Alcohol Reactions Practice Write the products for the following reaction. If no reaction is possible, write...
Write all possible products from aldol reaction between: Butanal and Propanal Formaldehyde and Acetaldehyde What is the product for aldol condensation in reaction 7(b) Write reaction for the synthesis of 3-Metyl-2-cyclohexenone using aldol condensation reaction.
Which of the following reactions would not normally yield an alcohol? A. Oxymercuration/ de mercuraction of alkenes B. Hydroboration of alkene C. Reaction of a carboxylic acid with NaBH4 D. Reaction of ketone with a Grignard reagent Which set of reagents is the best to perform the following transformation? OH step(s) A. PCC; CH2MgBr, POCIz/pyridine B. tosyl chloride; CH3MgBr C. PBrz; Mg(0); CH31 D. CrOz/H3O+; NaBH4, CH MgBr 1) excess LiAIHA 2) Н,0* І, Но но- Но он но- он...
2. Give the products for the following aldol reactions. (5 points each) 1. Д. ОН: Н 2. н* 3. ОН: Н ОН ".. 5. ОН + CHO 6. ОН 3. Complete the following scheme. Two step reactions will contain two boxes. 5 points MgBr H CI 5 points AICI: 2. H 3. PCC, CH2Cl2 2 points 5 points 2 points 2. H 3. H Cr04 2 points 5 points OH 2 points 1. OH 5 points Final product shows strong...
Write the product/s in each of the following reactions. If a racemic mixture is a product of the reaction, write structure of both enantiomers. Assign absolute configuration (R or S) of the starting compounds and final 1 compounds in a case they possess a stereogenic center. (2.5 x 10 25 points) pyridine = v a. - ONa ? Pyridines byрroduct b. S-Ci NH2 (RZ-pent-3-en-2-ol pyridine excess с. FC CF3 NaCCCH он pyridine d. Вгz. Но 1 mol NaOH cis-pent-2-ene е....
Give the organic product(s) of the following reactions. Write your answers on this sheet. Na2Cr207 OH H2SO4 PCC он он 3 CH3CH20H PBr3 Nal + CI-S CH3 ス.
198 CHAPTER 5 Chemical Reactions Practice Problems 5.24 Determine if the reactions in Problem 500 reversible or irreversible. 5.25 Write the products and balance the follos tion for the complete combustion of ethane CH() + O2(g) —? 5.21 Categorize the following reactions as synthesis, decomposition, or exchange reactions in the forward direction: a. Cuo(s) + 2HCl(aq) —> CuCl2(aq) + H2O(1) b. CH,206(ag) -> 2C,H,O(aq) + 2CO (9) c. 2H269) + O2(8) = 2H2O) 5.22 Categorize the following reactions as synthesis,...
1. Write the products of the following reactions. If there is no reaction write NR (30 points). a) CH.CH.CH-Br + 2Li => "X" + LiBr: X=? Step (2) HCl and water b) (1) X + C) 2 "X" + Cul -> Lil + "Y": Y- Step (2) HCl and water mm. fo d) (I) Y + Step) equivo NOCH,inCH.CH Step H and Vie Sep water
2. Write in all the product(s) of these reactions. Label products as "major" or "minor" if relevant. If there is no reaction, write "N.R. H2SO4, heat CrO 3. Name this ether correctly. CH3とHCH3 4. Show the best way to make the ether in Prob. #3, using a Williamson Ether Synthesis, starting from an alcohol/phenol
1. Give the major product of the following reactions, write N.R. if no reaction happens. Indicate the stereochemistry if necessary: h. 1. Cl2, H2O 2. KOtBu 1. NaOH, H20 2. PCC НО i. 1. ICH2Znl, Et2O 2. MSCI, pyr 3. LDA ОН j. 1. HВг, "BuOOH, hv 2. NaCN, DMF
Draw the product for the multi-step synthesis shown below. You may draw the intermediate products for possible partial credit if you wish.] Ph PBrz Mg, Et20 PCC он 2. H,07