dict the major product(s) of the following resten A) Only II and IV Only I and...
aduerre) of the following reaction Predict the major product(s) of the following reaction A) Only II and IV Only I and IV B) Only I and II D) Only II and III 9) What is the best choice of reagent to accomplish the following transformation? HOCH,BI D A) HBr B) Br2 C) Br2, H2O D) H2O/Br2 10) What is (are) the missing reagent(s) in the following reaction? A) [1] Bra; [2] H2O C) [1] BH3; [2] H2O/HO- B) Bry/CC14 D)...
What is the product of the following reaction? NaNH2 (2 equiv.) A) I B) II C) III D) IV 17) What is the major product of the following reaction? + 2HBr - Br A) Only II B) Only I C) Only III D) I, II, and I 18) What is the reagent required to accomplish the following transformation? A) 2eq. HCI B) C12 C) Bry/CCL4 D) SOCI2
4) Which is (are) the product(s) of the following reaca wing reaction? A) I, II, and III B ) Only I and III Only II and III D) Only I and I 35) What is (are) the product(s) of the following reaction? 35) A) B an DIV 36) What is the reagent required to accomplish the following transformation? A) PCC/CH2Cl2 C) [1] OsO4; [2] NaHSO3, H20 B) RCO3H, H2O/HO D) LiAlH4 37) Determine the product of the following reaction. A)...
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answer i,ii,iii,iv,v
Predict the major product(s) of the following reaction, giving regiochemical and/or stereochemical details as relevant. (6 MARKS) q Bry, H0 ? ANSWER: (ii) Predict the product(s) of the oxidation of 2,3,4-trimethyl-1,5-heptadiene with hot, alkaline KMnO4 followed by acidic work up. (6 MARKS) (iii) Complete the following reaction sequence, giving structures for compounds C and D (Na2CO3 just acts as a base!): CH,SOCI CH,OH Na2CO3 D DMF (6 MARKS) D (iv) Supply the missing structures A and B....
5) Predict the major product of the following reactioll HO, HO BH D) IV C) III B) II 6) Predict the major product of the following reaction. H50, L H20 H2SO4 7 that Holo A) I B) II II D) IV 7) Predict the major product(s) of the following reaction. w HBr A) Only I and II C) Only III and IV B) Only I and IV D) Only II and III
12) What reagent(s) are used to make the following transformation? ery A) Br2, H20 B) O3, then (CH3)2S C) BH3-THF, then H2O2, NaOH| D) m-CPBA E) KOt-Bu
Question 39 3.3 What is the best choice of reagent(s) to perform the following transformation? H2O, H2504 Hg(OAc)2 and H20;followed by NaBH4 BH3; followed by H2O2. NaOH OsO4: followed by NaHSO3 Question 40 3.3 Which of the following sets consists of only aprotic solvents? water, hexane, methanol acetic acid, DMF, toluene DMSO, ethanol, acetonitrile hexane, acetonitrile, DMSO
23) Select the best reagent(s) to accomplish the following transformation. a) i) 2 CH3CH2MgBr; ii) H30+ c) CH3CH2Br b) i) (CH3CH2)2CuLi; ii) H2O d) i) 2 CH3CH2Li; ii) H30+ 24) Select the best reagent(s) accomplish the following transformation. NH2 a) i) LiAlH4; ii) H30* c) H2O b) SOCI d) H30, heat
Choose the sequence of reagents which would best accomplish the following transformation: 2-bromopropane ----------> 1,2-dibromopropane [(R) + (S)] 01. (i) KMnO4, NaOH in water at 0 °C 2. (i) Br2 in CCl4 (ii) excess NaNH2 (iii) CH31 (iv) H20, H2SO4, HgSO4 Choose the sequence of reagents which would best accomplish the following transformation: 2-bromopropane ---------> 1,2-dibromopropane [(R) + (S)] 01. (i) KMnO4, NaOH in water at 0 °C 2. (i) Br2 in CC14 (ii) excess NaNH2 (iii) CH3 (iv) H20,...
6 Identify the major HO product of this reaction. CH, H2SO4 (A) -CH; (B) -CH (C) CH (D) -CH R 7 Identify a reagent or set of reagents to accomplish the following transformation OH (A) Oso i-BOOH (B) 1) Hg(OAc), H2O 2) NaBH (D) HOOH (C) 1) THF.BH; 2) H2O2 OH H20 Δ