HCID 762509, compound → HCID 54567411, compound

HRID 484985Notes

Reaction equation

HRID 484985 reaction equation
[CH3:1][O:2][C:3]1[CH:8]=[C:7]([CH3:9])[C:6]([CH:10]=[CH:11][C:12](=O)[CH3:13])=[C:5]([CH3:15])[C:4]=1[CH3:16].Br[CH2:18]/[CH:19]=[CH:20]/[C:21]([O:23][CH3:24])=[O:22]>>[CH3:24][O:23][C:21](=[O:22])[CH:20]=[CH:19][CH:18]=[C:12]([CH3:13])[CH:11]=[CH:10][C:6]1[C:7]([CH3:9])=[CH:8][C:3]([O:2][CH3:1])=[C:4]([CH3:16])[C:5]=1[CH3:15]

Participants

3

Reactant 2

HCID 762509HCID 762509, compoundHCID 53691752-Butenoic acid, 4-bromo-, methyl ester

Product 1

HCID 54567411HCID 54567411, compound

Procedure

In a manner similar to Example 5, reaction of 4-(4-methoxy-2,3,6-trimethylphenyl)-3-buten-2-one with methyl 4-bromocrotonate afforded the desired compound. Crystallization from ether-petroleum ether gave yellow crystals, m.p. 104°-109° C. MS(EI): 300(m+), 285(m+ --CH3), 241(m+ --CO2CH3).

Sources & evidence

ORD record
ord-c95aa45de4414944a295c85bf136fad4
Source dataset
uspto-grants-1985_08
Patent number
US04534979

Reaction notes

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