Trimellitic anhydride → HCID 21884614, compound

HRID 722479Notes

Reaction equation

[NH2:1][C:2]1[CH:3]=[C:4]([C:10]2[O:11][C:12]3[CH:22]=[C:21]4[C:16]([CH:17]=[CH:18][CH:19]=[CH:20]4)=[CH:15][C:13]=3[N:14]=2)[CH:5]=[CH:6][C:7]=1[O:8][CH3:9].[CH:23]1[C:28]([C:29]([OH:31])=[O:30])=[CH:27][C:26]2[C:32]([O:34][C:35](=O)[C:25]=2[CH:24]=1)=[O:33]>>[CH3:9][O:8][C:7]1[CH:6]=[CH:5][C:4]([C:10]2[O:11][C:12]3[CH:22]=[C:21]4[C:16]([CH:17]=[CH:18][CH:19]=[CH:20]4)=[CH:15][C:13]=3[N:14]=2)=[CH:3][C:2]=1[N:1]1[C:32](=[O:33])[C:26]2[C:25](=[CH:24][CH:23]=[C:28]([C:29]([OH:31])=[O:30])[CH:27]=2)[C:35]1=[O:34]

Participants

Reactant 2

HCID 11089Trimellitic anhydride

HCID 21884391HCID 21884391, compound

Product 1

HCID 21884614HCID 21884614, compound

Procedure

Prepared by the method of Example 1b), from 2-(3-amino-4-methoxyphenyl)naphth[2,3-d]oxazole (67 mg, 0.23 mmol) and 1,2,4-benzenetricarboxylic anhydride (50 mg, 0.26 mmol) the title compound was obtained, 40 mg (37%). 1H NMR (DMSO) δ 8.34(m, 4H), 8.24(d, 1H), 8.15(s, 1H), 8.01(m, 3H), 8.43(m, 3H), 3.81(s, 3H). MS 463 m/z (M−H)−.

Sources & evidence

ORD record: ord-9c6a37de6fcf480daef13ca76986afa4
Source dataset: uspto-grants-2006_11
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US07138425B2

Reaction notes

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