4,7,9-Megastigmatrien-3-one synthesis

2synthesis methods

Product Name:4,7,9-Megastigmatrien-3-one
CAS Number:38818-55-2
Molecular formula:C13H18O
Molecular Weight:190.28

1,4-Dioxaspiro[4.5]dec-6-en-8-one, 7,9,9-trimethyl-

14203-64-6
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38818-55-2
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Yield:-

Steps:

Multi-step reaction with 3 steps
1: 80 percent / Li / tetrahydrofuran / 1.) 10-15 deg C, 2.) r.t., 1 h
2: 80 percent / PBr₃, pyridine / toluene / 1 h / -10 °C
3: 1.) DBU, 2.) 1 M aq. HCl / 1.) toluene, reflux, 5 h, 2.) THF, 25 deg C, 5 h

References:

Ito, Nobuhiko;Etoh, Takeaki;Hagiwara, Hisahiro;Kato, Michiharu [Journal of the Chemical Society. Perkin transactions I,1997,# 10,p. 1571 - 1579]

Ethanamine, N-[(3,5-dichlorophenyl)methylene]-2,2-diethoxy-

1000210-73-0
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38818-55-2
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References

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