3. Propose syntheses of the following targets from the indicated starting materials. (Hint: one of these...
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
Show how you would use Grignard syntheses to prepare the following alcohols from the indicated starting materials and any other necessary reagents. Draw the Grignard reagent and any other organic reagents needed. 11 RUVIUWI Constans i Pendulu Part F Show how you would use Grignard syntheses to prepare the following alcohols from the indicated starting materials and any other necessary reagents. Draw the Grignard reagent and any other organic reagents needed. ОН -C-CH CH, from C-OCH.CH Draw the molecules on...
1. Propose a synthesis for either of the following molecules using the indicated starting materials. You don't have to use all of them, but all your carbon atoms must come from them alone. (Hint: A five membered lactone will spontaneously form from the correct hydroxy acid.) If you provide syntheses for both a 10 pt bonus will be awarded. OH со, КCN Br н Н NO, Br NH2 2. Propose a mechanism to account for the following reaction. Used the...
Propose syntheses of the given compounds from the indicated starting materials. он NH2 CH30
12) Starting with hex-3-en-2-one, propose syntheses for the following compound the following (8 pts total): propose syntheses for the following compounds. For each synthesis, indicate op that needs to be done to add functional groun (ex: reduction: dehydration: Grignard, etc.) - include reagents required for the transformation (ex: NaBH, for carbonyl reduction, etc.) OH MY OH *Hint: refer to g. 11
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)
5 (20 pts) (a) Propose a reasonable synthesis, using indicated diketone as starting material. ri and any C4 or less starting materials (SMS) (any reagents are allowed) Hint: as a C3 SM use (6) Propose two syntheses, which will use two distinct methods for construction of the 6-membered ring (1) Crossed-Claisen condensation and (2) Claisen condensation(s). 0 0 selor must use this reagent plus any acyclic Cg or less
4. (8 points) Devise multi-step syntheses for the following two targets. You must use the given starting materials as the only carbon source. You can use any other organic and inorganic reagents. steps a. V OH - starting material target
Propose multi-step chemical syntheses for the product on the right from the starting material provided, they require more than one step. You can use any reagent with up to four carbons. Show the product for each step in your synthesis. 5. 110 points] Chose TWO of the following transformations and propose multi-step chemical syntheses for the product on the right from the starting material provided. All syntheses require more than one step. You can use any reagent with up to...
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