3-Fluorobenzyl bromide → 6-Fluoro-1-(3-fluorobenzyl)-4-[4-(furan-2-carbonyl)-piperazin-1-yl]-2-oxo-1,2-dihydro-[1,8]-naphthyridine-3-carboxylic Acid Ethyl Ester

HRID 901265Notes

Reaction equation

HRID 901265 reaction equation
[CH2:1]([O:3][C:4]([C:6]1[C:7](=[O:30])[NH:8][C:9]2[C:14]([C:15]=1[N:16]1[CH2:21][CH2:20][N:19]([C:22]([C:24]3[O:25][CH:26]=[CH:27][CH:28]=3)=[O:23])[CH2:18][CH2:17]1)=[CH:13][C:12]([F:29])=[CH:11][N:10]=2)=[O:5])[CH3:2].[F:31][C:32]1[CH:33]=[C:34]([CH:37]=[CH:38][CH:39]=1)[CH2:35]Br>>[CH2:1]([O:3][C:4]([C:6]1[C:7](=[O:30])[N:8]([CH2:35][C:34]2[CH:37]=[CH:38][CH:39]=[C:32]([F:31])[CH:33]=2)[C:9]2[C:14]([C:15]=1[N:16]1[CH2:21][CH2:20][N:19]([C:22]([C:24]3[O:25][CH:26]=[CH:27][CH:28]=3)=[O:23])[CH2:18][CH2:17]1)=[CH:13][C:12]([F:29])=[CH:11][N:10]=2)=[O:5])[CH3:2]

Participants

3

Reactant 2

HCID 680073-Fluorobenzyl bromideHCID 692183636-Fluoro-4-[4-(furan-2-carbonyl)-piperazin-1-yl]-2-oxo-1,2-dihydro-[1,8]-naphthyridine-3-carboxylic Acid Ethyl Ester

Product 1

HCID 692166176-Fluoro-1-(3-fluorobenzyl)-4-[4-(furan-2-carbonyl)-piperazin-1-yl]-2-oxo-1,2-dihydro-[1,8]-naphthyridine-3-carboxylic Acid Ethyl Ester

Procedure

This compound was prepared from 6-fluoro-4-[4-(furan-2-carbonyl)-piperazin-1-yl]-2-oxo-1,2-dihydro-[1,8]-naphthyridine-3-carboxylic acid ethyl ester (81) and 3-fluorobenzyl bromide according to General Procedure B. Yield 421 mg (49%), MP 121° C.; 1H-NMR (DMSO-d6): δ 1.27 (t, J=7.2 Hz, 3H), 3.15 (m, 4H), 3.92 (m, 4H), 4.29 (q, J=7.2 Hz, 2H), 5.53 (s, 2H), 6.65 (dd, J=1.6, 3.2, Hz, 1H), 7.05 (m, 4H), 7.33 (m, 1H), 7.87 (d, J=1.6 Hz, 1H), 8.18 (dd, J=2.8, 8.8 Hz, 1H), 8.73 (d, J=2.8 Hz, 1H); EIMS: 523 (M+1). Anal. (C27H24F2N4O5) C, H, N.

Sources & evidence

ORD record
ord-a15072247b0444fbbaaa57fd3d15370c
Source dataset
uspto-grants-2008_04
Patent number
US07361760B2

Reaction notes

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