PPT-Heterocyclic

Rings Pyridne quinoline and isoquinoline Pyridne Pyridine is a water miscible liquid b p 115 oC with an unpleasant odour An Excelent polar solvent A base . 1 Phenolic Ethers Alkyl Phenolics Heterocyclic Ethers Larger PAH 500 600 700 800 900 Figure 1 Formation of biomass tars and example of compounds formed (Diels-Alder . Cycloaddition. Reactions). Hetero-Diels-Alder Reactions. Reaction between . cyclopentadiene. and diethyl . azodicarboxylate. Normal Diels-Alder Reaction. Inverse electron demand Diels-Alder Reaction. Histamine. Amines. Amides. Amino acid. P. eptides. Comparison of NH. 3. to Amines . 15.1 Amines. pyramidal. VSEPR?. Classification of Amines. Amines are classified by the number of carbons directly bonded to the nitrogen atom: . Orbitals. Natural gas?. Fig. 11.1. Aliphatic Hydrocarbon Structure Comparison. Bonding and Geometry. of Two-Carbon Molecules . 11.1 Structure and Physical. . Properties. Compounds. Heterocyclic. Compounds contain ring made up of . carbon atoms and another kind of atoms.. (most commonly N, O, S) . . Homocyclic. Compounds contain ring made up only . of carbon atoms .. Heterocyclic. Chemistry. Heterocyclic. Chemistry. Five-. membered. . Heterocycles. Pyrrole. , Furan and . Thiophene. Heterocyclic Chemistry. Five Membered Heterocycles-Introduction. The main reason for the study of pyrrole came from the work on the structure of haem; the blood respiratory pigment, and the chlorophyll; the green photosynthetic pigment of plants.. NOMENCLATURE & RING SYNTHESIS. NOMENCLATURE OF HETEROCYCLIC COMPOUNDS. DEFINITION:. A cyclic organic compound containing all carbon atoms in ring formation is referred to as a carbocyclic compound.. Dr. Sheppard, CHEM 4201, Fall 2014. Heterocyclic Chemistry. The chemistry of . heterocycles. Formation. Reactions. Applications. Several examples already seen this semester. Atom Identification. Numbers. A heterocyclic amine is a cyclic organic compound that consists of a ring of five or six atoms, of which one or two are nitrogen atoms.. The aroma of pepper is due to . piperidine. , a heterocyclic amine. . . Assist. Prof. Dr. Ayad MR Raauf. Alkaloids and Heterocyclic Compounds.. . Alkaloids. Alkaloids are a class of basic and cyclic organic compounds, naturally occurring consist of carbon, hydrogen mainly, and nitrogen and usually oxygen. . 3. rd. Year Students. Special . Chem. , . Chem-Phys. , Geo-. chem. , Zoo-. Chem. , . Bot-. Chem. Prof. . Ahmed El . Kady. , Prof. . Fatehia. . Korany. , Dr. Adel Abdel . Gawad. , Dr. . Asmaa. . Mouorad. Hetrocyclic. Compounds. Lecture six:. عضوية . Alkaloids and Heterocyclic Compounds. Alkaloids :-. Alkaloids are a group of naturally occurring chemical compounds that mostly contain nitrogen atom in the heterocycles and originate from amino acids. This group also includes some related compounds with neutral, and even weakly acidic properties. . by N‑Heterocyclic . Carbenes. 2015-12-01. Reporter: . Pengfei. Yuan. Supervisor: Prof. Yong . Huang. 2. Introduction . of N-Heterocyclic . Carbenes. Umpolung. . Acylazolium. . Catalysis. Lewis Base .