For the following target molecules give the retrosynthetic analysis and the synthons and synthetic equivalents needed to accomplish the transformation. a.) b.) MeO OMe OH OH OH
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- 2. Provide synthetic route for the following transformation mia CIF. Suggest a synthetic route for 2,4-dinitroanline, starting with benzene and appropriate reagents/solvents.4..Provide an alternate synthesis to synthesize each of the products 1-phenyl-1-propanol and 2-phenyl-2-propanol. EXPLAIN IN DETAIL WHY****** Already used: benzaldehyde and ethylmagnesium bromide for 1-phenyl-propanol and acetone with phenylmagnesium bromide for 2-phenyl-2-propanol.
- Synthesize Chloramphenicol from Toluene or Benzaldehyde. Draw and explain step by step please.(p.s: if you can, can you write what the reagents does?) (Drug Chemistry)Recall that upon exposure to water, p-nitrobenzyl chloride is hydrolyzed to p-nitrobenzoic acid. Describe an extraction procedure that could effectively eliminate any triethylammonium salts, as well as any unreacted 2,6-dimethyl aniline and p-nitrobenzoic acid. A (B) 1. wash with water to eliminate salts 2. wash with sodium bicarbonate to eliminate the aniline (amine) 3. wash with dilute HCI to eliminate the benzoic acid 1. wash with water to eliminate salts 2. wash with sodium bicarbonate to eliminate the benzoic acid 3. wash with dilute HCI to eliminate the aniline (amine) Wash with water three times to eliminate all impurities. D) Performing an extraction was a mistake. A distillation should have been used to purify the desired material.The following two isomeric ketones were among the 68 compounds isolated from the steam-distilled volatile oil of fresh and air-dried marijuana buds (). Nat. Prod. 1996, 59, 49-51). Propose a separate synthesis for each of these two compounds using only disubstituted alkenes containing four carbon atoms as starting materials. 12.75a Of the following, which represents a logical retrosynthesis for target molecule A? MgBr OH MgBr MgBr OH OH MgBr
- a) Write out the first 3 steps only(to the tetrahedral intermediate shown) in the 6-step arrow pushing mechanism showing how ethyl propanoate is hydrolyzed in acid to form propanoic acidand ethanol. b) NaOH/H2O also serveto hydrolyze an ester; briefly explain why NaOH/H2Ois generally preferable.15) Provide a detailed, stepwise mechanism for the acid-catalyzed condensation reaction between benzaldehyde and methylamine.Provide a synthetic sequence for each of the following transformations. More than one step is required. Write all steps clearly with all reagents involved. a. b. NO₂ SO₂H