(a)
Interpretation:
The major product should be drawn.
Concept Introduction:
Retrosynthesis:
Retrosynthesis is the process of deconstructing a target molecule into reality available starting material by means of imaginary breaking bonds (disconnection) and the conversion of one
Disconnection:
An analytical operation by which breaks a bond and converts a molecule into a possible starting material.
Enamine formation:
When a secondary
Like imine formation, the formation of an enamine also required acid catalyzed for the removal of water molecule.
Acid Catalyzed Hydration Reaction: The reaction involves breaking of
Acid-catalyzed is generally applied for the removal of water molecule.
Hydrolysis Reaction: This type of reaction involving the braking of a carbon-carbon triple, double bonds in a molecules using water.
Through acid catalyzed process,
To predict the reagents used to accomplish the given transformation (a).
(b)
Interpretation:
The major product should be drawn.
Concept Introduction:
Retrosynthesis:
Retrosynthesis is the process of deconstructing a target molecule into reality available starting material by means of imaginary breaking bonds (disconnection) and the conversion of one functional group into another functional group.
Disconnection:
An analytical operation by which breaks a bond and converts a molecule into a possible starting material.
Enamine formation:
When a secondary amine react with carbonyl compounds, its form enamine.
Like imine formation, the formation of an enamine also required acid catalyzed for the removal of water molecule.
Acid Catalyzed Hydration Reaction: The reaction involves breaking of
Acid-catalyzed is generally applied for the removal of water molecule.
Hydrolysis Reaction: This type of reaction involving the braking of a carbon-carbon triple, double bonds in a molecules using water.
Through acid catalyzed process, ketone gets converted into imine.
To predict The reagents used to accomplish the given transformation (a).
(c)
Interpretation:
The major product should be drawn.
Concept Introduction:
Retrosynthesis:
Retrosynthesis is the process of deconstructing a target molecule into reality available starting material by means of imaginary breaking bonds (disconnection) and the conversion of one functional group into another functional group.
Disconnection:
An analytical operation by which breaks a bond and converts a molecule into a possible starting material.
Enamine formation:
When a secondary amine react with carbonyl compounds, its form enamine.
Like imine formation, the formation of an enamine also required acid catalyzed for the removal of water molecule.
Acid Catalyzed Hydration Reaction: The reaction involves breaking of
Acid-catalyzed is generally applied for the removal of water molecule.
Hydrolysis Reaction: This type of reaction involving the braking of a carbon-carbon triple, double bonds in a molecules using water.
Through acid catalyzed process, ketone gets converted into imine.
To predict The reagents used to accomplish the given transformation (a).
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Chapter 20 Solutions
Student Study Guide and Solutions Manual T/A Organic Chemistry
- PROBLEMS Q1) Label the following salts as either acidic, basic, or neutral a) Fe(NOx) c) AlBr b) NH.CH COO d) HCOON (1/2 mark each) e) Fes f) NaBr Q2) What is the pH of a 0.0750 M solution of sulphuric acid?arrow_forward8. Draw all the resonance forms for each of the fling molecules or ions, and indicate the major contributor in each case, or if they are equivalent (45) (2) -PH2 سمة مدarrow_forwardA J то گای ه +0 Also calculate the amount of starting materials chlorobenzaldehyde and p-chloroacetophenone required to prepare 400 mg of the given chalcone product 1, 3-bis(4-chlorophenyl)prop-2-en-1-one molar mass ok 1,3-bis(4-Chlorophenyl) prop-2-en-1-one = 277.1591m01 number of moles= 0.400/277.15 = 0.00144 moles 2 x 0.00 144=0.00288 moves arams of acetophenone = 0.00144 X 120.16 = 0.1739 0.1739x2=0.3469 grams of benzaldehyde = 0.00144X106.12=0.1539 0.1539x2 = 0.3069 Starting materials: 0.3469 Ox acetophenone, 0.3069 of benzaldehyde 3arrow_forward
- 1. Answer the questions about the following reaction: (a) Draw in the arrows that can be used make this reaction occur and draw in the product of substitution in this reaction. Be sure to include any relevant stereochemistry in the product structure. + SK F Br + (b) In which solvent would this reaction proceed the fastest (Circle one) Methanol Acetone (c) Imagine that you are working for a chemical company and it was your job to perform a similar reaction to the one above, with the exception of the S atom in this reaction being replaced by an O atom. During the reaction, you observe the formation of three separate molecules instead of the single molecule obtained above. What is the likeliest other products that are formed? Draw them in the box provided.arrow_forward3. For the reactions below, draw the arrows corresponding to the transformations and draw in the boxes the reactants or products as indicated. Note: Part A should have arrows drawn going from the reactants to the middle structure and the arrows on the middle structure that would yield the final structure. For part B, you will need to draw in the reactant before being able to draw the arrows corresponding to product formation. A. B. Rearrangement ΘΗarrow_forward2. Draw the arrows required to make the following reactions occur. Please ensure your arrows point from exactly where you want to exactly where you want. If it is unclear from where arrows start or where they end, only partial credit will be given. Note: You may need to draw in lone pairs before drawing the arrows. A. B. H-Br 人 C Θ CI H Cl Θ + Br Oarrow_forward
- 4. For the reactions below, draw the expected product. Be sure to indicate relevant stereochemistry or formal charges in the product structure. a) CI, H e b) H lux ligh Br 'Harrow_forwardArrange the solutions in order of increasing acidity. (Note that K (HF) = 6.8 x 10 and K (NH3) = 1.8 × 10-5) Rank solutions from least acidity to greatest acidity. To rank items as equivalent, overlap them. ▸ View Available Hint(s) Least acidity NH&F NaBr NaOH NH,Br NaCIO Reset Greatest acidityarrow_forward1. Consider the following molecular-level diagrams of a titration. O-HA molecule -Aion °° о ° (a) о (b) (c) (d) a. Which diagram best illustrates the microscopic representation for the EQUIVALENCE POINT in a titration of a weak acid (HA) with sodium. hydroxide? (e)arrow_forward
- Answers to the remaining 6 questions will be hand-drawn on paper and submitted as a single file upload below: Review of this week's reaction: H₂NCN (cyanamide) + CH3NHCH2COOH (sarcosine) + NaCl, NH4OH, H₂O ---> H₂NC(=NH)N(CH3)CH2COOH (creatine) Q7. Draw by hand the reaction of creatine synthesis listed above using line structures without showing the Cs and some of the Hs, but include the lone pairs of electrons wherever they apply. (4 pts) Q8. Considering the Zwitterion form of an amino acid, draw the Zwitterion form of Creatine. (2 pts) Q9. Explain with drawing why the C-N bond shown in creatine structure below can or cannot rotate. (3 pts) NH2(C=NH)-N(CH)CH2COOH This bond Q10. Draw two tautomers of creatine using line structures. (Note: this question is valid because problem Q9 is valid). (4 pts) Q11. Mechanism. After seeing and understanding the mechanism of creatine synthesis, students should be ready to understand the first half of one of the Grignard reactions presented in a past…arrow_forwardPropose a synthesis pathway for the following transformations. b) c) d)arrow_forwardThe rate coefficient of the gas-phase reaction 2 NO2 + O3 → N2O5 + O2 is 2.0x104 mol–1 dm3 s–1 at 300 K. Indicate whether the order of the reaction is 0, 1, or 2.arrow_forward
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