Tetrahedron Letters p. 5173 - 5176 (1989)
Update date:2022-07-31
Topics:
Camerom, Donald W.
Feutrill, Geoffrey I.
Keep, Philip L. C.
2,3-Dichloro quinonoid dienophiles react with 1,3-dioxy butadienes to give cycloadducts, which aromatise with uptake of external nucleophile to give 1,2-disubstitution in the newly formed aromatic ring.With oxy nucleophiles this has led to synthesis of natural alizarin derivatives.
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