Consider the reaction of each of the starting material with pyridinium-sulfur trioxide complex.Provide the structure of the starting material and of the major product. Represent the reactionsin the form of a reaction equation as shown belowconditionsStarting MaterialProduct(a) Ethyl 3-pyrrolecarboxylate(b) 2-Bromothiophene(c) 2-Nitrofuran(d) 3-Methoxypyrrole(e) 1-Benzylindole(f) 3-Butanoylfuran(g) 6-Methylindole

The primary role of pyridinium sulphur trioxide is the sulphonation reactions. In the five membered…

Answered: Consider the reaction of each of the…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Compound A has the molecular formula C14H25Br and was obtained by thereaction of sodium acetylide with 1,12-dibromododecane. On treatment ofcompound A with sodium amide, compound B (C14H24) was obtained. Ozonolysisof compound B gave the diacid HO2C(CH2)12CO2H. Catalytic hydrogenation ofcompound B over Lindlar palladium gave compound C (C14H26), andhydrogenation over platinum gave compound D (C14H28). Further, C yieldedO=CH(CH2)12CH=O on ozonolysis. Assign structures to compounds A through Dso as to be consistent with the observed transformations.
Compelling evidence for the existence of a tetrahedral intermediate innucleophilic acyl substitution was obtained in a series of elegantexperiments carried out by Myron Bender in 1951. The key experimentwas the reaction of aqueous −OH with ethyl benzoate (C6H5COOCH2CH3)labeled at the carbonyl oxygen with 18O. Bender did not allow thehydrolysis to go to completion, and then examined the presence of alabel in the recovered starting material. He found that some of therecovered ethyl benzoate no longer contained a label at the carbonyloxygen. With reference to the accepted mechanism of nucleophilic acyl substitution, explain how this provides evidence for a tetrahedralintermediate.
Benzenediazonium carboxylate decomposes when heated to yield N2, CO2, and a reactive substance that can't be isolated. When benzenediazonium carboxylate is heated in the presence of furan, the following reaction is observe. Propose a structure for the intermediate in this reaction.
Give a rearrangement reaction equation to synthesize N-ethyl-2-methyl-buthylamide from the corresponding α-diazoketone. Give the structures of all intermediary products. Do not give a mechanism.
3 Esters can be prepared by the reaction of carboxylic acids with alcohols. Bearing this in mind, propose a route to the preparation of γ-Butyrolactone, the structure of which is shown below.
In an aqueous solution containing sodium bicarbonate, aniline reacts quickly withbromine to give 2,4,6-tribromoaniline. Nitration of aniline requires very strong conditions,however, and the yields (mostly m-nitroaniline) are poor.(a) What conditions are used for nitration, and what form of aniline is present under theseconditions?
The following equation shows the bromination of compound 1. Propose a structure for product D and a curved arrow mechanism that accounts for its formation featuring the initiation, propagation and termination steps. can you also discuss the stereochemical outcome.
Triphenylmethanol is insoluble in water, but when it is treated with concentrated sulfuric acid, a bright yellow solutionresults. As this yellow solution is diluted with water, its color disappears and a precipitate of triphenylmethanol reappears.Suggest a structure for the bright yellow species, and explain this unusual behavior.1
I need help to find the mechansim for Preparation of Cyclohexanone by Hypochlorite Oxidation and explain the mechanism in detail
Can you assist with predicting the organic product(s) of the last two reactions and provide stereochemistry, if applicable.
What are the names of the compound A, B, C, D, E, F, G & H. Hence suggest structures for compound C and E. What are the reagents and reaction conditions used for the following conversions? (i), (ii), (iii), (iv) & (v)
Compelling evidence for the existence of a tetrahedral intermediate in nucleophilic acyl substitution was obtained in a series of elegant experiments carried out by Myron Bender in 1951. The key experiment was the reaction of aqueous−OH with ethyl benzoate (C6H5COOCH2CH3) labeled at the carbonyl oxygen with 18O. Bender did not allow the hydrolysis to go to completion, and then examined the presence of a label in the recovered starting material. He found that some of the recovered ethyl benzoate no longer contained a label at the carbonyl oxygen. With reference to the accepted mechanism of nucleophllic acyl substitution, explain how this provides evidence for a tetrahedral intermediate.

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