PPT-Reversal of carbonyl group polarity (Umpolung)

The carbonyl group is electrophilic at the carbon atom and hence is susceptible to attack by nucleophilic reagents Thus the carbonyl group reacts as a formyl cation or as an acyl . New KODAK TRIX Reversal Film 7266 offers finer grain and increased sharpness and includes EASTMAN KEYKODE Numbers for easy crossreference of shots in minutes not hours Reduced static support allows for a cleaner image throughout the filmmaking proce 19 Aldehydes and ketones. Carbonyl Compounds. Contain the carbonyl group . C=O. . Aldehydes: . R may be hydrogen, usually a carbon containing group. Ketones: . R contains carbon. Short. forms. Structures of Aldehydes . Lecture 6. CARBONYL COMPOUNDS: . NUCLEOPHILIC ADDITION REACTION. ALDEHYDE. KETON. ESTHER. CARBOXILIC ACID. CARBONYL COMPOUNDS. CARBONYL COMPOUNDS. Formalin . Ibuprofen . Aspirin. Asam cuka. Asam semut. Ketones and aldehydes contain the carbonyl functional group, C=O. . Formation of the C=O carbonyl . π. bond. π. bond. formed by sideways overlap of . p orbitals. above and below the plane of the molecule. The bonding electrons are . The Civet Cat is the original source of . civetone. , a sweet and pungent ketone used as a fixative in perfumery. Aldehydes and ketones are found in many fragrant odors of many fruits, fine perfumes, hormones etc. some examples are listed below.. A2 Chemistry Unit 4. What functional group do all carbonyl compounds contain?. δ. +. δ. -. What is the aldehyde functional group?. What is the ketone functional group?. Name the following molecules:. The Civet Cat is the original source of civetone, a sweet and pungent ketone used as a fixative in perfumery. Aldehydes and ketones are found in many fragrant odors of many fruits, fine perfumes, hormones etc. some examples are listed below.. We Now?. Moderator. Christian T. Ruff, MD, MPH. Assistant Professor of Medicine. TIMI Study Group. Brigham and . Women's . Hospital. Harvard Medical School. Boston, Massachusetts. Arash Afshinnik, MD. 1. Chapter 16. Aldehydes & Ketones:. Nucleophilic Addition. to the Carbonyl Group. Ch. 16 - . 2. About The Authors. . These PowerPoint Lecture Slides were created and prepared by Professor William Tam and his wife, Dr. Phillis Chang. . Lesson on the following:. The Carbonyl group. Nomenclature for . Aldehydes. and . Ketones. Properties of . Aldehydes. and . Ketones. . 1.5 . Aldehydes. . and . Ketones. Aldehydes and Ketones. Solution a. aldehyde b. ketone c. aldehyde Study Check 14.1 Identify the following compound as an aldehyde or ketone: Answer ketone Identify each of the following compounds as an aldehyde or ketone Substitution and Elimination at C(sp. 3. )-X . σ. bonds. Addition of . Nuclephiles. to Electrophilic . π. bonds. Substitution . at . C(sp. 2. )-. X . σ. . bonds. Base-promoted Rearrangements. Chapter . Classified into 2 group. (a)Mononuclear carbonyls M(CO)x. (B). Polynuclear. carbonyls . M. 2. (CO)y. MNC are formed by metals with even atomic number. Dia. magnetic in nature. Nickel . carbonyl-mononuclear .