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Question 1 Identify the alkyne you would use to prepare each of the following compounds via...
Draw the diene that you would use to prepare the following compound via a ring-closing metathesis...
Draw the diene that you would use to prepare the following compound via a ring-closing metathesis reaction. ? Edit Analyze the structure of the product and determine which bond(s) can be made via a Heck reaction. "S 16 za como с Identify the starting organohalide and akene. Draw organohalide. Represent it as an iodide (because iodides are more reactive than bromides or chlorides): ? Edit Draw akene: ? Edit
Problem 16.33 Show how you would convert benzaldehyde into each of the compounds using the reagents...
Problem 16.33 Show how you would convert benzaldehyde into each of the compounds using the reagents (A - G) in the table below where necessary. H20+ PBrz NaBH4 A: (1) AICI: (2) H307 SOCI2 Ag(NH3)2 NHz/H20 B: C: D: LiAIH4 E: F: G: X Incorrect. (c) C6H5CHENNHC6H5 + CH stereoisomer (E)-1-phenyl-2-(phenylmethylidene)hydrazine A: PPhz Edit H3C X Incorrect. (d) CGHSCH=CHCH=CH2 H B (a Wittig reagent) B: ? Edit Problem 16.49 Compounds W and X are isomers; they have the molecular formula...
Draw a structural formula for the alkene you would use to prepare the alcohol shown by...
Draw a structural formula for the alkene you would use to prepare the alcohol shown by hydroboration/oxidation. CH OH CH3CH2CHCH2CH3 • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • In cases where there is more than one answer, just draw one. IRUVIUW Topics] [References] Draw a structural formula for the product formed upon hydroboration/oxidation of the alkene below. H3C CH3 CEC H2CH • Use wedge and hash bonds ONLY for...
20.49 Identify the reagents you would use to convert 1-bromopentane into each of the following compounds:...
20.49 Identify the reagents you would use to convert 1-bromopentane into each of the following compounds: (a) Pentanoic acid (b) Hexanoic acid (c) Pentanoyl chloride (d) Hexanamide (e) Pentanamide (f) Ethyl hexanoate
Question 1(Soalan 1) An alkyne A, 4-methyl-2-pentyne can be prepared via dehydrohalogenation of compound B in...
Question 1(Soalan 1) An alkyne A, 4-methyl-2-pentyne can be prepared via dehydrohalogenation of compound B in the presence of KOH. Hydroboration of alkyne A produces a mixture of ketones, Dand E Alkuna A, 4-me til-2-pentuna boleh disediakan melalui tindak balas pendehidrohalogenan sebatian B dalam kehadiran KOH. Penghidroboratan alkuna A menghasilkan campuran keton, D dan E a) Draw the structures of B, D and E. Lukis struktur bagi B, D dan E. b) Give the reagent/condition for the hydroboration reaction. Berikan...
22.30 Identify the reagents that you would use to produce each of the following compounds using...
22.30 Identify the reagents that you would use to produce each of the following compounds using a Claisen condensation: OEt OEt
3) Identify the reagents that you would use to produce the following compounds using a Claisen...
3) Identify the reagents that you would use to produce the
following compounds using a Claisen condensation.
4) For the following reaction, predict the major product and
propose a mechanism for its formation.
3. Identify the reagents that you would use to produce the following compounds using a Claisen condensation. 4. For each of the following reactions, predict the major product and propose a mechanism for its formation. 1) LDA. 2) CHal
6. Identify the aldehyde or ketone needed to make each of the following compounds via an...
6. Identify the aldehyde or ketone needed to make each of the following compounds via an aldol condensation. (a) CHO
2. Propose an elegant synthesis of the following molecule starting from terminal alkyne compounds of five...
2. Propose an elegant synthesis of the following molecule starting from terminal alkyne compounds of five carbons or fewer as your only source of carbon. You may use any other reagent necessary. CH3 CH3 H3C CH3
31. Identify the compounds in the following pair as structural isomers, same compound or different compounds....
31. Identify the compounds in the following pair as structural isomers, same compound or different compounds. (2 marks) by Tisdom and 32. Match the following physical and chemical properties with octane, C8H18, or magnesium sulfate, MgSO4 a. Contains only covalent bonds b. Melts at 1124 °C c. Is insoluble in water d. Is a liquid at room temperature e. Is a strong electrolyte (1 x 5 = 5 marks) 33. Write the IUPAC name(including cis or trans, if needed) for...
Draw the diene that you would use to prepare the following compound via a ring-closing metathesis reaction. ? Edit Analyze the structure of the product and determine which bond(s) can be made via a Heck reaction. "S 16 za como с Identify the starting organohalide and akene. Draw organohalide. Represent it as an iodide (because iodides are more reactive than bromides or chlorides): ? Edit Draw akene: ? Edit
Problem 16.33 Show how you would convert benzaldehyde into each of the compounds using the reagents (A - G) in the table below where necessary. H20+ PBrz NaBH4 A: (1) AICI: (2) H307 SOCI2 Ag(NH3)2 NHz/H20 B: C: D: LiAIH4 E: F: G: X Incorrect. (c) C6H5CHENNHC6H5 + CH stereoisomer (E)-1-phenyl-2-(phenylmethylidene)hydrazine A: PPhz Edit H3C X Incorrect. (d) CGHSCH=CHCH=CH2 H B (a Wittig reagent) B: ? Edit Problem 16.49 Compounds W and X are isomers; they have the molecular formula...
Draw a structural formula for the alkene you would use to prepare the alcohol shown by hydroboration/oxidation. CH OH CH3CH2CHCH2CH3 • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • In cases where there is more than one answer, just draw one. IRUVIUW Topics] [References] Draw a structural formula for the product formed upon hydroboration/oxidation of the alkene below. H3C CH3 CEC H2CH • Use wedge and hash bonds ONLY for...
20.49 Identify the reagents you would use to convert 1-bromopentane into each of the following compounds: (a) Pentanoic acid (b) Hexanoic acid (c) Pentanoyl chloride (d) Hexanamide (e) Pentanamide (f) Ethyl hexanoate
Question 1(Soalan 1) An alkyne A, 4-methyl-2-pentyne can be prepared via dehydrohalogenation of compound B in the presence of KOH. Hydroboration of alkyne A produces a mixture of ketones, Dand E Alkuna A, 4-me til-2-pentuna boleh disediakan melalui tindak balas pendehidrohalogenan sebatian B dalam kehadiran KOH. Penghidroboratan alkuna A menghasilkan campuran keton, D dan E a) Draw the structures of B, D and E. Lukis struktur bagi B, D dan E. b) Give the reagent/condition for the hydroboration reaction. Berikan...
22.30 Identify the reagents that you would use to produce each of the following compounds using a Claisen condensation: OEt OEt
3) Identify the reagents that you would use to produce the
following compounds using a Claisen condensation.
4) For the following reaction, predict the major product and
propose a mechanism for its formation.
3. Identify the reagents that you would use to produce the following compounds using a Claisen condensation. 4. For each of the following reactions, predict the major product and propose a mechanism for its formation. 1) LDA. 2) CHal
6. Identify the aldehyde or ketone needed to make each of the following compounds via an aldol condensation. (a) CHO
2. Propose an elegant synthesis of the following molecule starting from terminal alkyne compounds of five carbons or fewer as your only source of carbon. You may use any other reagent necessary. CH3 CH3 H3C CH3
31. Identify the compounds in the following pair as structural isomers, same compound or different compounds. (2 marks) by Tisdom and 32. Match the following physical and chemical properties with octane, C8H18, or magnesium sulfate, MgSO4 a. Contains only covalent bonds b. Melts at 1124 °C c. Is insoluble in water d. Is a liquid at room temperature e. Is a strong electrolyte (1 x 5 = 5 marks) 33. Write the IUPAC name(including cis or trans, if needed) for...
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