Trimellitic anhydride → HCID 21884564, compound

HRID 722475Notes

Reaction equation

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

Participants

Reactant 2

HCID 11089Trimellitic anhydride

HCID 7210563-(5-Chloro-2-benzoxazolyl)benzenamine

Product 1

HCID 21884564HCID 21884564, compound

Procedure

Prepared by the method of Example 1b), from 2-(3-aminophenyl)-5-chlorobenzoxazole (34 mg, 0.14 mmol) and 1,2,4-benzenetricarboxylic anhydride (30 mg, 0.16 mmol) the title compound was obtained, 38 mg (64%). 1H NMR (DMSO) δ 8.48(dd, 1H), 8.39(bd, 2H), 8.30(dt, 1H), 8.16(d, 1H), 8.00(d, 1H), 7.88(m, 4H), 7.54(dd, 1H). MS 417 m/z (M−H)−.

Sources & evidence

ORD record: ord-57e583dc0f7446159a107a0810986fe7
Source dataset: uspto-grants-2006_11
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US07138425B2

Reaction notes

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