22_2510_PSet2_Extraction

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What are the names for each structure?

3) In the mid-1930s, the German theoretical chemist Erich Hückel developed a rule that dealt with the aromaticity of various compounds, which became known as the Hückel Rule. Which (parts) of the compounds listed below are aromatic? Justify your answer based on Hückel's rule. You can treat the rings separately or together as you wish.image iv: colchicine: a highly poisonous alkaloid,obtained from autumn turmeric and used to treat gout.

3) In the mid-1930s, the German theoretical chemist Erich Hückel developed a rule that dealt with the aromaticity of various compounds, which became known as the Hückel Rule. Which (parts) of the compounds listed below are aromatic? Justify your answer based on Hückel's rule. You can treat the rings separately or together as you wish.   IMAGE IV: colchicine: a highly poisonous alkaloid, obtained from autumn turmeric and used to treat gout.

1 i. What is Resonance Theory? Sate five conclusions that can be drawn from the theory. ii. State the two main experiments that were used to establish the extra stability of the benzene molecule. iii. What are the factors that confer Aromaticity to an organic molecule? iv. State the effects of substituents on a benzene derivative towards further aromatic substitution.  V. Based on the above suggest the various types of substituents that can be attached to Benzene.

Solve the following question and its subparts with detailed answers

Please help w/ IUPAC naming. I also need help providing E/Z  prefixes where applicable. If you could please answer all practice questions with explanations I would really appreciate it.

3)  In the mid-1930s, the German theoretical chemist Erich Hückel developed a rule that dealt with the aromaticity of various compounds, which became known as the Hückel Rule. Which (parts) of the compounds listed below are aromatic? Justify your answer based on Hückel's rule. You can treat the rings separately or together as you wish.

2. Use the spectroscopic data provided below to answer the questions.a. Determine the structure of C5H8O from the IR and NMR data given.IR: 3023 cm-1, 1685 cm-1, 1619 cm-1. 13C-NMR: 7.9 ppm, 32.9 ppm, 127.7 ppm, 136.5 ppm, 201.1 ppm1H-NMR: 1.1 ppm (t, 3H), 2.6 ppm (q, 2H), 5.8 ppm (d, 1H), 6.23 ppm (d, 1H), 6.34 (t, 1H)b. Identify all of the Lewis acid sites and the Lewis base sites on your molecule.

question 17

Which of the following compounds would you predict to be more stable? Explain your reasoning. NH .. 0:

Number the following compounds in order of increasing pKa value. (Number the most acidic compound 1.)

7. Answer all parts of this question. The synthesis of the drug minoxidil is shown below. Minoxidil is a K+ channel opener and vasodilator used in the treatment of hair loss. CI NH2 POCI3 NH3 HN NH [6] CI CI [7] CI NH2 (13) (14) [8] MCPBA NH2 NH NH2 No N. NH2 [9] CI NH2 (15) Minoxidil (a) The synthesis of compound (13) is achieved using three molar equivalents of phosphoryl chloride. This reaction [6] proceeds via a mechanism similar to that seen in the Vilsmeier reaction. Provide a complete mechanism for the substitutions of all three oxygens. What is the driving force for this reaction [6]? NN 8.

Please help with the following... Draw the bond line structures for the reactants and the products obtained in the following reactions: 1. m-chlorocumene +NaNiPr2, HNiPr2 2. 4-tertbutyl-3-methyl anisole + HNO3, H2SO4 3. o-isopropyl acetophenone + PhCH2COCl, AlCl3

D and e and f answer

Please help

Please help me in answering this organic chemistry question. Explanations are welcome.

V C

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question 17

question 16

Given all the following information, please fill out everything i didn't I am trying to use this to study and I am very confused, everything I have filled out is correct I confirmed with my professor, but I am so confused on the rest of it

Determine whether each of the compounds below is aromatic (A), antiaromatic (AA) or non-aromatic (NA). Assume all structures are planar.

A. Phenol is nearly 100 million (108) times more acidic than cyclohexanol (EXPLAIN). B. Why are the following conversions poor synthetic methods to prepare the desired products? Br ONa + Doesnot give C. Classify the following compounds as aromatic, antiaromatic, or nonaromatic assume each is planner.

Please provide detailed solution and give the explanation of the concept.........

What is Resonance Theory? Sate five conclusions that can be drawn from the theory. State the two main experiments that were used to establish the extra stability of the benzene molecule. What are the factors that confer Aromaticity to an organic molecule? i. State the effects of substituents on a benzene derivative towards further aromatic substitution.  Based on the above suggest the various types of substituents that can be attached to Benzene. What are the various ways by which alkenes may be synthesized? i. Give two examples each of Unsymmetrical alkenes and reagents. Give two examples of reactions of alkenes that result in Anti-Markonikov’s addition products

Mm.56.

Which statement concerning the substances below is correct? A) Compound I is non-aromatic. B) Compounds II and IV are aromatic. C) Compounds I and Ill are anti-aromatic. D) Compound II is anti-aromatic.

Directions: I. A list of seven organic compounds is given above. Write the letter corresponding compound: 1. An ester 2. An aldehyde 3. An alcohol 4. An amide A CH3CH₂COOH CH3CH(OH)CH₂CH3 C CH3COOCH3 CH3CH₂COCH2CH3 B D E CH3CH2CONH2 F H₂NCH₂CH₂CH3 G C6H5CHO 5. An acid 6. An aromatic compound 11. Which two compounds are structural isomers? and

Part 3B Set 1. Can 1H NMR spectroscopy be used to differentiate between the two compounds? Briefly explain why or why not. Predict the 1H NMR spectrum for each compound (include integration, multiplicity, and approximate chemical shift). Either draw the actual spectrum or put in a data table format.

2. The molecular structure of perylene (see below) contains 20 m-electrons, which is not a Hückel number. Nonetheless, this compound is aromatic. Explain. 88 perylene