Tables de déplacements chimiques et couplages RMN

in aliphatic compounds Table. 3.27 Vicival 3J HH in heterocyclic and aromatic compounds Table. 3.28 4J HH and 5J HH Table. 3.29 J HF Table. 3.30 J HP Table. 3.31 Effect of Eu Table. 3.32 ref : D. H. Williams, I. Fleming, Spectroscopic Methods in Organic Chemistry,McGraw-Hill Tables de déplacements chimiques et couplages RMN 1

  Compound, Heterocyclic

Professor J. Stephen Clark

• Heterocyclic systems are important building-blocks for new materials possessing interesting electronic, mechanical or biological properties. 6 ... • 1,5-Dicarbonyl compounds can be prepared by Michael addition of enones O O NH3 N H H −H2 [O] N −2H2O. 15 General Strategies for Heterocycle Synthesis X X or X X X or X

  Compound, Heterocyclic

Heterocyclic compounds (1)

Heterocyclic compounds 2 Introduction: Students will be familiar with carbocyclic compounds, such as cyclohexane and benzene, that are built from rings of carbon atoms. If one or more of the carbon atoms is replaced by another element, the product is a heterocycle.

  Compound, Heterocyclic, Heterocyclic compounds

Reactions of Amines

Chem 360 Jasperse Ch. 19 Notes + Answers. Amines 2 3. Alkylation of 1º Alkyl Halides (Section 19-12, 19-21A) R Br RN H H N H R H X ammonium salt R 3a. Polyalkylation is routine. o With excess alkyl halide and base, keep on alkylating until it becomes the