Gibberellic acid is a plant hormone that controls the development of plants. At various points in their synthesis of gibberellic acid, E. J. Corey and coworkers incorporated the Diels-Alder reactions below. Draw the mechanism and the product of each of these reactions. Hint: In the first reaction, which alkene is more electron poor? Ah- H OH li.. НО H CH3 CO2H Gibberellic acid (a) (b) CI ? ? OMEM Diels-Alder Diels-Alder OCH3 НО

Gibberellic acid is a plant hormone that controls the development of plants. At various points in their synthesis of gibberellic acid, E. J. Corey and coworkers incorporated the Diels-Alder reactions below. Draw the mechanism and the product of each of these reactions. Hint: In the first reaction, which alkene is more electron poor? Ah- H OH li.. НО H CH3 CO2H Gibberellic acid (a) (b) CI ? ? OMEM Diels-Alder Diels-Alder OCH3 НО

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

C
What reactants are expected to afford the following Diels-Alder adduct? H. H;C H. 請

Write out the expected splitting pattern for hydrogens Ha, Hp and Hc 3Jab = 10 Hz На Hb 3Jpc = 7 Hz CI Hc Hc Ha:Hb:Hc: doublet, quartet, doublet Ha:Hb:Hc: quartet, quartet, triplet Ha:Hb:Hc: doublet, doublet of triplets, doublet Ha:Hb:Hc: doublet, triplet of doublets, doublet
Please explain step by step
6. Draw products of the following reactions 1) OsO4 2) NaHSŐ, H2O OH", H20 mCPBA mCPBA HO H*, Cro3 OH2 РСС OH OH H*, Cro3 H20 РСС I-
Hh.48.
Explain the observed reactivity rate of the following alkyl halides in an SN1 reaction. -CI slowest rate anti-aromatic least stable answer. + non-aromatic CI CN Propose the product of the following reaction (hint: this is a two step-reaction. Reaction one is an electrocyclic ring opening and step 2 is a cycloaddition reaction). Be sure to include stereochem in your CN fastest rate A CI aromatic most stable
Provide explanation.
Draw the major expected product.
10:11 AM Thu Mar 23 :0: :CI: Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product structures, draw the curved electron-pushing arrows for the following reaction or mechanistic steps. Be sure to account for all bond-breaking and bond-making steps. Al Select to Add Arrows :0: CFCI: Problem 8 of 23 Select to Add Arrows :0: :0: • C. CIFCI: Select to Add Arrows Ⓒ @ : 66% CICI: Submit Select to Add Arrows
Give the structure of the product(s) for each step of the following reaction sequence.
O O AIC13 Reaction name/type: Friedel-Crafts Alkylation