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Allenophile |
Annulation Product |
Yield (%) |
|
---|---|---|---|
71-75 |
|||
86 |
|||
49 |
|||
91 |
|||
90 |
|||
71 |
|||
68 |
|||
53 |
|||
63 |
|||
Appendix
Compounds Referenced (Chemical Abstracts Registry Number)
(R)-(−)-carvone
(E)- and (Z)-3-methyl-3-penten-2-one
ether, diethyl ether (60-29-7)
sodium chloride (7647-14-5)
nitrogen (7727-37-9)
dichloromethane (75-09-2)
magnesium sulfate (7487-88-9)
Allene (463-49-0)
titanium tetrachloride (7550-45-0)
calcium hydride (7789-78-8)
1-Methyl-1-(trimethylsilyl)allene (74542-82-8)
cis-4-exo-Isopropenyl-1,9-dimethyl-8-(trimethylsilyl)bicyclo[4.3.0]non-8-en-2-one (77494-23-6)