)-6-methoxy-7-(oxiran-2-ylmethoxy)quinazoline (300 mg, 0.83 mmol), and pyrrolidine (176 mg, 2.48 mmol) in DMF (5 ml) was stirred at 75° C. for 3 hours under an atmosphere of nitrogen and allowed to cool to ambient temperature. The solvents were removed in vacuo and the residue purified on silica gel, gradient elution with dichloromethane, dichloromethane/methanol (95/5), dichloromethane/methanolic ammonia (7M) (98/2 to 90/10), to give (2R)-7-(2-hydroxy-3-(pyrrolidin-1-yl)propoxy)-4-(indol-5-yloxy)-6-methoxyquinazoline (326 mg, 87%).

Workup

temperatureto cool to ambient temperature
customThe solvents were removed in vacuo
customthe residue purified on silica gel, gradient elution with dichloromethane, dichloromethane/methanol (95/5), dichloromethane/methanolic ammonia (7M) (98/2 to 90/10)

Sources & evidence

ORD record: ord-bbc7c354450840f7a67bb46d7fb7725d
Source dataset: uspto-grants-2013_07
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08492560B2

Reaction notes

Loading…