Trimellitic anhydride → HCID 21884613, compound

HRID 722490Notes

Reaction equation

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

Participants

Reactant 2

HCID 11089Trimellitic anhydride

HCID 7210305-(2-Benzoxazolyl)-2-methylbenzenamine

Product 1

HCID 21884613HCID 21884613, compound

Procedure

Prepared by the method of Example 1b), from 2-(3-amino-4-methylphenyl)benzoxazole (250 mg, 1.1 mmol) and 1,2,4-benzenetricarboxylic anhydride (214 mg, 1.1 mmol) the title compound was obtained. 375 mg (84%). 1H NMR (DMSO) δ 8.45(dd, 1H), 8.33(d, 2H), 8.23(dd, 1H), 8.12(d, 1H), 7.79(m, 2H), 7.68(d, 1H), 7.44(m, 2H). MS 397 m/z (M−H)−.

Sources & evidence

ORD record: ord-ef398cfd71bc4eaf8ae8e6ad545c80e0
Source dataset: uspto-grants-2006_11
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US07138425B2

Reaction notes

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