Tetrahedron Letters p. 6325 - 6328 (1990)
Update date:2022-08-05
Topics:
Williams, Robert M.
Cushing, Timothy D.
Various 2H-2,2-dimethyl-1,5-benzodioxepins have been synthesized en route to the oxindole moiety of paraherquamide (1).The key step is the 7-membered ring formation from prenylated catechols using either PhSeCl, N-PSP or m-CPBA/SnCl4.
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(1991)Doi:10.1039/c3ob40907d
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(2011)
