Acetic acid, 2-(triphenylphosphoranylidene)-, ethyl ester → Ethyl 3-(3-(benzyloxy)-2-methylphenyl)acrylate

HRID 709707Notes

Reaction equation

[CH2:1]([O:8][C:9]1[C:10]([CH3:17])=[C:11]([CH:14]=[CH:15][CH:16]=1)[CH:12]=O)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.C1(P(=[CH:37][C:38]([O:40][CH2:41][CH3:42])=[O:39])(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1>C1(C)C=CC=CC=1>[CH2:1]([O:8][C:9]1[C:10]([CH3:17])=[C:11]([CH:12]=[CH:37][C:38]([O:40][CH2:41][CH3:42])=[O:39])[CH:14]=[CH:15][CH:16]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1

Participants

Conditions

Temperature: 60 °C

Procedure

To a solution of 3-(benzyloxy)-2-methylbenzaldehyde (200 mg) in toluene (20 mL) was added ethyl (triphenylphosphoranylidene)acetate (303 mg), and the mixture was stirred at 60° C. for 15 hr. The reaction mixture was concentrated, and diethyl ether was added. The insoluble material was filtered off, and the filtrate was concentrated. The residue was purified by silica gel column chromatography (ethyl acetate/hexane) to give the title compound (120 mg) as a yellow oil.

Workup

concentrationThe reaction mixture was concentrated
additiondiethyl ether was added
filtrationThe insoluble material was filtered off
concentrationthe filtrate was concentrated
customThe residue was purified by silica gel column chromatography (ethyl acetate/hexane)

Sources & evidence

ORD record: ord-15f250e1f8084f8082ed0495004dea02
Source dataset: uspto-grants-2015_11
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US09181186B2

Reaction notes

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