5.39 What is the stereochemical configuration of theenantiomer of (2S,4R) - 2,4- octanediol? (A diol is acompound with two -OH groups.) 6.21 - Draw anenergy diagram for a two-step reaction with KLabel the overall AG°, transition states, andintermediate. Is AG° positive or negative?eq> 1.5.39- What is the stereochemical configuration of the enantiomer of (25,4R)-2,4-octanediol? (A diol is a compound with two -OH groups.)6.21- Draw an energy diagram for a two-step reaction with Keq > 1. Label theoverall AG,transition states, and intermediate. Is AG°negative?

The objective of the first part of the question is to determine the stereochemical configuration of…

Answered: 5.39 What is the stereochemical…

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter7: Cycloalkanes

Section: Chapter Questions

Problem 8CTQ

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Plants extract are widely used in many parts of Cameroon to treat infectious disease or related symptoms including abdominal pains, itching, urinary and respiratory ailments, fever, coughing and diarrhea. Harunmadagascarin C as depicted below is an extract from the plant Harungana madagascariensis that has been studied for potential antimicrobial activity. Which statement best describes the stereochemistry of the compound? a. Harunmadagascarin C is achiral and does not have any stereogenic or chiral centers. b. The two stereogenic centers are currently in the E configuration, and the double bond in the ring structure is not stereogenic. c. There are four possible stereoisomers for Harunmadagascarin C since, as depicted, there are 2 stereocenters in the compound. d. There is one chiral center present in the molecule.
By considering the stereochemical requirements for E2-elimination, and using an appropriate illustration need help indicating whether the more stable conformer (conformer B) of trans-1 can undergo E2 elimination. Thank you :)
As we learned, monosubstituted cyclohexanes exist as anequilibrium mixture of two conformations having either an axial orequatorial substituent. When R = CH2CH3, Keq for this process is 23.When R = C(CH3)3, Keq for this process is 4000. Question: a.) For which R is ΔGo more negative?b.) How is the size of R related to the amount of axial and equatorialconformations at equilibrium?
Based on the more stable conformation (conformation A), need help providing two mechanisms for the E2 elimination of the protonated version of cis-1 using a general base (B:) to give alkenes 2 and 3. Clearly show which hydrogens meet the stereochemical requirements for E2-elimination Using Zaitsev’s rule, indicate which is favoured. Pictured is also a reaction mechanism to show what the alkenes 2 and 3 are. Thank you :)
Following are the alternative chair conformations for trans-1,2-dimethylcyclohexane.(a) Estimate the difference in free energy between these two conformations.(b) Given your value in (a), calculate the percent of each chair present in anequilibrium mixture of the two at 25°C.
Rank the following groups in order of decreasing priority. −CH=CH2, −CH3, −C≡CH, −H
What is the percent enantiomeric excess (ee) of a mixture that has 86% of one enantiomer and 14% of the other?
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c options for first box are bromothyml blue, chlorophenol red or thymolphathelin second box is red,blue,orange,yellow,green third box is red,blue,orange,yellow,green
Benzene is one of the compounds used as octane enhancers in unleaded gasoline. It is manufactured by the catalytic conversion of acetylene to benzene: 3C2 H2(g) ⟶ C6 H6(g). Which value of Kc would make thisreaction most useful commercially? Kc ≈ 0.01, Kc ≈ 1, or Kc ≈ 10. Explain your answer.
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Draw the meso form of (1R,4R)-cycloheptane-1,4-diol Use the wedge/hash bond tools to indicate stereochemistry where it exists. Show stereochemistry in a meso compound.

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