O-Phenylenediamine → HCID 54379842, compound

HRID 52533Notes

Reaction equation

[Br:1][C:2]1[CH:3]=[C:4]2[CH2:16][CH2:15][CH:14]([CH2:17][C:18](O)=[O:19])[N:6]3[C:7](=[O:13])[C:8](=[O:12])[NH:9][C:10]([CH:11]=1)=[C:5]23.[C:21]1([NH2:28])[CH:26]=[CH:25][CH:24]=[CH:23][C:22]=1[NH2:27]>>[Br:1][C:2]1[CH:3]=[C:4]2[CH2:16][CH2:15][CH:14]([CH2:17][C:18](=[O:19])[NH:27][C:22]3[CH:23]=[CH:24][CH:25]=[CH:26][C:21]=3[NH2:28])[N:6]3[C:7](=[O:13])[C:8](=[O:12])[NH:9][C:10]([CH:11]=1)=[C:5]23

Participants

Reactant 2

HCID 7243O-Phenylenediamine

HCID 104723389-bromo-5-carboxymethyl-6,7-dihydro-1H, 5 H-pyrido[1,2,3-de]quinoxaline-2,3-dione

Product 1

HCID 54379842HCID 54379842, compoundYield 98%

Procedure

A procedure similar to that described in Example 5 was carried out with 9-bromo-5-carboxymethyl-6,7-dihydro-1H, 5H-pyrido[1,2,3-de]quinoxaline-2,3-dione (300 mg, 0.88 mmol) and o-phenylenediamine (110 mg, 1 mmol) to give 370 mg of the title compound (98%): mp>270° C.; 1H NMR (270 MHz, DMSO-d6) δ12.07 (s, 1H), 9.23 (s, 1H), 7.25 (d, 1H, J=2 Hz), 7.17 (d, 1H, J=2 Hz), 7.13 (dd, 1H, J=8.1 Hz), 6.91 (dt, 1H, J=2, 8.1 Hz), 6.72 (dd, 1H, J=2, 8.1 Hz), 6.54 (dt, 1H, J=8.1, 2 Hz), 5.19~5.27 (m, 1H), 4.85 (br, 2H), 3.10 (ddd, 1H, J=17.1, 13.5, 4.5 Hz), 2.85 (dm, 1H, J=17.1 Hz), 2.61 (d, 2H, J=7.3 Hz), 2.12 (dm, 1H, J=13.5 Hz), 1.81~1.95 (m, 1H).

Sources & evidence

ORD record: ord-5e7fd6dee0d84ada9da9624bcc600b46
Source dataset: uspto-grants-1997_04
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US05616586

Reaction notes

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