Electrophilic PowerPoint Presentations - PPT

Electrophilic
Electrophilic - presentation

alexa-sche

Attack. Electrophilic Aromatic Substitution. Electrophile substitutes for a hydrogen on the benzene ring.. Mechanism. =>. Bromination of Benzene. Requires a stronger electrophile than Br. 2. .. Use a strong Lewis acid catalyst, FeBr.

7.1  Reaction
7.1 Reaction - presentation

calandra-b

e. nergies & . t. ransition states. 7.2 Review of acid-base reaction mechanisms. 7.3 Writing reactions as transformations. 7.4 Substitution reactions. 7.5 Addition reactions. 7.6 Elimination reactions.

1 Reactions
1 Reactions - presentation

kittie-lec

of Alkenes: Addition Reactions. Disparlure: sex attractant of the female gypsy moth.. (A type of . pheromone.. ). 2. I. Hydrogenation of Alkenes. Addition. Reactions. oleic acid. (unsaturated). stearic acid.

Bromination
Bromination - presentation

lois-ondre

. as a tool for structure determination. Experimental:. Dissolve the sample in DCM (1 mL). Add . dropwise. a 1% . bromine solution. of DCM. Positive test, if red color disappears . Conclusion:. The sample contains a multiple bond, which undergoes .

Bromination of Toluene Chemistry 318
Bromination of Toluene Chemistry 318 - presentation

conchita-m

Fall . 2018. Schedule of . day. PPE . and Pre-lab check . – at the door. Quiz. Recitation. Safety. Put bags away. Goggles. Gloves. Lab Coat. Lab part 1. IR . Review. Lab part 2. Due . Dates. . Today.

Fluorination in Medicinal Chemistry
Fluorination in Medicinal Chemistry - presentation

yoshiko-ma

BY. Ronald Mensah. Introduction . Fluorination methods. Fluorination in Medical chemistry. Conclusion . Writing Component. References . Questions. Outline . Introduction . What is fluorine?. Location on the periodic table .

Reactivity of Polycyclic Benzenoid Hydrocarbons
Reactivity of Polycyclic Benzenoid Hydrocarbons - presentation

tawny-fly

16-6. Naphthalene is activated toward electrophilic substitution.. Naphthalene undergoes electrophilic substitution rather than addition.. Naphthalene is activated with respect to electrophilic aromatic substitution. Bromination at C1 occurs without a catalyst under mild conditions..

Synthesis of Benzene Derivatives: Electrophilic Aromatic Su
Synthesis of Benzene Derivatives: Electrophilic Aromatic Su - presentation

giovanna-b

15-8. Benzene undergoes substitution reactions with electrophiles.. Electrophiles attack benzene by substituting for a hydrogen atom, not addition to the ring.. Under the conditions of this type of reaction, ordinary non-aromatic conjugated polyenes would polymerize rapidly..

Retrosynthesis
Retrosynthesis - presentation

stefany-ba

Synthetic design involves two distinct steps: . (1) retrosynthetic analysis and . (2) subsequent translation of the analysis into a "forward direction" synthesis. . In the analysis, the chemist recognizes the functional groups in a molecule and disconnects them proximally by methods corresponding to known and reliable reconnection reactions..

Heterocyclic
Heterocyclic - presentation

alexa-sche

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 (.

By Dr. Mohamed El-
By Dr. Mohamed El- - presentation

briana-ran

Newehy. Chemistry Department, College of Science, King Saud University. http://fac.ksu.edu.sa/melnewehy. Aromatic . Compounds. The Structure of Benzene Ring. - . Benzene. is . the . parent hydrocarbon of .

By Dr. Mohamed El-
By Dr. Mohamed El- - presentation

stefany-ba

Newehy. Chemistry Department, College of Science, King Saud University. http://fac.ksu.edu.sa/melnewehy. Unsaturated Hydrocarbons. Alkynes. - . Alkynes. are . ydrocarbons. . that contain a . carbon–carbon .

Objectives
Objectives - presentation

alida-mead

Preparation of . Haloalkanes. . by Halogenation. Preparation . Aryl Chlorides . by . Electrophilic. Substitution. Halogen . Exchange. Free radical chlorination or . bromination. of . alkanes. gives a complex 287 .

There are two major classes of organic chemicals aliphatic
There are two major classes of organic chemicals aliphatic - presentation

alexa-sche

arene. : includes one or more ring of six carbon atoms with delocalised bonding.. All of the organic substances we have looked at so far have been aliphatic. Benzene belongs to the aromatic class. Benzene’s Structure.

Polar Reaction Under Acidic Conditions
Polar Reaction Under Acidic Conditions - presentation

tatiana-do

Carbocations. Substitution and . β. -elimination reactions at C(sp. 3. )-X. Electrophilic addition to . nuclephilic. C=C . π. bonds. Substitution . at . nuclephilic. C=C . π. . bonds. Nuclephilic.

1 1 Reactions of Arenes
1 1 Reactions of Arenes - presentation

test

Reactions of Arenes. Reactions involving the ring. A. Reduction. a. Catalytic hydrogenation (Chapter 11.4). b. Birch reduction (Chapter 11.11). B. . Electrophilic. aromatic substitution (Chapter 12).

Organic Chemistry Chemical reactions part 1
Organic Chemistry Chemical reactions part 1 - presentation

jane-oiler

Organic Chemistry Chemical reactions part 1 Alkanes – c hemical reactions Combustion Free radical substitution Complete combustion In excess oxygen, short chain alkanes can undergo complete combustion

Electrophilic
Electrophilic - presentation

alexa-sche

Addition to Alkenes. Addition of H-X to the Carbon-Carbon Double Bond:. Markovnikov’s. Rule. In its original form, . Markovnikov’s. rule states that, during the addition of HX to a C=C, the hydrogen atom goes to the side of the .

Synthetic Strategies toward Substituted Benzenes
Synthetic Strategies toward Substituted Benzenes - presentation

lindy-duni

16-5. To obtain substitutions in positions incompatible with the directing sense of substituents requires a couple of synthetic “tricks”.. Among these are:. Chemical interconversions of ortho, para with meta directors (nitro .

Heterocyclic Chemistry
Heterocyclic Chemistry - presentation

min-jolico

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..

Why Addition Reactions Proceed: Thermodynamic Feasibility
Why Addition Reactions Proceed: Thermodynamic Feasibility - presentation

natalia-si

12-1. Because the C-C .  bond is relatively weak, alkene chemistry is dominated by its reactions.. The addition of a reagent, A-B, to give a saturated compound is the most common transformation of an alkene..

Aromatic Compounds Chapter 6
Aromatic Compounds Chapter 6 - presentation

tatiana-do

240 . Chem. 1. The expressing . aromatic compounds . came to mean . benzene. . and derivatives of benzene. .. . Structure of Benzene: Resonance Description. C. 6. H. 6. It contains a six-membered ring and three additional degrees of unsaturation..

Chapter 4: Aromatic Compounds
Chapter 4: Aromatic Compounds - presentation

tatiana-do

Bitter almonds are the source of the aromatic compound benzaldehyde. Sources of Benzene. Some Facts About Benzene. Reacts mainly by substitution. Friedrich August Kekule’. The Orbital Model for Benzene.

Chapter 18 Reactions of Aromatic molecules
Chapter 18 Reactions of Aromatic molecules - presentation

pasty-tole

Benzene is aromatic: a cyclic conjugated compound with 6 . . electrons. Reactions of benzene lead to the retention of the aromatic core. Types of Reactions. Electrophilic. substitution. Diazonium.

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