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- W1984588177 abstract "A new annelation procedure has been developed in a model system to introduce the cyclohexene ring of guanacastepene. Cyclohexenone 16 is prepared by sequential methylation and alkylation with allylic iodide 15. One-pot epoxidation, protodesilylation and hydrolysis of the THP forms dione 19, which cyclizes with NaOMe to 24 in 57% overall yield. Reduction, Mitsunobu inversion, and selective oxidation of the primary alcohol forms model 29. Phenyldimethylsilyl allylic iodide 36 is easier to make and more stable than trimethylsilyl allylic iodide 6 used by Stork." @default.
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- W1984588177 date "2001-12-01" @default.
- W1984588177 modified "2023-09-27" @default.
- W1984588177 title "A novel extension of the Stork–Jung vinylsilane Robinson annelation procedure for the introduction of the cyclohexene of guanacastepene" @default.
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- W1984588177 doi "https://doi.org/10.1016/s0040-4039(01)02026-3" @default.
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