Draw the mechanism for this reaction. 1) Mg, Et20 2) bromobenzene triphenylmethanol benzophenone 3) H2O
Draw molecular structures of bromobenzene, benzophenone, and triphenylmethanol and biphenyl in the order of increasing polarity (east polar < most polar).
(2) After the addition of benzophenone to the mixture of bromobenzene and magnesium in diethyl ether, the reaction mixture slowly solidifies. Provide the structure of the solid, and explain with 10 words or less why the adduct precipitates out of solution. OH Triphenylmethanol is a
ether MgBr + H,O C-OH + MgBr(OH) Adduct 0.15g Mg 0.70mL bromobenzene 1.09g benzophenone include the complete calculations including units and correct significant figures for the limiting reagent and percent yield 0.8143g triphenylmethanol after recrystalization: 0.7323g mp: 149.6-153.1 possible errors? ether MgBr + H,O C-OH + MgBr(OH) Adduct 0.15g Mg 0.70mL bromobenzene 1.09g benzophenone include the complete calculations including units and correct significant figures for the limiting reagent and percent yield 0.8143g triphenylmethanol after recrystalization: 0.7323g mp: 149.6-153.1 possible errors?
Can you please provide a reaction mechanism for the following reaction and explain what is happening at each step A multistep synthesis demonstrating Grignard and Friedel Crafts reactions Part I and II Br MgBr Mg l21 diethyl ether bromobenzene MgBr 1, mix and heat OH 2, H30 benzophenone triphenylmethanol Part IV OCH3 H2so4 OCH3 anisole methoxytetraphenylmethane triphenylmethanol hane from a multistep reaction
A student decides to perform the synthesis of triphenylmethanol via the grignard reaction. She starts with 9.5g of bromobenzene (M.W. = 157) and uses 1.21g of Mg (M.W. = 24.3) and 9.1g of benzophenone (M.W. = 182). a. Calculate the limiting reagent. b. Calculate the theoretical yield of triphenylmethanol (M.W. = 260.3).
1. Draw the product for each reaction: 1. 2 Li, Et20 2. CH3CH2CHO 3. H3o* Br a. 1. Mg, Et20 2. b. 3. HgO
1) Mg, Et20 НОСН-СН,ОН H H2O+ 2) PhCHO 3) H20+
K2Cr207 (excess) H2SO4, H2O HO OH u. 1. PhLi, Et20 2. HCI, H2O 3. SOCl2, Etz 4. NaOAC 1. Mg (1 eq), Et20 Br 2. i (1 eq) -CHO 3. HCI, H20 1. NaBH4, MeOH, 0°C 2. PBr3, THE 3. LiAID4, THE 4. HCI, H2O x. 1. SOCI, NEtz, THE CHO 2. 2 eq Li, hexane 3. HCI, H2O hint: multiple steps 1. LiAIHA, THE 2. HCI, H20 3. PBrz, THE a1. 1. PCC, DCM OH 2. Mg, Et20 3....
The synthesis of triphenylmethanol via the grignard reaction is given by the following equation (below): A student decides to perform the above reaction. She starts with 200 mg of bromobenzene (M.W. = 157) and uses 45 mg of Mg (M.W. = 24.3) and 0.36 g of benzophenone (M.W. = 182). a. Calculate the limiting reagent b. Calculate the theoretical yield of triphenylmethanol (M.W. = 260.3) c. She obtains 0.172 grams of of the product. What is her actual yield? d....
predict the product (or reactants) 1. Mg (1 eq). Et20 2. (1 eq) -CHO 3. HCI, H2O 1. NaBH4, MeOH, 0°C 2. PBrz. THE 3. LIAID, THE 4. HCI, H20 1. SOCI, NEt3, THF 2. 2 eq Li, hexane CHO 3, HCl, H2O hint multiple steps CH 1. LiAIH, THE 2. HCI, H2O 3. PBr3, THF OH 1. PCC, DCM 2. Mg, Et20 3. HCI, H2O 1. MSCI, pyr 2. KO'Bu, 'BuOH