Maleic Anhydride → HCID 10714790, compound

HRID 483819Notes

Reaction equation

HRID 483819 reaction equation
CO[CH:3](OC)[C:4]1[CH:9]=[C:8]([O:10][CH2:11][C:12]2[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=2)[CH:7]=[CH:6][C:5]=1[CH:18](O)[C:19]1[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=1.[C:28]1(=[O:34])[O:33][C:31](=[O:32])[CH:30]=[CH:29]1>C1(C)C=CC=CC=1>[CH2:11]([O:10][C:8]1[CH:9]=[C:4]2[C:5]([C:18]([C:19]3[CH:24]=[CH:23][CH:22]=[CH:21][CH:20]=3)=[C:30]3[C:31](=[O:32])[O:33][C:28](=[O:34])[C:29]3=[CH:3]2)=[CH:6][CH:7]=1)[C:12]1[CH:13]=[CH:14][CH:15]=[CH:16][CH:17]=1

Participants

4

Procedure

To a solution of the alcohol (112 g) from Step 1 in toluene (1.1L) was added maleic anhydride (150 g). The reaction mixture was heated to reflux for 24 hours. After cooling to room temperature, the toluene was evaporated. The residue was triturated in EtOAc at 0° C., filtered and washed with Et2O to afford the title product as a white solid.

Workup

  1. temperatureThe reaction mixture was heated
  2. temperatureto reflux for 24 hours
  3. customthe toluene was evaporated
  4. customThe residue was triturated in EtOAc at 0° C.
  5. filtrationfiltered
  6. washwashed with Et2O

Sources & evidence

ORD record
ord-91c8c7e3df434d649ad4df0e98f6d8c4
Source dataset
uspto-grants-1993_07
Patent number
US05227399

Reaction notes

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