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- (d) Illustrate and briefly explain the mechanism of reaction II.Propose a mechanism and use stability factors to account for the formation of a major product in the reaction of pyrrole with Br2, FeBr3.Arrange the structure on the image with regard to the reactivity towards hydrolysis. 1 being the least and 3 being the most
- Doxaprost, an orally active bronchodilator patterned after the natural prostaglandins , is synthesized in the following series of reactions starting with ethyl 2-oxocyclopentanecarboxylate. Except for the Nef reaction in Step 8, we have seen examples of all other types of reactions involved in this synthesis. Q. Propose a set of experimental conditions to bring about the alkylation in Step 1. Account for the regioselectivity of the alkylation (i.e., that it takes place on the carbon between the two carbonyl groups rather than on the other side of the ketone carbonyl).Please give the mechanism of all the reaction. Thanks in advance!Determine the reagents A, B, C, D, E and the structure of compounds I, II, II in the reaction below
- Give the major organic product of the following reaction sequences (d & e).How many distinct alkene products are possible when the alkyl iodide below undergoes E2 elimination?(a) Illustrate the following name reactions giving suitable example in each case :(i) Clemmensen reduction (ii) Hell-Volhard-Zelinsky reaction(b) How are the following conversions carried out?(i) Ethylcyanide to ethanoic acid (ii) Butan-l-ol to butanoic acid(iii) Benzoic acid to m-bromobenzoic acid
- Compound A (C9H12) absorbed 3 equivalents of H2 on catalytic reduction over a palladium catalyst to give B(C9H18). On ozonolysis, compound A gave, among other things, a ketone that was identified as cyclohexanone. Ontreatment with NaNH2 in NH3, followed by addition of iodomethane, compound A gave a new hydrocarbon, C(C10H14 ) . What are the structures of A, B, a nd C?When drawing organic chemistry mechanisms with NaOCH3, do we automatically dissociate it into Na+ and OCH3-, making it easier to go through SN2 and/or E2 reactions? Does NaOCH3 dissociate, and is this why it is a strong nucleophile?Give the major organic product(s) for each step of the following reactions (a,b,c)