Acetic Anhydride → 2-Cyclopenten-1-one

HRID 444317Notes

Reaction equation

HRID 444317 reaction equation
[CH:1]1[CH2:5][CH2:4][CH2:3][CH:2]=1.[C:6]([O:9][C:10](=[O:12])[CH3:11])(=[O:8])[CH3:7]>>[C:1]1(=[O:8])[CH2:5][CH2:4][CH:3]=[CH:2]1.[C:6]([O:9][CH:10]1[CH2:11][CH2:5][CH:1]=[CH:2][O:12]1)(=[O:8])[CH3:7]

Participants

4

Reactant 2

HCID 7918Acetic AnhydrideHCID 8882Cyclopentene

Product 2

HCID 135882-Cyclopenten-1-oneHCID 11804852HCID 11804852, compound

Procedure

Synder et al. J.A.C.S. 81, 4299-4300 (1959) claimed that the light-catalyzed liquid-phase autoxidation of cyclopentene in the presence of acetic anhydride gave cyclopentenone and 2-acetoxy-3,4-dihydro-[2H]-pyran.

Sources & evidence

ORD record
ord-e5791f67cd574b938b9ce3516e6f6f1f
Source dataset
uspto-grants-1981_04
Patent number
US04263447

Reaction notes

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