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- Compound 1 is an anticoagulant that is extracted from, among other plants, the sweetclover plant, Melilotus Officinalis. However, the compound is moderately toxic and alsofinds use as a rodenticide. Name this compound2,3-Dimethylfumaric acid has a molecular formula C6H8O4. It undergoes oxidativecleavage to form two identical compound N. Compound N is then reacted withethylmagnesium bromide to form compound O. Compound O is then hydrolysed inacidic condition to form compound P. Draw the structure of compound N, O and P. PLEASE PROVIDE CLEAR HANDWRITING, and explantionCompound A is an alcohol that undergoes oxidation to produce compound B.Compound B is a ketone that gives positive triiodomethane reaction. Compound B isthen reacted with phenyl magnesium bromide, C6H5MgBr in the presence of aqueousacid to form compound C. Compound C has the molecular formula of C9H12O. Deducethe structure for compound A, B and C. PLEASE PROVIDE CLEAR DRAWINGS AND EXPLANATIONS
- (a) Draw the structures of the following compounds :(i) 4-Chloropentan-2-one (ii) p-Nitropropiophenone(b) Give tests to distinguish between the following pairs of compounds :(i) Ethanal and Propanal (ii) Phenol and Benzoic acid(iii) Benzaldehyde and Acetophenoneprovide the reagents necessary to complete the following information.Compound J, C16H16Br2, is optically active. On treatment with strong base, compounds K and L (each C16H14) are formed; K and L each absorb only 2 equivalents of hydrogen when reduced over a Pd/C catalyst. Compound K reacts with ozone to give phenylacetic acid (C6H5CH2COOH), while similar treatment of L gives 2 products. One product, M, is an aldehyde with formula C7H6O; the other product is glyoxal (CHO)2. Draw the structure of compound L.
- Identify A, B, and C, intermediates in the synthesis of the ve-membered ring called an α-methylene-γ-butyrolactone. This heterocyclic ring system is present in some antitumor agents.Compound A is first treated with ylide Y and then reacted with Rh and hydrogen gas. Using the spectroscopic data provided, what is the structure of Compound A?Identify A, B, and C, intermediates in the synthesis of the five-membered ring called an α-methylene-γ-butyrolactone. This heterocyclic ring system is present in some antitumor agents.
- Quinapril (trade name Accupril) is used to treat high blood pressure andcongestive heart failure. One step in the synthesis of quinapril involvesreaction of the racemic alkyl bromide A with a single enantiomer of theamino ester B. Given the structure of quinapril, which one of these two products isneeded to synthesize the drug?what is the structure of compound B?Although ibuprofen is sold as a racemic mixture, only the S enantiomer acts as an analgesic. In the body, however, some of the R enantiomer is converted to the S isomer by tautomerization to an enol and then protonation to regenerate the carbonyl compound. Write a stepwise mechanism for this isomerization.
