Homework Answers
Drawn below is a possible mechanism for the above shown reaction. The first step is loss of N2 from the substrate. Intermolecular reaction of the two substrates is then proceeded under heating condition to give the desired product as shown below.
Provide the product for the following reaction. CO2Me D MeOC= heat heat
Provide the product
for the following reaction.
CO2Me D MeOC= heat heat
Provide the product for the following reaction. CO2Me D MeOC= heat heat
Provide the product for the following reaction.
CO2Me D MeOC= heat heat
Draw the full arrow-pushing mechanism for the completion steps of the synthesis of Corymine MeOC CO2Me...
Draw the full arrow-pushing mechanism for the completion steps
of the synthesis of Corymine
MeOC CO2Me c) KBH4 d) Cs2CO3 .IIIlll MeO2 CO2Me a) MSOH b) NaBH3CN HCHO N7" 'N 75% III N7|'N 92% CO2Me HO, CO2Me IIIIIIII e) DIBAL-H 84% (+)-corymine [(+)-4] (X-ray)
Help with this mechanism please. Structure of LDA is shown and there should be an acid...
Help with this mechanism please. Structure of LDA is shown and
there should be an acid work up step.
4) In 1999, Ihara et al. reported the construction of the tricyclodecane (shown below). Please provide a mechanism for the reaction. Use only one step per structure. Lu CO2Me Please provide structure of Lithium Diisopropylamide Provide Mechanism
Propose an arrow pushing mechanism for the following reactions. CO2me cO,me Li ir
Propose an arrow pushing mechanism for the following
reactions.
CO2me cO,me Li ir
B) Please provide a mechanism for the below transformation (8 points). OH NaoMe MeOH, Heat
B) Please provide a mechanism for the below transformation (8 points). OH NaoMe MeOH, Heat
(e) Consider the following reaction sequence: ÇO2Me [4+2] Retro-[4+2] CO2Me MeOzca - E CO2Me CO2Me (i)...
(e) Consider the following reaction sequence: ÇO2Me [4+2] Retro-[4+2] CO2Me MeOzca - E CO2Me CO2Me (i) (ii) Draw the tricyclic intermediate F. Identify compound G and provide mechanistic arrows to describe its formation from tricycle F. [4 marks]
Please show detailed arrow-pushing mechanism. Thanks in advance, best regards. OH B) Please provide a mechanism...
Please show detailed arrow-pushing
mechanism.
Thanks in advance, best regards.
OH B) Please provide a mechanism for the below transformation (8 points). NaoMe Y MeOH, Heat MeOH, Heat
5. (6 points) Please provide a step-by-step mechanism for the following transformations. Ol. (H+) .
5. (6 points) Please provide a step-by-step mechanism for the following transformations. Ol. (H+) .
Please help provide stepwise mechanisms for each product with arrows 1. (5.75pts) Provide a stepwise mechanism showing h...
Please help provide stepwise
mechanisms for each product with arrows
1. (5.75pts) Provide a stepwise mechanism showing how each of the products below are formed OH H,SO
Provide the product
for the following reaction.
CO2Me D MeOC= heat heat
Provide the product for the following reaction.
CO2Me D MeOC= heat heat
Draw the full arrow-pushing mechanism for the completion steps
of the synthesis of Corymine
MeOC CO2Me c) KBH4 d) Cs2CO3 .IIIlll MeO2 CO2Me a) MSOH b) NaBH3CN HCHO N7" 'N 75% III N7|'N 92% CO2Me HO, CO2Me IIIIIIII e) DIBAL-H 84% (+)-corymine [(+)-4] (X-ray)
Help with this mechanism please. Structure of LDA is shown and
there should be an acid work up step.
4) In 1999, Ihara et al. reported the construction of the tricyclodecane (shown below). Please provide a mechanism for the reaction. Use only one step per structure. Lu CO2Me Please provide structure of Lithium Diisopropylamide Provide Mechanism
Propose an arrow pushing mechanism for the following
reactions.
CO2me cO,me Li ir
B) Please provide a mechanism for the below transformation (8 points). OH NaoMe MeOH, Heat
(e) Consider the following reaction sequence: ÇO2Me [4+2] Retro-[4+2] CO2Me MeOzca - E CO2Me CO2Me (i) (ii) Draw the tricyclic intermediate F. Identify compound G and provide mechanistic arrows to describe its formation from tricycle F. [4 marks]
Please show detailed arrow-pushing
mechanism.
Thanks in advance, best regards.
OH B) Please provide a mechanism for the below transformation (8 points). NaoMe Y MeOH, Heat MeOH, Heat
5. (6 points) Please provide a step-by-step mechanism for the following transformations. Ol. (H+) .
Please help provide stepwise
mechanisms for each product with arrows
1. (5.75pts) Provide a stepwise mechanism showing how each of the products below are formed OH H,SO
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