7 a. Propose a plausible mechanism for the following Heck reactionTBSOPd(PPH3)4K2CO3H.OTBS2. b. The product of the reaction above is not the only one that could possibly form. Infact, if you change up the migratory insertion step, you could make three moreisomeric structures. What do they look like? What is your guess for why theyaren't actually observed? (Assume the reaction yields only one diastereomerregardless of which mechanistic path is followed.)

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a. Propose a plausible mechanism for the following Heck reaction TBSO Pd(PPH3)4 K2CO3 H. OTBS 2.

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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Question

a. Propose a plausible mechanism for the following Heck reaction
TBSO
Pd(PPH3)4
K2CO3
H.
OTBS
2.

b. The product of the reaction above is not the only one that could possibly form. In
fact, if you change up the migratory insertion step, you could make three more
isomeric structures. What do they look like? What is your guess for why they
aren't actually observed? (Assume the reaction yields only one diastereomer
regardless of which mechanistic path is followed.)

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