1,8-Diazabicyclo(5.4.0)undec-7-ene → 7-(5-Acetamidomethyl-2-isoindolinyl)-1-cyclopropyl-6,8-difluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid

HRID 1494811Notes

Reaction equation

HRID 1494811 reaction equation
[CH:1]1([N:4]2[C:13]3[C:8](=[CH:9][C:10]([F:16])=[C:11](F)[C:12]=3[F:14])[C:7](=[O:17])[C:6]([C:18]([OH:20])=[O:19])=[CH:5]2)[CH2:3][CH2:2]1.Br.[C:22]([NH:25][CH2:26][C:27]1[CH:28]=[C:29]2[C:33](=[CH:34][CH:35]=1)[CH2:32][NH:31][CH2:30]2)(=[O:24])[CH3:23].C1CCN2C(=NCCC2)CC1>CN(C=O)C>[C:22]([NH:25][CH2:26][C:27]1[CH:28]=[C:29]2[C:33](=[CH:34][CH:35]=1)[CH2:32][N:31]([C:11]1[C:12]([F:14])=[C:13]3[C:8]([C:7](=[O:17])[C:6]([C:18]([OH:20])=[O:19])=[CH:5][N:4]3[CH:1]3[CH2:2][CH2:3]3)=[CH:9][C:10]=1[F:16])[CH2:30]2)(=[O:24])[CH3:23]

Participants

5

Reactant 3

HCID 811841,8-Diazabicyclo(5.4.0)undec-7-eneHCID 5354141-Cyclopropyl-6,7,8-trifluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acidHCID 198285135-Acetamidomethylisoindoline hydrobromide

Product 1

HCID 571518757-(5-Acetamidomethyl-2-isoindolinyl)-1-cyclopropyl-6,8-difluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acidYield 34%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

283 mg of 1-cyclopropyl-6,7,8-trifluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid, 325 mg of 5-acetamidomethylisoindoline hydrobromide, 536 mg of DBU, and 2 ml of anhydrous DMF were processed in the same manner as in Example 20 to produce 154 mg of 7-(5-acetamidomethyl-2-isoindolinyl)-1-cyclopropyl-6,8-difluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid. 1H-NMR (CDCl3) δ: 8.74 (1H, s, C2 --H), 7.89 (1H, d, J=14Hz, C5 --H), 7.26-7.30 (3H, brs, ARM-H), 5.15 (4H, brs, 2 x --CH2N--), 4.47 (2H, d, J=6Hz, CH2NH2), 4.00 (1H, m, ##STR310## 2.06 (3H, s, --COCH3), 1.17-1.31 (4H, m, ##STR311##

Sources & evidence

ORD record
ord-99ce4f7888c94f15ac54f56feb3fbf5c
Source dataset
uspto-grants-1991_06
Patent number
US05026856

Reaction notes

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