Upload File

full page photo - uri department of chemistry · nitration of bromobenzene purpose to demonstrate...

  • Home
  • Documents
  • Full page photo - URI Department of Chemistry · Nitration of Bromobenzene Purpose To demonstrate nitration by electrophilic aromatic substitution and to test the direct effects of
8

Upload: others

Post on 24-Jan-2020

11 views

Category:

Documents


0 download

Report

TRANSCRIPT

Page 1: Full page photo - URI Department of Chemistry · Nitration of Bromobenzene Purpose To demonstrate nitration by electrophilic aromatic substitution and to test the direct effects of
Page 2: Full page photo - URI Department of Chemistry · Nitration of Bromobenzene Purpose To demonstrate nitration by electrophilic aromatic substitution and to test the direct effects of
Page 3: Full page photo - URI Department of Chemistry · Nitration of Bromobenzene Purpose To demonstrate nitration by electrophilic aromatic substitution and to test the direct effects of
Page 4: Full page photo - URI Department of Chemistry · Nitration of Bromobenzene Purpose To demonstrate nitration by electrophilic aromatic substitution and to test the direct effects of
Page 5: Full page photo - URI Department of Chemistry · Nitration of Bromobenzene Purpose To demonstrate nitration by electrophilic aromatic substitution and to test the direct effects of
Page 6: Full page photo - URI Department of Chemistry · Nitration of Bromobenzene Purpose To demonstrate nitration by electrophilic aromatic substitution and to test the direct effects of
Page 7: Full page photo - URI Department of Chemistry · Nitration of Bromobenzene Purpose To demonstrate nitration by electrophilic aromatic substitution and to test the direct effects of
Page 8: Full page photo - URI Department of Chemistry · Nitration of Bromobenzene Purpose To demonstrate nitration by electrophilic aromatic substitution and to test the direct effects of

14 Electrophilic Additions

Electrophilic Aromatic Substitution 18icvcollege.edu.in/sites/default/files/Electrophilic...18.4 Nitration and SulfonationNitration and sulfonation of benzene introduce two different

Chapter 4: Aromatic Compounds - بوابة الخيمة · Chapter 4: Aromatic Compounds. ... 4.8 Electrophilic Aromatic Substitution. ... Consider the relative nitration rates of

Electrophilic free benzene toluene · Thermal free radical nitration of benzene and toluene with ... aromatic (i.e., 7r-complex) nature, whichis thenfollowedby separate a-complex

Electrophilic halogenation - Assetsassets.cambridge.org/97805212/90142/frontmatter/9780521290142... · Electrophilic halogenation Reaction pathways involving attack by electrophilic

Chapter 16 Chemistry of Benzene: Electrophilic Aromatic ...s3.amazonaws.com/cramster-resource/2306_n_12262.pdf · nitration halogenation sulphonation ... and results in the direct

Electrophilic Aromatic Substitution - P.G. College electrophilic substitution.pdf · Chlorination requires FeCl 3 ... Electrophilic Aromatic Substitution and Substituted Benzenes

Nitration of glucose

Mechanism and regioselectivity of electrophilic aromatic ......Electrophilic aromatic nitration is one of the most thoroughly studied classes of organic reactions, and its mechanism

Electrophilic Aromatic Substitution- Nitrationharding/summaries/14D25.pdfElectrophilic Aromatic Substitution- Nitration Sources: - Hardinger, Steven. “Chapter 23: Aromatic Substitution

Electrophilic Addition Reactions

Module III: Aromatic Hydrocarbons (6 hrs)mesasmabi.com/wp-content/uploads/2018/07/Module-III.pdf · Mechanism of aromatic electrophilic substitution: Halogenation, nitration, sulphonation

Electrophilic Substitution Reactions

18.1 Electrophilic Aromatic Substitution...18.1 Electrophilic Aromatic Substitution. •Electrophilic Aromatic Substitution (EAS) –an aromatic proton is replaced by an electrophile

Lecture 10b. Theory I The nitration of aromatic systems is an example of an electrophilic aromatic substitution (EAS) Statistically, an EAS on a mono-substituted

Electrophilic Addition

Chapter 15 Electrophilic Aromatic Substitution...When benzene is treated with a mixture of nitric acid and sulfuric acid, a nitration reaction occurs in which nitrobenzene is formed

Electrophilic free benzene toluene - PNAS · Under usual conditions of electrophilic nitration, ... agent Catalyst kT/kn ortho meta para o/p ... inelectrophilic aromaticsubstitution,

Nitration of Methyl Benzoate

Nitration(of(Substituted(Aromatic(Rings(and(Rate(A...Nitration(of

Electrophilic Aromatic Substitution

REACTIONS: WHY HETEROGENEOUS CATALYSIS? A …shodhganga.inflibnet.ac.in/bitstream/10603/5915/8/08_chapter 4.pdf · Examples of electrophilic aromatic substitution reactions are nitration,

Electrophilic aromatic substitution€¦ · Electrophilic aromatic substitution: XNO2 SO3H R C O R Halogenation Nitration Sulfonation Alkylation Acylation Some electrophilic aromatic

CONTENTS Prior knowledge Structure of benzene Thermodynamic stability Delocalisation Electrophilic substitution Nitration Chlorination Friedel-Crafts reactions

8 - Electrophilic Addition

Competitive Aromatic Nitration

Electrophilic Aromatic Substitution (Aromatic compounds) Ar-H = aromatic compound 1. Nitration Ar-H + HNO 3, H 2 SO 4 Ar-NO 2 + H 2 O 2.Sulfonation

Full page photo - URI Department of Chemistry · The electrophile is usually produced by the reaction between a catalyst ... the nitronium ion, a Lewis acid, ... nitration by electrophilic

Nitration of benzene !

Lecture 11b. Theory I The nitration of aromatic systems is an example of an electrophilic aromatic substitution (EAS) Statistically, an EAS on a mono-substituted

SECTION 15 ² ELECTROPHILIC AROMATIC SUBSTITUTION …ochemnotes.com/section15-electrophilic-aromatic-substitution.pdf · SECTION 15 ² ELECTROPHILIC AROMATIC SUBSTITUTION ... Overview

ELECTROPHILIC AROMATIC SUBSTITUTION NITRATION OF …...to methyl benzoate. Methyl 3-nitrobenzoate 13C NMR (15 MHz, 30° pulse, 256 scans, 31 minutes) Loss of symmetry means that the

Electrophilic Attack

Electrophilic Reactions on Aromatic Compounds …drsapnag.manusadventures.com/chemistry/organic-chemistry/power... · Electrophilic Aromatic Substitution •Arene (Ar-H) ... Nitration

Experiment 17: NITRATION OF p-methylacetanilide. Objectives: To synthesize methylnitroacetanilide isomers using an electrophilic aromatic substitution