Q: Consider the aldol condensation reaction shown below. Which products will be formed during this…
A: Answer :- I & III
Q: D Fill in the reagents to complete the Synthetic and draw the final product EŁOH 30, 2. 3.
A: These reactions are studied in the enolate chemistry, Firstly base will abstract the proton to…
Q: 1. НCN, acid 2. LIAIH4, dry Et,0 H. final product NH2 H* Br он H. internal aldol condensation
A: The solution of the question is given below:
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A: Answer is given as follows
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Q: 4. Give the crossed aldol product for the following reaction. NaOH (aq) + H. 25 °C
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Q: 5) Which of the indicated eliminations is easier? -HCI -HBr R Br H2SO, -HI T -H,0 6) Which of the…
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Q: Draw the organic product of the two-step synthesis below. 1. NANH2 C=CH 2. CH3I
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A: As per the rule, only the first question can be answered.
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Q: What aldol addition product is formed from the following compound?
A:
Q: 25°C HO. HO. Na* OH (aq) OH (aq) 25°C 85°C aldol
A: Answer:- This question is answered by using the simple concept of chemical reaction of self Claisen…
Q: There are other condensation reactions similar to the aldol and Claisen condensations: a. The Perkin…
A: The Perkin condensation is the condensation of an aromatic aldehyde and acetic anhydride. It is…
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Q: 3. (15 points) Complete the reaction scheme below. Show all reagents and intermediates. No reaction…
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Q: The aldol reaction is an equilibrium process that generally favors the products. How would the…
A: Retro aldol reaction is the reverse of the aldol condensation reaction .Thus in retro aldol…
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Q: (2) Which is the most reactive substrate in the electrophilic addition? ( A. CH3-C=CH2 B.…
A: The substrate which forms the most stable carbocation is most reactive.
Q: What aldol addition product is formed from the following compound?
A: The aldol addition product is formed from the following compound is given below with mechanism :
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A: Note : First do the retro synthesis. Then plan the synthesis.
Q: A.3: Indicate the type of alkyl halide (1°, 2°,3°), the leaving group (Br or Cl'), and the relative…
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Q: 4) When a mixture of two different compounds both containing a hydrogens are placed under acidic or…
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Q: Me Ме МeONa/ MeOН /12
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Q: Draw the structure of the major aldol product (prior to possible dehydration) of the following…
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Q: 25.ldentify the reagent that best completes the following reaction. HO d. H3PO4 a. NaOH e. HBr b.…
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Q: Draw the major elimination product formed in the reaction. Select Draw Rings More Erase H CH;O-K*…
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Q: tu II it 1ONIlal 1epot. OH ОН О H. A For the "crossed" aldol reaction that lead to product C, did…
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Q: Part 6 out of 8 Choose the most appropriate reagent(s) for the conversion of the alkyl bromide to…
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Q: Me „CHO CO2E Me + Ph3Ps .CO2E† Me CH2CI2 Me 0: Me Me 40 °C, 60 min, 89 % (3 steps) Me See the Wittig…
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Q: 20. What is the best way to accomplish the following synthesis? ? (CH2=CHCH2)2Culi NAOH, H2O H2O,…
A: MECHANISM SHOWN BELOW
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Q: *NH OCH CI 7. Which would be the least reactive to nucleophiles? 8. Which will react with SOCI2 to…
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- Which statement describes why aldol reactions with ketones are low yielding? A.Ketones do not have acidic protons. B.Ketones are too electron poor at the carbonyl carbon. C.Ketones can attack other ketones well but perform poorly in self-condensations. D.The product of a ketone addition to a ketone has considerable steric strain.What types of species are the electrophile and nucleophile in an aldol addition? 1. Nu: ester, E+: carbonyl 2. Nu: carbonyl, E+: carbonyl 3. Nu: carbonyl, E+: ester 4. Nu: ester, E+: esterFor problem 8.17, all of the reactions will be SN2. For each reaction, identify and evaluate each nucleophile (strong? weak? Strong or weak as a base?) Also, evaluate each solvent as polar protic or polar aprotic. I recommend drawing the structure of each solvent. (g) Sodium methanethiolate (NaSCH3) in ethanol
- For problem 8.17, all of the reactions will be SN2. For each reaction, identify and evaluate each nucleophile (strong? weak? Strong or weak as a base?) Also, evaluate each solvent as polar protic or polar aprotic. I recommend drawing the structure of each solvent.For problem 8.17, all of the reactions will be SN2. For each reaction, identify and evaluate each nucleophile (strong? weak? Strong or weak as a base?) Also, evaluate each solvent as polar protic or polar aprotic. I recommend drawing the structure of each solvent. (d) Sodium cyanide in dimethyl sulfoxide (e) Sodium azide in aqueous ethanol (f) Sodium hydrogen sulfide in ethanolfor the theroretical yield is the mol correct? also using the aldol condensation reaction in this portion are we using the aldol condensation reaction to synthesize acetophenone and para-methybenzaldehye. acetophenone 0.5 g, 4.2 mmol Para-methylbenzaldehyde 0.5 g, 4.2 mmol NaOH=0.18g = 4.5 mol Theroretical yield=0.93g =0.0519 mol Percent yield=76.8% Actual yield= 0.715 g Melting point observered= 93 degree Celsius Expected melting point =93-94.5 degree Celsius
- What kind of reagent is KmnO4? Draw the possible reactions of this reagent with the specific compounds tested in the following reaction?Aldol Condensation What products are formed? What is the difference between aldol reactions and aldol condensation? What type of reaction condentionas are used?1) 2 possible enolates can form when using (CH3)3CO– as the base to form the enolate of the ketone pictured. a. Which term in each of the three sentences below is true regarding the favored enolate? Does the favored enolate form under irreversible or reversible conditions? Is the favored enolate more stable or the less stable enolate? Is the favored enolate kinetic or thermodynamic enolate? b. draw out the major enolates structure, please include both resonance contributors, and don't forget charges
- Is the reagent for all elimination reactions conc. H2SO4? or just the reactions ones with OH?10. What is the name of the angle that a nucleophile approaches the carbon on the C=O bond? Borge-Dante Bürgi–Dunitz Baran-Daly Bunsen-Debye6. Identify the best reagent(s) for this reaction. (see attached screenshot). a. H2SO4, HgSO4, H2O b. 1. Disiamylborane, 2. HO–, H2O2 c. K2Cr2O7, H+ d. NaOCl e. H2, Pd