Allyl bromide → 2-Allylcyclopentanone

HRID 1835758Notes

Reaction equation

[C:1]1(=[O:6])[CH2:5][CH2:4][CH2:3][CH2:2]1.[CH3:7][C:8](C)([O-])[CH3:9].[K+].C(Br)C=C.C1(=O)CCCCC1>>[CH2:9]([CH:2]1[CH2:3][CH2:4][CH2:5][C:1]1=[O:6])[CH:8]=[CH2:7]

Participants

Reactant 4

HCID 7841Allyl bromide

HCID 7967Cyclohexanone

HCID 8452Cyclopentanone

HCID 23665647Potassium tert-butoxide

Product 1

HCID 109205112-Allylcyclopentanone

Procedure

Ex-30a) Cyclopentanone is treated with potassium-t-butoxide and then with allyl bromide in the same manner and in the same proportions as described for cyclohexanone in Example 6a, yielding 2-allylcyclopentanone.

Sources & evidence

ORD record: ord-863dfd19266646329883747c9aadf7d4
Source dataset: uspto-grants-2004_08
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US06774126B2

Reaction notes

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