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Major product CH3 Lindlar's cat., H2 H3C 1. CH3MgCl; 2. dil. HCI Ph cat. H2SO4, ethanol...
4. Predict the major product in the following reactions. relationship between: Lindlar cat. A and C i. m-CPBA H2 CH3 ii. H30* H2O Ph A B and D H2SO4 i. m-CPBA Ph CH3 heat ii. H30* H2O OH 4. Predict the major product in the following reactions. relationship between: Lindlar cat. A and C i. m-CPBA H2 CH3 ii. H30* H2O Ph A B and D H2SO4 i. m-CPBA Ph CH3 heat ii. H30* H2O OH
Draw the structure of the major product of the following acid-catalyzed dehydration. CH3 H3C H2SO4 H3CH2 heat ОН
15. H.Pd 16. 17. 17. H3C 1) NaNH, 2) CH CH,Br 3) Lindlar's H2 18. 1) KMnO4(aq) warm, OH 2) H30+ 19. -CH3 excess Br? 20. 1) 1 equiv. HBr. peoxides 2) HCI
но моме cat. H2SO4 Dean-Stark trap PhyO SOCl2 OH Ph^ Ph Br La Pryo NEtz Croz H2SO4 6 Nao 1) LDA, -78 °C 2) 0 CO2Me HPh (give a reactant and a reagent) (sterochem. can be neglected; elim. product (alkene) also okay) 1) PhBr 2) HCI/H20 molecular sieves (dehydrating agent) OMe 1) NaOME 2) Mel 3) LiOH 4) HCI (quench) 5) heat
3. Give the major product of the following reactions with the appropriate stereochemistry and regiochemistry 2. Hoc МСРВА NO нас H3C 1.LiTMs ; 2. MeOH 1. KOMe/MeOH; 2. dil. HCI, O C d. 1. NaN 3, H2SO4 water heat; 2. dil. KOH H3C OH e. 1. LDA, THF, -78 C; 2. TMSCI; ; 4. water; 5. HCl/water, heat
Provide the major product(s) for the following reactions: Show Stereochemistry when necessary 1) NaNH, 2) (CH3)2CHCH2Br 1) NaNH2 2) (CH3)2CHCH2Br 3) Li, NH3 3) H2, Lindlar's catalyst 1) NaNH2 2) EtBr 3) H2, Pd/C 1) NaNH2 2) EtBr 3) H20, H2SO4
What is the major product of the following reaction? Hy(excess) Lindlar's cat. A B D Ос B A D What is the major product of the following reaction? Cl2 Н,0 НО СІ. A \ Он С В с D CI CI ОН ОН Ов ОА D с What is the major product of the following reaction? CH3 нс Н сH,CH, NaNH2 DMSO Br А В CH3 CHCH3 9 CH3 с CH,CH H4C. D нс CH2CH3 CH3 "NH, нс Сн HECH...
Draw the major product for each reaction. он. CH3 heat N(CH3)3 a. LiAIH4, Et20 b. H30*/H20 1. NaCN, DMSO Br 2. a. LiAIH4. THF b. H3O+/H2O 1. NaN3, DMSO Br 2. a. LiAIH4, THF b. H3O /H20 1. HNO3, H2SO4 2. SnCl2 3. Br2 4. a. HNO2, H2SO4 H3C b. H2PO2 NH2 1. NaNO2, HCI, H20 но 2. HBF4
Draw the major product of the following Hofmann elimination. CH3 H3C-1 1. Ag20, H20 excess 2. heat CH3
47. Draw the product formed from the following reaction. (3 marks) CH3 Heat H2 H2 H3C + OH HN -C—CH3 48. Identify the compounds in the following pair as structural isomers, same compound or different compounds. (2 marks) and