New Pathways to Precursors of Pentalene

Authors

  • Shaochun You
  • Markus Neuenschwander

DOI:

https://doi.org/10.2533/chimia.1996.24

Abstract

Syn-cis-(2) and anti-cis-(3) pentalene dimers are easily available by CuCl2-induced oxidative coupling of dilithium-pentalenediide (5). On the other hand, NBS-bromination as well of 1,5-dihydro-pentalene (4) as of 1,2-dihydropentalene (6) gives unstable 1-bromo-1,2-dihydropentalene (7), while subsequent in situ elimination with Et3N exclusively leads to syn-cis-pentalene dimer 2 in moderate yields.

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Published

1996-02-28

How to Cite

[1]
S. You, M. Neuenschwander, Chimia 1996, 50, 24, DOI: 10.2533/chimia.1996.24.