'Conjugated dienes' diaporamas de présentation

Conjugated Dienes and U.V. Spectroscopy

Conjugated Dienes and U.V. Spectroscopy. Some Dienes. Some Conjugated Molecules. Prevents DNA from Unraveling. Y1 and Y2 for Ethylene. Orbital Depiction of Ethylene. Orbital Depiction. D H hydrogenation. Carbocation is Resonance Stabilized. Carbocation Stability.

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Conjugated Dienes and Ultraviolet Spectroscopy

Conjugated Dienes and Ultraviolet Spectroscopy. Key Words. Conjugated Diene Resonance Structures Dienophiles Concerted Reaction Pericyclic Reaction Cycloaddition Reaction Bridged Bicyclic Compound Cyclic Compounds Endo Exo. What are Conjugated Dienes?.

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14. Conjugated Dienes and Ultraviolet Spectroscopy

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14. Conjugated Compounds and Ultraviolet Spectroscopy

14. Conjugated Compounds and Ultraviolet Spectroscopy. Conjugated and Nonconjugated Dienes. Compounds can have more than one double or triple bond If they are separated by only one single bond they are conjugated and their orbitals interact

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10.8 Classes of Dienes

10.8 Classes of Dienes. C. Classification of Dienes. isolated diene conjugated diene cumulated diene. C. Nomenclature. (2 E ,5 E )-2,5-heptadiene (2 E ,4 E )-2,4-heptadiene 3,4-heptadiene. 10.9 Relative Stabilities of Dienes. Heats of Hydrogenation.

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Conjugated Dienes Conjugated dienes are compounds having two double bonds joined by one ? bond.

Conjugated Dienes Conjugated dienes are compounds having two double bonds joined by one ? bond. Conjugated dienes are also called 1,3-dienes. 1,3-Butadiene (CH 2 =CH-CH=CH 2 ) is the simplest conjugated diene.

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Alkynes & Dienes

Alkynes & Dienes. Alkynes. Hydrocarbons that have at least one triple bond between two adjacent carbons Contain the general formula of C n H 2n-2 Contains carbon atoms with sp hybrid orbital (2 p orbitals & 2 sp hybrid orbitals ) Undergoes electrophilic addition

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Solomons; Chapter 13 Conjugated Unsaturated Systems

Chap. 2. Solomons; Chapter 13 Conjugated Unsaturated Systems. ???. Introduction Conjugated unsaturated systems have a p orbital on a carbon adjacent to a double bond The p orbital can come from another double or triple bond

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Chapter 13 Conjugated Unsaturated Systems

Chapter 13 Conjugated Unsaturated Systems. Introduction Conjugated unsaturated systems have a p orbital on a carbon adjacent to a double bond The p orbital can come from another double or triple bond

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UNIT 2

UNIT 2. Conjugated systems Stability Reactions Aromatic cpds and their Chemistry. Simple alkenes. The relative stability of an alkene can be determined by comparing the heats of hydrogenation. The more highly substituted alkene is lower in energy.

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14. Conjugated Compounds and Ultraviolet Spectroscopy

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UV-Vis Spectroscopy

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Alkadienes and Polyunsaturated Hydrocarbons

Alkadienes and Polyunsaturated Hydrocarbons. Molecule of the Week. Cytostatin inhibits an enzyme that is linked to cancer. Solomons and Fryhle 13.6 – 13.10 Page 1. Examples of Differing Dienes. Page 2. C 5 H 8.

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Resonance:

Resonance: When you can draw more than one classic valence bond structure for a compound that differ only in the arrangement of the electrons, there is resonance . If the structures have approximately the same stability, then resonance is important .

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Abstract

14. 12. HL activity (nmFFA/hr/uL). *. 10. 8. 6. 4. 2. 0. Concentration of Chemical X for 50% Substance Y Activity Inhibition [IC 50 ]. F, +/+. M, +/+. **. *. M, +b/-. F, -/-. F, +s/-. F, +b/-. M, +s/-. M, -/-. 3. **. Sex, HL. 2.5. *. 0.003. Sub X. Total fat mass (g).

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