FIVE-MEMBERED RING FORMATION 138 5 Membered Rings 1. Intramolecular SN2 Reactions 2. Intramolecular Aldol Condensation and
![Six- versus five-membered ring formation in radical cyclization of 1-vinyl-5 -methyl-5-hexenyl radicals - ScienceDirect Six- versus five-membered ring formation in radical cyclization of 1-vinyl-5 -methyl-5-hexenyl radicals - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0040403902008663-sc1.gif)
Six- versus five-membered ring formation in radical cyclization of 1-vinyl-5 -methyl-5-hexenyl radicals - ScienceDirect
![Aromatic five-membered heterocyclic compounds (NICS(0) values obtained... | Download Scientific Diagram Aromatic five-membered heterocyclic compounds (NICS(0) values obtained... | Download Scientific Diagram](https://www.researchgate.net/publication/270276129/figure/fig12/AS:668229752070164@1536329796858/Aromatic-five-membered-heterocyclic-compounds-NICS0-values-obtained-at-B3LYP-6311.png)
Aromatic five-membered heterocyclic compounds (NICS(0) values obtained... | Download Scientific Diagram
![Biotransformation Reactions of Five-Membered Aromatic Heterocyclic Rings | Chemical Research in Toxicology Biotransformation Reactions of Five-Membered Aromatic Heterocyclic Rings | Chemical Research in Toxicology](https://pubs.acs.org/cms/10.1021/tx015574b/asset/images/medium/tx015574bc00001.gif)
Biotransformation Reactions of Five-Membered Aromatic Heterocyclic Rings | Chemical Research in Toxicology
![Enantioselective Synthesis of Five-Membered-Ring Atropisomers with a Chiral Rh(III) Complex | Organic Letters Enantioselective Synthesis of Five-Membered-Ring Atropisomers with a Chiral Rh(III) Complex | Organic Letters](https://pubs.acs.org/cms/10.1021/acs.orglett.0c03355/asset/images/medium/ol0c03355_0001.gif)
Enantioselective Synthesis of Five-Membered-Ring Atropisomers with a Chiral Rh(III) Complex | Organic Letters
![Aromatic five-membered heterocyclic compounds (NICS(0) values obtained... | Download Scientific Diagram Aromatic five-membered heterocyclic compounds (NICS(0) values obtained... | Download Scientific Diagram](https://www.researchgate.net/profile/Minh-Nguyen-166/publication/270276129/figure/fig12/AS:668229752070164@1536329796858/Aromatic-five-membered-heterocyclic-compounds-NICS0-values-obtained-at-B3LYP-6311_Q640.jpg)