7.13 A proton (H*) from trifluoromethanesulfonic acid, CF3SO2OH, can add to the alkyne shown here to yield two different carbocation products. (a) Draw the mechanism for each of these steps, along with the corresponding products. (b) Which carbocation is more stable? H3C H₂ C-C=CH + H-OSO₂CF3 H₂ ?

7.13 A proton (H*) from trifluoromethanesulfonic acid, CF3SO2OH, can add to the alkyne shown here to yield two different carbocation products. (a) Draw the mechanism for each of these steps, along with the corresponding products. (b) Which carbocation is more stable? H3C H₂ C-C=CH + H-OSO₂CF3 H₂ ?

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...

See similar textbooks

Similar questions

For each section, circle the mechanism from the two options given (SN1 or SN2) and draw the main organic product resulting from that mechanism. Indicate the stereochemistry and if two configurational isomers form, draw both.
Draw the mechanism and the major organic product for each of the following reactions.
Each heterolysis step on the left does not readily occur, but the corresponding one on the right does. Explain why. Hint: Draw the products of each heterolysis and determine the contributions to their driving force. (a) Br Br CH,CHOH CH;CH,OH (b) CH CHOH ? CH;CH,OH (c) you Br Br DMSO CH,CH,OH (d) CHCH,OH ? CH;CH,OH
a) H₂ Pd C-C -H and -H + A-B For the following reagents, indicate the following: a) what is added accross the double bond; b) is the addition stereoselective/stereospecific? If yes, do A and B add syn or anti?; c) draw the product, with relevant stereochemistry, when the reagent system shown is reacted with 1-methylcyclopentene. The answer to the first reagent system is shown below. (i) b) yes, syn addition | | -C-C- (achiral, stereochem. not observable) | I A B (ii) a) 1) 9-BBN 2) H₂O2, NaOH(aq) b)
2. Provide the mechanism for the reaction illustrated below. Show the relevant intermediate/transition state. Br N2OH
(c) The following reaction shows the electrophilic addition reaction between an alkene compound with hydrogen chloride, HCI. Tindak balas berikut menunjukkan tindak balas penambahan elektrofilik antara sebatian alkena dengan hidrogen klorida, HCI. + HCI Major product Draw the mechanism for the formation of major product. Lukis mekanisma bagi pembentukan hasil utama berikut.
What are the major and minor products of this reaction?
The alkene shown undergoes bromination. H (a) Draw the product(s) of bromination of this compound, including all expected stereoisomers (if any). Use wedge-and-dash bonds to designate the stereochemistry at any chirality centers, and make sure to draw an explicit hydrogen if a chirality center has one. (b) Characterize the starting alkene as having the E or Z configuration. (c) characterize the product(s). (a) H Br₂ Draw the product(s) of bromination. Br H Br
3. When the alkene A was treated with Br₂, the product formed was the epoxide B. Using curved arrows please give the mechanism of this reaction, including any regioselectivity or stereoselectivity. Br₂ 00+00 H₂O
In the allylic bromination with NBS below, a mixture of two products (A and B) can be formed due to the resonance-stabilised radical. 2. (a) NBS A + B hu (1) Show the initiation step of this reaction. (ii) Draw the possible radicals and the products formed.
5. The following reaction forms three possible products. Please indicate which are stereoisomeric and which 2 are the major products. Propose different reaction conditions that would afford a single stereoisomer, show that product. CH3OH CI
How do I rank these from best to poorest leaving group? Do I base it in the size of the electronegative atom size?