Tetrahedron Letters p. 5299 - 5302 (1982)
Update date:2022-07-29
Topics:
Brion, Francis
The <4+2> cycloaddition between furan and some dienophiles can be greatly accelerated in the presence of a Lewis-Acid (i. e.ZnI2).The 7-oxabicyclo<2.2.1>heptyl system readily undergoes a base promoted β-elimination of the heteroatom bridge leading to subs
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