Select the method that would be successful in producing the product starting from the given reactant in good yield
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Select the method that would be successful in producing the
product starting from the given reactant...
Select the method(s) that would be successful in producing the product starting from the given reactant...
Select the method(s) that would be successful in producing the product starting from the given reactant in good yield. Note: The steps in a method are written in the order carried out. -OH Method I: (a)CrOz/H+,(b)CH2MgBr,(C)H30+,(d)CrOz/H. Method II:(a)PBr3, (b) Mg, (c)CO2, (d)H307, (e)CH2MgBr, (f)H20+. Method III:(a)PBr3, (b)Mg, (C)HCOCH3,(d)H307, (e) CrOz/H. Method IV:(a)Dess-Martin reagent, (b)CH3CHPPh3, (c)03, (d)Zn/H+. O Method III Method 1,111 and IV Method Ill and IV O Method I and III Method IV
MUIDUELI RUVUS) Wat would be successful in producing the product starting from given reactant in good...
MUIDUELI RUVUS) Wat would be successful in producing the product starting from given reactant in good yield. Note: The steps in a method are written in the order carried out. -CH= CH- Method I: (a)Mg.(b)C02/C)H30*, (d)LiAiH, (e)H30.(0) Dess-Martin reagent, (g)Phypt "CHCH(CH3)2. Method II:(a)Mg.(b)CNCH2CH(CH3)2, (c)H30* (d)NaBH4. (e)H30*, (OPOCly/pyridine. Method II:(a)Mg, (b)HCOCH,CH,CH(CH3)2. (c)H30*.()POC1z/pyridine. Method IV:(a)Mg.(b)CO2, (c)BCH2CH(CH3)2/Mg. (d)H30*.(e)POCIy/pyridine. O Method II Method IV Method I Method III
Select the end product of the given synthetic method starting with the given reactant. Note: The...
Select the end product of the given synthetic method starting with the given reactant. Note: The steps in a method are written in the order carried out. Multisteps: (a)03,(b)Zn/H30+,(C)NH2NH2/OH* (excess). NH NH None of the choices OIV OL O III OII
le chatelier experimen Thursday). 1. What starting material and reagents are needed for the following multi-s...
le
chatelier experimen
Thursday). 1. What starting material and reagents are needed for the following multi-step synthesis (HINT: aldol reactions work best when the starting material can only form one enolate)? 5 он о D. NaOH, H2O, Heat F. HO E. NaOH, H2O G. LDA Starting Material: Reagents: 2. LDA is a strong, sterically hindered base and will form the enolate. Sodium hydride is a weak base and will form the _ - enolate. Kinetic enolates are the stable and...
Starting from acetoacetic ester, list in order (by letter, no period), the given reagents require...
Starting from acetoacetic ester, list in order
(by letter, no period), the given reagents required to synthesize
each of the following.
Note: not all steps may be necessary. If a step is not needed, type
'na'.
HO MeOH, H2SO4 (1)ONa (2) Mel OH (2) Br НА OEt (1) LDA (2) CH3l (1) Mg (2) H3o (1) HO, H2O, heat (2) H3ot (2) Mel (1)︿ONa (1) NaH heat (2) CcH5、 .cl NaBH4 CO2 ()ONa (1 ) LiAlH4 (2) H3Ot 1ONa PBr3...
Select the major end product of the following multi-steps starting with 2- methylcyclohexanol as a reactant....
Select the major end product of the following multi-steps starting with 2- methylcyclohexanol as a reactant. (Note: The steps in a method are written in the order carried out.) Multisteps: (a)CrOz/H, (b)CH2Cl/Mg, (c)H307, (d)POCI3/pyridine. aaaa 111 OIV O None O II O! O III
Provide the alkyne starting material A, intermediate organic product B, and identify the reagents. Select answer P...
Provide the alkyne starting material A, intermediate organic
product B, and identify the reagents.
Select answer PCC Hz, pd/c 1) I2 2) NaOH 1) CH3MgBr 2) H3O+ CH2I2,, Zn (Cu) Hz, Landler catalyst 1) O3 2) Zn, H2o Mg, either Na/ EtNH2Provide the alkyne starting material A, intermediate organic product B, and identify the reagents.
3. (3x10-30 points) Reactions. Give the product structure of following reactions, indicate stereochemistry where appropriate. A)...
3. (3x10-30 points) Reactions. Give the product structure of following reactions, indicate stereochemistry where appropriate. A) + Ph2pt-CHCH3 i. EtMgBr (excess) B) . H3o i. NaOEt Eto C) ii. H,O i. LDA D) i. C2Hs C12, hv E) Me AlC F) NaOEt OEt Ni, H2 H) heat OEt NaOEt EtO OEt Br
Practice Problem 22.68b Starting with benzene, show how you would prepare the following compound: NH2 NH2...
Practice Problem 22.68b Starting with benzene, show how you would prepare the following compound: NH2 NH2 cl 1) HNO3, H2SO4 2)? Compound A Cla 3)? 4) ? 5) H30* Choose from the following list of reagents: A B с D Fe, H3O+ CuCN LDA H30+ E F G H NaOH, heat NaOEt/EtOH H20 HCI, Zn[Hg), heat J K L CO2 NaNH2, NH3 [H] NaBH3CN NaNO2 HCI
2) Multistep syntheses. Starting from the indicated reactant, and using ONLY the reagents below, outline a...
2) Multistep syntheses. Starting from the indicated reactant, and using ONLY the reagents below, outline a synthesis for cach requested product. IN ALL CASES. draw the structure of the product of EACH step, giving the number of the reagent needed to prepare that product from its precursor and.. i) İİ) draw the structure of the final product Cl2 Br HNO3 R-CI 2 R CH34 1) KMno, Hos 2) H30 workup R CH3CH2CH210 な-11 R (CH3)3C-12 HCl 19 13 Br2/hv or...
Select the method(s) that would be successful in producing the product starting from the given reactant in good yield. Note: The steps in a method are written in the order carried out. -OH Method I: (a)CrOz/H+,(b)CH2MgBr,(C)H30+,(d)CrOz/H. Method II:(a)PBr3, (b) Mg, (c)CO2, (d)H307, (e)CH2MgBr, (f)H20+. Method III:(a)PBr3, (b)Mg, (C)HCOCH3,(d)H307, (e) CrOz/H. Method IV:(a)Dess-Martin reagent, (b)CH3CHPPh3, (c)03, (d)Zn/H+. O Method III Method 1,111 and IV Method Ill and IV O Method I and III Method IV
MUIDUELI RUVUS) Wat would be successful in producing the product starting from given reactant in good yield. Note: The steps in a method are written in the order carried out. -CH= CH- Method I: (a)Mg.(b)C02/C)H30*, (d)LiAiH, (e)H30.(0) Dess-Martin reagent, (g)Phypt "CHCH(CH3)2. Method II:(a)Mg.(b)CNCH2CH(CH3)2, (c)H30* (d)NaBH4. (e)H30*, (OPOCly/pyridine. Method II:(a)Mg, (b)HCOCH,CH,CH(CH3)2. (c)H30*.()POC1z/pyridine. Method IV:(a)Mg.(b)CO2, (c)BCH2CH(CH3)2/Mg. (d)H30*.(e)POCIy/pyridine. O Method II Method IV Method I Method III
Select the end product of the given synthetic method starting with the given reactant. Note: The steps in a method are written in the order carried out. Multisteps: (a)03,(b)Zn/H30+,(C)NH2NH2/OH* (excess). NH NH None of the choices OIV OL O III OII
le
chatelier experimen
Thursday). 1. What starting material and reagents are needed for the following multi-step synthesis (HINT: aldol reactions work best when the starting material can only form one enolate)? 5 он о D. NaOH, H2O, Heat F. HO E. NaOH, H2O G. LDA Starting Material: Reagents: 2. LDA is a strong, sterically hindered base and will form the enolate. Sodium hydride is a weak base and will form the _ - enolate. Kinetic enolates are the stable and...
Starting from acetoacetic ester, list in order
(by letter, no period), the given reagents required to synthesize
each of the following.
Note: not all steps may be necessary. If a step is not needed, type
'na'.
HO MeOH, H2SO4 (1)ONa (2) Mel OH (2) Br НА OEt (1) LDA (2) CH3l (1) Mg (2) H3o (1) HO, H2O, heat (2) H3ot (2) Mel (1)︿ONa (1) NaH heat (2) CcH5、 .cl NaBH4 CO2 ()ONa (1 ) LiAlH4 (2) H3Ot 1ONa PBr3...
Select the major end product of the following multi-steps starting with 2- methylcyclohexanol as a reactant. (Note: The steps in a method are written in the order carried out.) Multisteps: (a)CrOz/H, (b)CH2Cl/Mg, (c)H307, (d)POCI3/pyridine. aaaa 111 OIV O None O II O! O III
Provide the alkyne starting material A, intermediate organic
product B, and identify the reagents.
Select answer PCC Hz, pd/c 1) I2 2) NaOH 1) CH3MgBr 2) H3O+ CH2I2,, Zn (Cu) Hz, Landler catalyst 1) O3 2) Zn, H2o Mg, either Na/ EtNH2Provide the alkyne starting material A, intermediate organic product B, and identify the reagents.
3. (3x10-30 points) Reactions. Give the product structure of following reactions, indicate stereochemistry where appropriate. A) + Ph2pt-CHCH3 i. EtMgBr (excess) B) . H3o i. NaOEt Eto C) ii. H,O i. LDA D) i. C2Hs C12, hv E) Me AlC F) NaOEt OEt Ni, H2 H) heat OEt NaOEt EtO OEt Br
Practice Problem 22.68b Starting with benzene, show how you would prepare the following compound: NH2 NH2 cl 1) HNO3, H2SO4 2)? Compound A Cla 3)? 4) ? 5) H30* Choose from the following list of reagents: A B с D Fe, H3O+ CuCN LDA H30+ E F G H NaOH, heat NaOEt/EtOH H20 HCI, Zn[Hg), heat J K L CO2 NaNH2, NH3 [H] NaBH3CN NaNO2 HCI
2) Multistep syntheses. Starting from the indicated reactant, and using ONLY the reagents below, outline a synthesis for cach requested product. IN ALL CASES. draw the structure of the product of EACH step, giving the number of the reagent needed to prepare that product from its precursor and.. i) İİ) draw the structure of the final product Cl2 Br HNO3 R-CI 2 R CH34 1) KMno, Hos 2) H30 workup R CH3CH2CH210 な-11 R (CH3)3C-12 HCl 19 13 Br2/hv or...
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