Homework Answers
1. Option A, example for electrophilic addition by Markonikoff addition
2. Option C, hydroboration oxidation by Antimarkonikoff addition
3. Option C , electrophilic addition of Cl2
4 . Option A , electrophilic addition
5. Option
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Which reagents are needed to complete the following synthesis? Make sure that your wer would result...
COBT1405170 Which reagents are needed to complete the following synthesis? Make sure that your answer would...
COBT1405170 Which reagents are needed to complete the following synthesis? Make sure that your answer would result in synthetically useful yields (le, >50% yield). H,504, H,0 HB, H,02 HBr Br, H2O 1) BH, THF; 2) NaOH, HOOH HB, H, 1) Hg(OAch, H,0; 2) NaBH None of these reagents will complete this reaction
Complete the following reaction sequences by drawing the major products or reagents needed to make them....
Complete the following reaction
sequences by drawing the major products or reagents needed to make
them.
2. (2 4 pts) Complete the following reaction sequences by drawing the major products or the reagents necessary to make them. Be sure to include stereochemistry when appropiate Br2 H20 Br HBr NaNH2 b. H202 m-CPBA c.
Complete the multi-step synthesis below. Be specific when providing reagents (numbers) and products (letters). Make sure...
Complete the multi-step synthesis below. Be specific when providing reagents (numbers) and products (letters). Make sure to indicate stereochemistry where relevant. Space for answers is on the next page. We were unable to transcribe this image1) Br, hv 2) NaOEt, heat 5 D Br F Br2 (ехcess) 7 F H tautomerization
Complete the following reaction sequences by drawing the major products or the reagents necessary to make...
Complete the following reaction sequences by drawing the major
products or the reagents necessary to make them. Be sure to include
stereochemistry when appropriate.
1. (48 pts) Complete the following reaction sequences by drawing the major products or the reagents necessary to make them. Be sure to include stereochemistry when appropriate. HBr Benzene FeBr3 HO NaH DMF hv NaNH2 2 BnBr CH2Cl2 Benzene Br2 cat. H+ H2o Ph NaOH NBS H Br H20 hv
Complete the following synthesis by selecting from the list of 14 reagents below. Each reagent (or...
Complete the following synthesis by selecting from the list of 14 reagents below. Each reagent (or set of reagents) is labeled as a letter. In the answer box, simply place the order of reagents used as uppercase letters. For example, if your synthesis involves using reagent A followed by B and then C, and then D, your answer would be: ABCD. OLU SO3 Br2 PBra OH H2PO2 1. LiAlH4 2. H20 NaNO2 HCI H2SO4 FeBrz H2O, heat HNO3 NaBH3CN NBS...
Alkene reaction and mechanisms practice exercise 1) O₃ 2) (CH3)2S 25) Treatment of cyclopentene with peroxybenzoic...
Alkene reaction and mechanisms practice exercise
1) O₃ 2) (CH3)2S 25) Treatment of cyclopentene with peroxybenzoic acid A) results in oxidative cleavage of the ring to produce an acyclic compound B) yields a meso epoxide C) yields an equimolar mixture of enantiomeric epoxides D) gives the same product as treatment of cyclopentene with Os04 E) none of the above 26) Provide a detailed, step-by-step mechanism for the reaction shown below. но Br2 na + HBT Br 27) Provide a detailed,...
Synthesis of crude product. 1. Combine reagents (following either step A or B, depending on the...
Synthesis of crude product.
1. Combine reagents (following either step A or B, depending on the
benzaldehyde assigned to
you). It is best not to use a brand-new conical vial right out
of the package, as the surface is not rough enough to help induce
precipitation.
A. In a 5-mL conical vial, combine 0.15 g of 3-nitrobenzaldehyde
(151.121 g/mol), 0.12 mL
of acetophenone (120.151 g/mol; d = 1.03 g/mL), and 0.80 mL of
95% ethanol.
OR
B. Pipette 0.13 mL...
Make sure the reaction table described above is completed in your notebook.
Prelab questions:1. Make sure the reaction table described above is completed in your notebook.2. Two benzaldehyde molecules combine with one acetone molecule in this aldol reaction. If someone uses 5.0 mL of benzaldehyde and 2.5 mL of acetone to try to improve the yield of product, is this the correct ratio of molecules so that there is no excess? Why or why not?The Aldol Reaction: Synthesis of DibenzalacetonePurpose: Introduce the student to the hands-on chemistry of carbonyl condensations.Warning: Dispose of...
Determine the yield limiting reagent and the theoretical yield for the following multistep synthesis from the reaction of ethyl acetoacetate. Draw the chemical complete chemical reaction and mechanism...
Determine the yield limiting reagent and the theoretical yield for the following multistep synthesis from the reaction of ethyl acetoacetate. Draw the chemical complete chemical reaction and mechanism of Product C (determined to be 4-hydroxy-4 4-diphenylbutan-2-one) to Product E provided the procedure below. Procedure Step 4B [Product C to Product E] Place product [C] (0.5 g) in a 50 mL round bottomed flask, add acetone (15 mL), and concentrated HCl (2.5 mL). Boil under reflux on a water bath for...
Postlab Questions Answer the following questions on a separate sheet or in your lab notebook. Make...
Postlab Questions Answer the following questions on a separate sheet or in your lab notebook. Make sure that the copy page is readable! D) Calculate the percentage yield for both reactions. Show all calculations. 2) What is the color of the reaction at the beginning of reaction? What causes the color? 3) Why do you dissolve maleic acid in diethyl ether and fumaric acid in water? 4) Give the complete reaction mechanisms for the formation of meso and racemic 2,3-...
COBT1405170 Which reagents are needed to complete the following synthesis? Make sure that your answer would result in synthetically useful yields (le, >50% yield). H,504, H,0 HB, H,02 HBr Br, H2O 1) BH, THF; 2) NaOH, HOOH HB, H, 1) Hg(OAch, H,0; 2) NaBH None of these reagents will complete this reaction
Complete the following reaction
sequences by drawing the major products or reagents needed to make
them.
2. (2 4 pts) Complete the following reaction sequences by drawing the major products or the reagents necessary to make them. Be sure to include stereochemistry when appropiate Br2 H20 Br HBr NaNH2 b. H202 m-CPBA c.
Complete the multi-step synthesis below. Be specific when providing reagents (numbers) and products (letters). Make sure to indicate stereochemistry where relevant. Space for answers is on the next page. We were unable to transcribe this image1) Br, hv 2) NaOEt, heat 5 D Br F Br2 (ехcess) 7 F H tautomerization
Complete the following reaction sequences by drawing the major
products or the reagents necessary to make them. Be sure to include
stereochemistry when appropriate.
1. (48 pts) Complete the following reaction sequences by drawing the major products or the reagents necessary to make them. Be sure to include stereochemistry when appropriate. HBr Benzene FeBr3 HO NaH DMF hv NaNH2 2 BnBr CH2Cl2 Benzene Br2 cat. H+ H2o Ph NaOH NBS H Br H20 hv
Complete the following synthesis by selecting from the list of 14 reagents below. Each reagent (or set of reagents) is labeled as a letter. In the answer box, simply place the order of reagents used as uppercase letters. For example, if your synthesis involves using reagent A followed by B and then C, and then D, your answer would be: ABCD. OLU SO3 Br2 PBra OH H2PO2 1. LiAlH4 2. H20 NaNO2 HCI H2SO4 FeBrz H2O, heat HNO3 NaBH3CN NBS...
Alkene reaction and mechanisms practice exercise
1) O₃ 2) (CH3)2S 25) Treatment of cyclopentene with peroxybenzoic acid A) results in oxidative cleavage of the ring to produce an acyclic compound B) yields a meso epoxide C) yields an equimolar mixture of enantiomeric epoxides D) gives the same product as treatment of cyclopentene with Os04 E) none of the above 26) Provide a detailed, step-by-step mechanism for the reaction shown below. но Br2 na + HBT Br 27) Provide a detailed,...
Synthesis of crude product.
1. Combine reagents (following either step A or B, depending on the
benzaldehyde assigned to
you). It is best not to use a brand-new conical vial right out
of the package, as the surface is not rough enough to help induce
precipitation.
A. In a 5-mL conical vial, combine 0.15 g of 3-nitrobenzaldehyde
(151.121 g/mol), 0.12 mL
of acetophenone (120.151 g/mol; d = 1.03 g/mL), and 0.80 mL of
95% ethanol.
OR
B. Pipette 0.13 mL...
Postlab Questions Answer the following questions on a separate sheet or in your lab notebook. Make sure that the copy page is readable! D) Calculate the percentage yield for both reactions. Show all calculations. 2) What is the color of the reaction at the beginning of reaction? What causes the color? 3) Why do you dissolve maleic acid in diethyl ether and fumaric acid in water? 4) Give the complete reaction mechanisms for the formation of meso and racemic 2,3-...
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