Trimellitic anhydride → HCID 21884468, compound

HRID 722544Notes

Reaction equation

[NH2:1][C:2]1[CH:3]=[CH:4][C:5]([NH:23][CH2:24][CH2:25][O:26][CH3:27])=[C:6]([C:8]2[O:9][C:10]3[CH:16]=[CH:15][C:14]([C:17]4[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=4)=[CH:13][C:11]=3[N:12]=2)[CH:7]=1.[CH:28]1[C:33]([C:34]([OH:36])=[O:35])=[CH:32][C:31]2[C:37]([O:39][C:40](=O)[C:30]=2[CH:29]=1)=[O:38]>>[CH3:27][O:26][CH2:25][CH2:24][NH:23][C:5]1[CH:4]=[CH:3][C:2]([N:1]2[C:37](=[O:38])[C:31]3[C:30](=[CH:29][CH:28]=[C:33]([C:34]([OH:36])=[O:35])[CH:32]=3)[C:40]2=[O:39])=[CH:7][C:6]=1[C:8]1[O:9][C:10]2[CH:16]=[CH:15][C:14]([C:17]3[CH:22]=[CH:21][CH:20]=[CH:19][CH:18]=3)=[CH:13][C:11]=2[N:12]=1

Participants

Reactant 2

HCID 11089Trimellitic anhydride

HCID 21884619HCID 21884619, compound

Product 1

HCID 21884468HCID 21884468, compound

Procedure

Prepared by the method of Example 1b), from 2-(5-amino-2-(2-methoxyethylamino)phenyl)-5-phenylbenzoxazole (131 mg, 0.36 mmol) and 1,2,4-benzenetricarboxylic anhydride (70 mg, 0.36 mmol) the title compound was obtained (138 mg, 72%). 1H NMR (DMSO) δ 8.61(t, 1H), 8.42(dd, 1H), 8.31(s, 1H), 8.13(d, 1H), 8.08(m, 2H), 7.83(d, 1H), 7.53(m, 3H), 7.50(m, 3H), 7.41(t, 1H), 7.08(d, 1H), 3.69(m, 2H), 3.59(m, 2H), 3.35(s, 3H). MS 534 m/z (M+H)+.

Sources & evidence

ORD record: ord-bc06655f1f2c468899810a9f84e38a33
Source dataset: uspto-grants-2006_11
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US07138425B2

Reaction notes

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