Domanda del libro di testo
Phosgene (COCl2) was used as a poison gas in World War I. What product would be formed from the reaction of phosgene with each of the following reagents?
c. excess propylamine
d. excess water
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Ch. 15 - Reactions of Carboxylic Acids and Carboxylic Acid Derivatives
Bruice8th EditionOrganic ChemistryISBN: 9780135213711
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TOC.tableOfContents
- Ch. 1 - Remembering General Chemistry: Electronic Structure and Bonding31
- Ch. 2 - Acids and Bases: Central to Understanding Organic Chemistry84
- Ch. 3 - An Introduction to Organic Compounds: Nomenclature, Physical Properties, and Structure183
- Ch. 4 - Isomers: The Arrangement of Atoms in Space121
- Ch. 5 - Alkenes: Structure, Nomenclature, and an Introduction to Reactivity • Thermodynamics and Kinetics83
- Ch. 6 - The Reactions of Alkenes • The Stereochemistry of Addition Reactions175
- Ch. 7 - The Reactions of Alkynes • An Introduction to Multistep Synthesis119
- Ch. 8 - Delocalized Electrons: Their Effect on Stability, pKa, and the Products of a Reaction • Aromaticity and Electronic Effects: An Introduction to the Reactions of Benzene148
- Ch. 9 - Substitution and Elimination Reactions of Alkyl Halides212
- Ch. 10 - Reactions of Alcohols, Ethers, Epoxides, Amines, and Sulfur-Containing Compounds131
- Ch. 11 - Organometallic Compounds60
- Ch. 12 - Radicals90
- Ch. 13 - Mass Spectrometry; Infrared Spectroscopy; UV/Vis Spectroscopy62
- Ch. 14 - NMR Spectroscopy95
- Ch. 15 - Reactions of Carboxylic Acids and Carboxylic Acid Derivatives123
- Ch. 16 - Reactions of Aldehydes and Ketones • More Reactions of Carboxylic Acid Derivatives141
- Ch. 17 - Reactions at the Alpha-Carbon101
- Ch. 18 - Reactions of Benzene and Substituted Benzenes144
- Ch. 19 - More About Amines • Reactions of Heterocyclic Compounds49
- Ch. 20 - The Organic Chemistry of Carbohydrates80
- Ch. 21 - Amino Acids, Peptides, and Proteins57
- Ch. 22 - Catalysis in Organic Reactions and in Enzymatic Reactions35
- Ch. 23 - The Organic Chemistry of the Coenzymes—Compounds Derived from Vitamins1
- Ch. 28 - Pericyclic Reactions58
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Bruice 8th EditionCh. 15 - Reactions of Carboxylic Acids and Carboxylic Acid DerivativesProblema 68g,h
Bruice 8th EditionCh. 15 - Reactions of Carboxylic Acids and Carboxylic Acid DerivativesProblema 68g,hCapitolo 15, Problema 68g,h
What are the products of the following reactions?
g. 
h. 
Guida verificata passo dopo passo1
Step 1: For reaction (g), recognize that CH3OH (methanol) is in excess and CH3O- (methoxide ion) is present. This suggests a nucleophilic substitution or esterification reaction. Analyze the structure of the starting material to determine the reactive sites.
Step 2: Identify the functional groups in the starting material. If the starting material contains a leaving group (e.g., halide or tosylate), methoxide ion (CH3O-) will act as a nucleophile and replace the leaving group. If the starting material contains a carbonyl group, methanol may react to form an ester.
Step 3: Write the mechanism for the reaction. For nucleophilic substitution, show the attack of CH3O- on the electrophilic carbon attached to the leaving group, followed by the departure of the leaving group. For esterification, show the reaction of methanol with the carbonyl group, forming an ester and releasing a byproduct (e.g., water).
Step 4: For reaction (h), recognize that (CH3C=O)2O is acetic anhydride. Heating (Δ) acetic anhydride typically leads to its reaction with nucleophiles or decomposition. Analyze the conditions to predict the products.
Step 5: Write the mechanism for the reaction of acetic anhydride under heat. If no nucleophile is present, acetic anhydride may decompose into acetic acid and ketene. If a nucleophile is present, acetic anhydride may react to form an ester or amide, depending on the nucleophile.
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Nucleophilic Substitution
Nucleophilic substitution is a fundamental reaction in organic chemistry where a nucleophile, such as methanol (CH3OH), attacks an electrophilic carbon atom, resulting in the replacement of a leaving group. In the given reaction, methanol acts as a nucleophile, forming a methoxy group (CH3O-) as a product when it reacts with an appropriate electrophile.
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01:47
Nucleophiles and Electrophiles can react in Substitution Reactions.
Acid Anhydrides
Acid anhydrides, like (CH3C=O)2O, are compounds formed from two acyl groups and are reactive intermediates in organic synthesis. When heated (Δ), they can undergo reactions such as hydrolysis or nucleophilic acyl substitution, leading to the formation of carboxylic acids or esters, depending on the nucleophile involved.
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03:35Anhydride Nomenclature
Reaction Conditions
Reaction conditions, including temperature, solvent, and the presence of catalysts, significantly influence the outcome of organic reactions. For instance, the use of excess methanol and heat in the reactions can drive the formation of specific products, such as esters or ethers, by favoring the nucleophilic attack and stabilizing the transition states.
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Percorso guidato
1:18EAS Reactions of Pyridine Example 1
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