10) What is the product produced in the following reaction. 1 mark correct structure of the...
When the 2,7-dimethyl-4-octyne is treated with 2 moles (excess) HBr, the product(s) of the reaction is: CH-CH-CH-CH-CH-CH-CH-CH, B. CH3-CH-CH CH -CH2-CH-CH-CH; C CH-CH-CH2-C-CH3-CH-CH-CH н D. A mixture of a and b would be produced. A mixture of a, b, and e would be produced OB 0 0 0 Which of the following is the correct structure for 4-sec-butyl-1-heptyne? D. none of these OD What is the major organic product obtained from the following reaction? OH M CH,CH-CH-CH2=CH- 3 OH •...
2 What will be the major product of the reaction of 1 mol of propyne with each of the following reagents? a. HBr (1 mol) b. HBr (2 mol) d. excess H, Pd/C H2/Lindlar catalyst f. NaNH2 е. c. aqueous H2SO4, HgSO4
CHAPTER 9 (10 pts) Alkynes are very similar in reactivity to alkenes. What product is obtained when the following reagents are added to 1-hexyne? 1. (a) molecular hydrogen/Pd/CaCOs (Lindlar's catalyst) (b) 1 mol HBr/peroxides (e cold, dilute KMnO4 (d) H2O, HgSO/H2SO4 (e) Sia BH, NaOH and H2O2
7. What is the major product of the following reaction? 1. 03 2. MeS a. b. H H and and d. None of the above and What is the major product of the following reaction? HBr SCH3 d. None of the above C. What reagents/steps are required to complete the following conversion? ?? a. 1. Brz 2.03 3.MeaS 4.NaOH, 5. Jones' Reagent b. 1. Na, NH3, 2.03. (CH3)26, 4. ??? c. 1. Lindlar's catalyst, H2, 2. Os 3. (CHb)2S, 4....
1. Draw the structure of the major organic product of the following reaction. H2SO4 catalyst excess H20 2. Draw the structures of the two major organic products of the following reaction. Hartache heat excess H2O H2SO4 catalyst H3C ~ CH₃ heat
2) Fill in each of the following boxes with the structure of the major reaction product(s) from each of the following reactions. (28 points total). a) Pd(PPhale NaOH b) + Pd(OA) (CH CHN CN 1. NaBH 2. H2O HH OH но -н H- OH HH OH CH,OH HNO, но NH,OH trace of acid 1. CHI (excess 2. Ag,0 H2O, heat CI 1 CRUS POY Grubbs catalyst) Page 2 of 5
1. Draw the structure of the major organic product of the following reaction. H2SO4 catalyst excess H2O
40. Give the major organic product of each reaction, paying attention to stereochemistry. Indicate if a racemic mixture is expected. excess H excess H Pe cat Pd cat. excess H a d Pd cat. 41. Structures A-C are isomers of CH4 Propose a possible structure for A-C that fits each of the observations below. 1. il. ill. Structure A reacts with 2 moles of H2 (w/ Pd catalyst). Structure B reacts with 1 mole of H2 (w/ Pd catalyst). Structure...
What is the product of each reaction? BrCH2CH2CH2CH2OH Base ? HBr -15 °C MeOH HBr (excess)
What is the major product produced in the following reaction? HBr major HOOH product Br 1) 2) Br 3) 4)