PPT-Alkaloids and Heterocyclic Compounds.

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 . Dominador. T. . Callo. Jr.. What is Alkaloid?. Alkaloids.  are a group of naturally occurring chemical compounds that contain . mostly basic.  nitrogen atoms. .. Alkaloids. are produced by a large variety of organisms, including bacteria, fungi, plants, and animals, and are part of the group of natural products (also called secondary metabolites).. Precursor is formed by combining two C. 6. C. 2. units, both originating from tyrosine. Focus: . pieces/precursors. key assembly steps. structure-activity. physiological interactions. First . methylation. . Alkaloids. Prof. Dr. İhsan . ÇALIŞ. References. . R. . Hänsel. &O. . Sticher. , . Pharmakognosie. , . Phytopharmazie. , . Springer. , . Heidelberg. 2007 . J. . Bruneton. , . Pharmacognosy. Some important classes of . alkaloids. Class . Precursors. . Examples. . _____________. . Piperidine. alkaloids L-lysine (C. 5. N) . Piperine. Pyrrolidine. /. tropane. . alkaloids. . L-. ornithine. Prepared By. Dr. Khalid Ahmad Shadid. Chemistry Department – Islamic University in Madinah . Islamic University in . Madinah. Department of Chemistry. CH-3. ALKALOIDS. What is Alkaloids: . Alkaloids means . 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. Alkaloids. Definition:-. Alkaloids are natural compounds display an . expceptionally. wide array of biological activities and have a wide distribution , being present in plants, fungi, bacteria, insects, marine, animal and man.. 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.. 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. . Dr. . R. . P. Patil. Professor & Head. Department of . Botany. Deogiri . College, Aurangabad. Chemotaxonomy. RPP. Phytochemistry. Chemical plant taxonomy or chemotaxonomy of plants may be defined . Lecture . Four:. عضوية . Alcohols. Alcohols are some of the most important molecules in organic chemistry. They contain the hydroxyl functional group (-OH), bonded to a carbon atom of an alkyl, or substituted alkyl group.