Potassium Bromide → HCID 9981090, compound

HRID 2110089Notes

Reaction equation

[CH2:1]1[O:13][C:12]2[CH:11]=[C:10]3[C:5]([C:6]([N:14]([CH2:28][CH2:29][N:30]4[CH2:34][CH2:33][CH2:32][CH2:31]4)[C:15](=[O:27])[C:16]4[CH:21]=[C:20]([O:22][CH3:23])[C:19]([O:24][CH3:25])=[CH:18][C:17]=4I)=[CH:7][N:8]=[N:9]3)=[CH:4][C:3]=2[O:2]1.[K+].[Br-]>>[CH3:23][O:22][C:20]1[C:19]([O:24][CH3:25])=[CH:18][C:17]2[C:7]3[C:6](=[C:5]4[C:10](=[N:9][N:8]=3)[CH:11]=[C:12]3[O:13][CH2:1][O:2][C:3]3=[CH:4]4)[N:14]([CH2:28][CH2:29][N:30]3[CH2:34][CH2:33][CH2:32][CH2:31]3)[C:15](=[O:27])[C:16]=2[CH:21]=1

Participants

Reactant 2

HCID 253877Potassium Bromide

HCID 22139494HCID 22139494, compound

Product 1

HCID 9981090HCID 9981090, compoundYield 24%

Procedure

Prepared from N-(6,7-Methylenedioxycinnolin-4-yl)-N-[(2-pyrrolidin-1-yl)ethyl]-2-iodo-4,5-dimethoxybenzamide (150 mg, 0.2 mmol) in 24% yield with a reaction time 30 min; mp 229° C.; IR (KBr) 1644; 1H NMR (CDCl3) δ 1.83 (m, 4H), 2.71 (m, 4H), 3.23 (t, 2H, J=7), 4.06 (s, 3H), 4.61 (s, 3H), 4.63 (t, 2H, J=7), 6.23 (s, 2H), 7.74 (s, 1H), 7.80 (s, 1H); 13C NMR (CDCl3) δ 23.7, 54.0, 54.2, 56.3, 56.6, 99.4, 102.7, 104.2, 106.3, 107.7, 113.5, 119.4, 129.0, 134.1, 140.2, 150.2, 151.4, 154.3, 154.3, 163.0; HRMS calcd for C24H24N4O5H: 449.1825; found 449.1822.

Sources & evidence

ORD record: ord-7af2d7bd6e174938a874483ef7da420d
Source dataset: uspto-grants-2009_04
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US07517883B2

Reaction notes

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