Four-Membered Rings from Isocyanides - Recent Advances

All articles of this category Reactions of isocyanides leading to products containing fourmembered ring systems are reviewed. The literature is covered from late 1969 through early 1984. 1. Introduction 2. [1 + 1 + 2]Cycloadditions of Isocyanides to Double and Triple Bond Systems (Including Further 2:1 Cyclizations) 3. [1 + 3]Cycloadditions of lsocyanides to Classical 1,3-Dipoles 4. Insertion of Isocyanides into Cyclopropanes. Cyclopropenes, and Heterocyclic Analogues of Methylenecyclopropanes 5. Conclusions