SnAP reagents for the one-step synthesis of medium-ring saturated N-heterocycles from aldehydes | Nature Chemistry
Ring opening reactions of nitrogen heterocycles - IOPscience
Pyridazine is a heterocyclic organic compound with the molecular formula (CH)4N2. It contains a six-membered ring with two adjacent nitrogen atoms Stock Photo - Alamy
![A photochemical ring expansion of 6- to 8-membered nitrogen heterocycles by [1,3]-sigmatropic rearrangement - Chemical Communications (RSC Publishing)](https://pubs.rsc.org/en/Content/Image/GA/D1CC00393C "A photochemical ring expansion of 6- to 8-membered nitrogen heterocycles by [1,3]-sigmatropic rearrangement - Chemical Communications (RSC Publishing)")
A photochemical ring expansion of 6- to 8-membered nitrogen heterocycles by [1,3]-sigmatropic rearrangement - Chemical Communications (RSC Publishing)
Amines & amides
![The Chemistry of Sulfur-Containing [5,5]-Fused Ring Systems With a Bridgehead Nitrogen - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0065272517300545-f04-01-9780128152102.gif "The Chemistry of Sulfur-Containing [5,5]-Fused Ring Systems With a Bridgehead Nitrogen - ScienceDirect")
The Chemistry of Sulfur-Containing [5,5]-Fused Ring Systems With a Bridgehead Nitrogen - ScienceDirect
Unique ring expansion of a 6-3 bicyclic ring system forming a functionalized 7-membered ring accelerated by nitrogen functional groups - ScienceDirect
There's plenty of nitrogen to go around in cyclopentazole anion
Basic aromatic ring - Wikipedia
6-Membered Ring Nitrogen Heterocycles made by Roman A. Valiulin with ChemDraw | Organic chemistry books, Chemistry notes, Chemistry
Heterocyclic Compound - an overview | ScienceDirect Topics
Carbon and nitrogen labelling of pyrimidine and purine rings. (a) When... | Download Scientific Diagram
Pyridazine is a heterocyclic organic compound with the molecular formula (CH)4N2. It contains a six-membered ring with two adjacent nitrogen atoms Stock Photo - Alamy
Synthesis of Nitrogen Heterocycles by the Ring Opening of Pyridinium Salts - Kearney - 2006 - Angewandte Chemie International Edition - Wiley Online Library
Heterocyclic Chemistry
24.9: Heterocyclic Amines - Chemistry LibreTexts
Electrochemical Ring Expansion to Synthesize Medium-Sized Lactams Through C–C Bond Cleavage | CCS Chem
Nitrogen-containing five-membered rings studied in this work (nitrogen... | Download Scientific Diagram
Scheme 1 Intramolecular ring closure in nitrogen-containing acetals. | Download Scientific Diagram
Reaction expands nitrogen-containing rings and options for medicinal chemists
A reaction that removes sulfur, nitrogen or oxygen atoms from six-membered rings using only blue light
5-Membered Ring Nitrogen Heterocycles made by Roman A. Valiulin with ChemDraw | Chemistry notes, Chemistry, Organic chemistry
Heterocyclic compound - Wikipedia
