Generation of cyclobutadiene derivatives from 1-metallo-4-halobuta-1,3-diene derivatives

Abstract

1-Zircona-4-halobuta-1,3-diene derivatives react in the presence of CuCl to produce cyclobutadiene derivatives which afford their dimers, or Diels–Alder adducts with dimethyl maleate or fumarate.

References

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