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![2. Write reasonable mechanisms for the following reactions, using curved arrows to show movements of
electrons. Do not combine steps.
(a)
CH,
CH,
R.
(See ref. 9c)
V (e)
-70°C
(R.F. Brown et al., Tetrahedron Lett., 35, 4405 [1994])
(d) Account for the ease with which reaction 2c takes place.
(e)
1) A
2) H,SO,
CH,=CH-COCH, .
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- Give detailed answer- Provide example of compound that fulfil each criteria below. Explain why-A)1,2-disconnectionB)1,4-disconnectionC)1,5-disconnectionD)1,6-disconnectionGive evidence and prove that E2 reactions are predominantly anti-elimination.Give evidence and prove that E2 reactions are predominantly anti-elimination, and there is a relation between conformation and reactivity.
- EXPLAIN BY WORDS IN ORDER FOR ME TO UNDERSTAND THE GENERAL REACTION SCHEME. IN THIS CROSS-COUPLING REACTION WHICH ORGANOHALIDE (R-X) REACTS WITH ORGANOBORANE [R1B(OR)2].1. In which of the following tests/reagents would cyclohexene and hexane both yield a positive result? I. t-BuCl in AlCl3 II. Br2 in light III. Halogenation by I2 in KI IV. KMnO4 2. Which of the following is statements is/are TRUE about the experiment on the relative rates of electrophilic aromatic substitution?I. The experiment must be performed in dark conditions. II. Using the same solvents, a faster decolorization will be observed in aniline as compared to ethylbenzene. III. Chlorobenzene will react faster than methoxybenzene. IV. The use of AlCl3 in the halogenation of aromatic compounds using elemental bromine could hasten the reaction.5. Write a Full synthesis of diclofenac sodium in details (the reagents and the name of the reactions in each steps) with the reliable reference.
- can i get help drawing out actual structures including the nucleophilic addition of Cy2NH to parafomaldehyde and its hemiaminal intermidiate and the condensation step when it is displaced by terminal alkyne forming allene, also what is dioxane getting rid of as the solvent, thanks] The reaction of 2-bromopropane and sodium ethoxide in ethanol reacts 6.7 times faster than 2-bromo-1-deuteriopropane under the same conditions. Explain what mechanism this data is consistent with, and why3) Outline an acceptable step by step mechanism for the Nucleophilic aromatic substitution of ortho-fluoronitrobenzene with methylamine. Do not forget to include the formal charges of all non-hydrogen atoms that do not have a neutral charge.
- Given the sequence of reactions shown below assume the reactions are stoichiometric fill in the reagents needed for steps A B and C and explain what happens in each step of the reactions, by also nameArrange the structure on the image with regard to the reactivity towards hydrolysis. 1 being the least and 3 being the mostA fifth compound was studied but not included in the table (see paragraph II) 1,1-dibromoethylbenzene. This compound gave only substitution products following an mechanism. Suggest why this compound would react preferably via SN1 mechanism and not SN2? Give structures to support your conclusion.