Journal of Organic Chemistry p. 3284 - 3288 (1994)
Update date:2022-09-26
Topics:
Liu, Hui
Gayo, Leah M.
Sullivan, Robert W.
Choi, Angela Y. H.
Moore, Harold W.
A new synthetic route to highly substituted cyclobutenones is reported.This involves the 1,6-addition of both heteroatom- and carbon-based nucleophiles to 4,4-dimethoxy-3-ethenyl-2-methylcyclobuten-1-one (8) to give further functionalized cyclobutenedione monoketals.These ketals function as precursors to quinones as illustrated by the synthesis of the natural benzofuranosesquiterpene 23.
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Doi:10.1080/00397911.2013.830132
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