Acetic Anhydride → HCID 23459015, compound

HRID 444127Notes

Reaction equation

HRID 444127 reaction equation
[C:1]([C:4]([C:10]1[CH:15]=[CH:14][C:13]([C:16]([CH3:24])([C:21]([OH:23])=[O:22])[CH2:17][C:18](O)=[O:19])=[CH:12][CH:11]=1)([CH3:9])[CH2:5][C:6](O)=[O:7])([OH:3])=[O:2].C(OC(=O)C)(=O)C>>[CH3:9][C:4]1([C:10]2[CH:11]=[CH:12][C:13]([C:16]3([CH3:24])[CH2:17][C:18](=[O:19])[O:22][C:21]3=[O:23])=[CH:14][CH:15]=2)[CH2:5][C:6](=[O:7])[O:3][C:1]1=[O:2]

Participants

3

Reactant 2

HCID 7918Acetic AnhydrideHCID 20477549HCID 20477549, compound

Product 1

HCID 23459015HCID 23459015, compound

Procedure

The product was then hydrolyzed by refluxing according to the procedure of Example 1 above. The product, 1,4-bis(1,2-dicarboxy-1-methylethyl)benzene, was heated with acetic anhydride according to the process employed in Example 1. After heating at 70° C. for 20 hours the desired dianhydride having the following analysis was obtained.

Workup

  1. temperatureby refluxing
  2. customwas obtained

Sources & evidence

ORD record
ord-b8bad0d70ef04ba694d7bbee9c6e75ec
Source dataset
uspto-grants-1981_04
Patent number
US04263209

Reaction notes

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