Synthesis 1991; 1991(3): 181-188
DOI: 10.1055/s-1991-26413
review
© Georg Thieme Verlag, Rüdigerstr. 14, 70469 Stuttgart, Germany. All rights reserved. This journal, including all individual contributions and illustrations published therein, is legally protected by copyright for the duration of the copyright period. Any use, exploitation or commercialization outside the narrow limits set by copyright legislation, without the publisher's consent, is illegal and liable to criminal prosecution. This applies in particular to photostat reproduction, copying, cyclostyling, mimeographing or duplication of any kind, translating, preparation of microfilms, and electronic data processing and storage.

1,7-Electrocyclic Reactions of α,β,γ,δ-Unsaturated 1,3-Dipoles as a Synthetic Route to Seven-Membered Heterocycles

Gaetano Zecchi*
  • *Dipartimento di Chimica Organica e Industriale, Università di Milano, Via Golgi 19, I-20133 Milano, Italy
Weitere Informationen

Publikationsverlauf

Publikationsdatum:
17. September 2002 (online)

Various seven-membered heterocyclic compounds (monocyclic and annulated) are accessible by means of a general synthetic tool, i. e. 1,7-electrocyclic ring closure of 1,3-dipoles that are α,β, and γ,δ-unsaturated. 1. Introduction 2. Diazoalkenes 3. Nitrile Imines 4. Nitrile Ylides 5. Carbonyl Ylides 6. Other 1,3-Dipoles 7. Concluding Remarks