Acetic Anhydride → 5-(4-{2-[1-(4-Acetoxyphenyl)ethylideneaminooxy]ethoxy}benzyl)thiazolidine-2,4-dione

HRID 1741343Notes

Reaction equation

HRID 1741343 reaction equation
[OH:1][C:2]1[CH:7]=[CH:6][C:5]([C:8](=[N:10][O:11][CH2:12][CH2:13][O:14][C:15]2[CH:28]=[CH:27][C:18]([CH2:19][CH:20]3[S:24][C:23](=[O:25])[NH:22][C:21]3=[O:26])=[CH:17][CH:16]=2)[CH3:9])=[CH:4][CH:3]=1.[C:29](OC(=O)C)(=[O:31])[CH3:30]>N1C=CC=CC=1>[C:29]([O:1][C:2]1[CH:3]=[CH:4][C:5]([C:8](=[N:10][O:11][CH2:12][CH2:13][O:14][C:15]2[CH:28]=[CH:27][C:18]([CH2:19][CH:20]3[S:24][C:23](=[O:25])[NH:22][C:21]3=[O:26])=[CH:17][CH:16]=2)[CH3:9])=[CH:6][CH:7]=1)(=[O:31])[CH3:30]

Participants

4

Reactant 2

HCID 7918Acetic AnhydrideHCID 1363959675-(4-{2-[1-(4-Hydroxyphenyl)ethylideneaminooxy]ethoxy}benzyl)thiazolidine-2,4-dione

Product 1

HCID 867518315-(4-{2-[1-(4-Acetoxyphenyl)ethylideneaminooxy]ethoxy}benzyl)thiazolidine-2,4-dione

Reagents, catalysts & solvents 1

HCID 1049PyridineSolvent

Procedure

Following a procedure similar to that described in Example 54, but using 0.30 g of 5-(4-{2-[1-(4-hydroxyphenyl)ethylideneaminooxy]ethoxy}benzyl)thiazolidine-2,4-dione (prepared as described in Example 51), 0.092 ml of acetic anhydride and 15 ml of pyridine, 0.3 g of the title compound, melting at 133-135° C., was obtained.

Sources & evidence

ORD record
ord-72aaf1e2f4de46c893caa7f8eab82c45
Source dataset
uspto-grants-1999_10
Patent number
US05972959

Reaction notes

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