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20 2) Suggest efficient syntheses for two of the following four compounds from the available starting...
Suggest efficient synthesis for the following
compounds from the available starting material(s), specifying
necessary reagents for each step
NO2 a) OH NH from F Pyo NH2 Br ㅇ from li b) gary
3 e f g
3. Suggest efficient syntheses for the following compounds, starting from the compound indicated and any other needed reagents. (98 pts) e) benzonitrile (C HsCEN) starting from benzene. (f) octanoic acid, from 1-hexanol. (g) phenol, from aniline (CsHsNH:).
(7) Suggest an efficient synthesis of each of the following compounds from the indicated starting material. Use any needed reagents and solvents: (80 pts)
Propose syntheses of each of the following compounds, from the given starting material and any other needed reagents. » O- CH2OH from O con b) CH3CCHz from CH3CH=CH2 ОН • OCHGHs from O-Br
3. Propose reasonable syntheses of each of the following compounds from the given starting materials. You may use any other readily available alkyl halides, solvents and reagents as necessary. More than one step is necessary. Show all intermediates, reactions, reagents and conditions clearly. It is not necessary to show the mechanism. HCECH HCECH , X HCECH HC=CH M H OHC (30 marks)
13. (20 points) Outline syntheses for each of the following compounds starting from ethyl acetoacetate and any other reagents as needed:
13. (20 points) Outline syntheses for each of the following compounds starting from ethyl acetoacetate and any other reagents as needed: 0 0 A DEL
Propose syntheses of the following molecules, starting from
benzene, toluene or phenol, any inorganic reagents and any organic
reagent of TWO carbons or less:
4. Propose syntheses of the following molecules, starting from benzene, toluene or phenol, any inorganic reagents and any organi c reagent of TWO carbons or le a) NO2 b) CO2H c) OH d) e) NO2 NO2 Br CI CI CO2H Br
2. Design multi-step syntheses for TWO of the following targets. Show the reagents needed for each step and the product of each step. Special conditions: You must use cyclopentadiene as your starting material for all syntheses. You may use organic reagents containing 4 or fewer carbons, and any inorganic reagents. For any Diels-Alder reaction that you use (necessary for all targets!), the dienophile must be an a,ß-unsaturated carbonyl compound. Target 1: HO D Target 2: Doe Target 3: ro Target...
(8 pts) Suggest an efficient reaction sequence for the preparation of each of the following compound from the indicated starting materials and any other necessary reagents 2. from and Br