Trimellitic anhydride → HCID 58743024, compound

HRID 722613Notes

Reaction equation

[CH3:1][O:2][C:3]([C:5]1[CH:20]=[CH:19][C:8]2[N:9]=[C:10]([C:12]3[CH:17]=[CH:16][CH:15]=[C:14]([NH2:18])[CH:13]=3)[O:11][C:7]=2[CH:6]=1)=[O:4].[CH:21]1[C:26]([C:27]([OH:29])=[O:28])=[CH:25][C:24]2[C:30]([O:32][C:33](=O)[C:23]=2[CH:22]=1)=[O:31]>>[CH3:1][O:2][C:3]([C:5]1[CH:20]=[CH:19][C:8]2[N:9]=[C:10]([C:12]3[CH:17]=[CH:16][CH:15]=[C:14]([N:18]4[C:30](=[O:31])[C:24]5[C:23](=[CH:22][CH:21]=[C:26]([C:27]([OH:29])=[O:28])[CH:25]=5)[C:33]4=[O:32])[CH:13]=3)[O:11][C:7]=2[CH:6]=1)=[O:4]

Participants

Reactant 2

HCID 11089Trimellitic anhydride

HCID 69585075HCID 69585075, compound

Product 1

HCID 58743024HCID 58743024, compound

Procedure

Prepared by the method of Example 1b), from 2-(3-aminophenyl)benzoxazole-6-carboxylic acid methyl ester (100 mg, 0.37 mmol) and 1,2,4-benzenetricarboxylic anhydride (72 mg, 0.37 mmol) the title compound was obtained (148 mg, 90%). 1H NMR (DMSO) δ 8.45(dd, 1H), 8.39(m, 1H), 8.32(m, 3H), 8.13(d, 1H), 8.05(dd, 1H), 7.96(d, 1H), 7.80(m, 2H), 3.91(s, 3H). MS 443 m/z (M+H)+.

Sources & evidence

ORD record: ord-3aa88bab742b4876a2f5b7825e7e0632
Source dataset: uspto-grants-2006_11
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US07138425B2

Reaction notes

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