Homework Answers
3.In this reaction, first step involves retention of configuration and second step has inversion.
4.
a)
b)
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3. For the reaction sequence shown below, give the product of each reaction and show the...
Give a reasonable synthesis for each of the following compounds from the indicated starting materials. You...
Give a reasonable synthesis for
each of the following compounds from the indicated starting
materials. You may use any other organic or inorganic reagents you
wish unless otherwise indicated. The desired product for each
reaction you propose must be the one of the predominant products.
Give the reactants, conditions (where appropriate) and products of
each synthetic step. If equal mixtures are anticipated (i.e. ortho
/ para products) then indicate where separations are needed. NO
MECHANISMS! [6 points
2. Give a...
Retrosynthetic Analysis 12. Give a reasonable synthesis for each of the following compounds from the indicated...
Retrosynthetic Analysis 12. Give a reasonable synthesis for each of the following compounds from the indicated starting materials. You may use any other organic or inorganic reagents you wish unless otherwise indicated. The desired product for each reaction you propose must be the one of the predominant products. Give the reactants, conditions (where appropriate) and products of each synthetic step. NO MECHANISMS! [8 points] NH ONH2 Make starting with
(14) V. Starting from benzene and any other reagents you need, propose an efficient synthesis of th following compound. (10) VI. Devise a synthesis that will accomplish the following transformati...
(14) V. Starting from benzene and any other reagents you need, propose an efficient synthesis of th following compound. (10) VI. Devise a synthesis that will accomplish the following transformation in good yield. Use the given compounds as the only organic source of carbon atoms. You may use any common organic solvents as well as any needed inorganic reagents
(14) V. Starting from benzene and any other reagents you need, propose an efficient synthesis of th following compound. (10) VI....
The retrosynthesis of 1,4-dicyanobutane is shown below. It can be synthesized from 1,4- butanediol. Propose a...
The retrosynthesis of 1,4-dicyanobutane is shown below. It can
be synthesized from 1,4- butanediol. Propose a multistep synthesis
for the formation of 1,4-dicyanobutane. Show the products of each
step of your sequence and include appropriate reagents/solvents
above/below each reaction arrow.
NCCN » HỌCOH
of the 15) 4. Show a sequence of reactions that will produce the molecule shown below,...
of the 15) 4. Show a sequence of reactions that will produce the molecule shown below, starting with ethyne as the only organic starting material. Any other organics used must be made from ethyne, but you can use any inorganic reagents or solvents
11. Propose a synthesis for each compound below. You must write in all necessary reactants, reagents,...
11. Propose a synthesis for each compound below. You must write in all necessary reactants, reagents, and solvents to receive full credit. Your starting materials must be 3 carbons or less. If you use an ionic or organometallic species, you must show how it was synthesized from a neutral, covalent species. Any species that adds carbon to your product must be synthesized from a molecule of 3 carbons or less. Only show the steps of your synthesis- do not put...
Design an effective synthesis for each of the following amino acids starting from the compounds shown...
Design an effective synthesis for each of the following amino acids starting from the compounds shown on the left. You may also use any monofunctional organic compound containing four or less carbon atoms, and any inorganic reagents in your syntheses.
7. Synthesis Problem (15 points) Show how you would synthesize 3 of the 4 following compounds...
7. Synthesis Problem (15 points) Show how you would synthesize 3 of the 4 following compounds in one chemical reaction. You may use any starting material you wish and any organic and inorganic reagents. Clearly indicate which ones you want graded by circling the molecules н, осн, Br ОН
Synthesis 10. Give a reasonable synthesis for the following compound from the indicated starting material. You...
Synthesis 10. Give a reasonable synthesis for the following compound from the indicated starting material. You may use any other organic or inorganic reagents you wish unless otherwise indicated. The desired product for each reaction you propose must be the one of the predominant products. Give the reactants, conditions (where appropriate) and products of each synthetic step. NO MECHANISMS! [6 points) Make med og som en ons starting with SO3H
Synthesize the two compounds shown below from 4 carbon or less alcohol, aldehyde, ketone or alkylhalide,...
Synthesize the two compounds shown below from 4 carbon or less alcohol, aldehyde, ketone or alkylhalide, calcium carbide, any inorganic reagents or solvents -сн,сH,сH,сH, но- -сн,сH,снсH, но-
Give a reasonable synthesis for
each of the following compounds from the indicated starting
materials. You may use any other organic or inorganic reagents you
wish unless otherwise indicated. The desired product for each
reaction you propose must be the one of the predominant products.
Give the reactants, conditions (where appropriate) and products of
each synthetic step. If equal mixtures are anticipated (i.e. ortho
/ para products) then indicate where separations are needed. NO
MECHANISMS! [6 points
2. Give a...
Retrosynthetic Analysis 12. Give a reasonable synthesis for each of the following compounds from the indicated starting materials. You may use any other organic or inorganic reagents you wish unless otherwise indicated. The desired product for each reaction you propose must be the one of the predominant products. Give the reactants, conditions (where appropriate) and products of each synthetic step. NO MECHANISMS! [8 points] NH ONH2 Make starting with
(14) V. Starting from benzene and any other reagents you need, propose an efficient synthesis of th following compound. (10) VI. Devise a synthesis that will accomplish the following transformation in good yield. Use the given compounds as the only organic source of carbon atoms. You may use any common organic solvents as well as any needed inorganic reagents
(14) V. Starting from benzene and any other reagents you need, propose an efficient synthesis of th following compound. (10) VI....
The retrosynthesis of 1,4-dicyanobutane is shown below. It can
be synthesized from 1,4- butanediol. Propose a multistep synthesis
for the formation of 1,4-dicyanobutane. Show the products of each
step of your sequence and include appropriate reagents/solvents
above/below each reaction arrow.
NCCN » HỌCOH
of the 15) 4. Show a sequence of reactions that will produce the molecule shown below, starting with ethyne as the only organic starting material. Any other organics used must be made from ethyne, but you can use any inorganic reagents or solvents
11. Propose a synthesis for each compound below. You must write in all necessary reactants, reagents, and solvents to receive full credit. Your starting materials must be 3 carbons or less. If you use an ionic or organometallic species, you must show how it was synthesized from a neutral, covalent species. Any species that adds carbon to your product must be synthesized from a molecule of 3 carbons or less. Only show the steps of your synthesis- do not put...
Design an effective synthesis for each of the following amino acids starting from the compounds shown on the left. You may also use any monofunctional organic compound containing four or less carbon atoms, and any inorganic reagents in your syntheses.
7. Synthesis Problem (15 points) Show how you would synthesize 3 of the 4 following compounds in one chemical reaction. You may use any starting material you wish and any organic and inorganic reagents. Clearly indicate which ones you want graded by circling the molecules н, осн, Br ОН
Synthesis 10. Give a reasonable synthesis for the following compound from the indicated starting material. You may use any other organic or inorganic reagents you wish unless otherwise indicated. The desired product for each reaction you propose must be the one of the predominant products. Give the reactants, conditions (where appropriate) and products of each synthetic step. NO MECHANISMS! [6 points) Make med og som en ons starting with SO3H
Synthesize the two compounds shown below from 4 carbon or less alcohol, aldehyde, ketone or alkylhalide, calcium carbide, any inorganic reagents or solvents -сн,сH,сH,сH, но- -сн,сH,снсH, но-
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