1. Write the detailed mechanism for the formation of the major product in each of the given reactions. Show proper stereochemistry in the product(s) where needed. 1) Hg(OAc)2, CH₂CH₂OH 2) NaBH4
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- Provide the structure(s) of the expected major organic product of the reaction shown. 1) Disiamylborane 2) H₂O₂, NaOH OI O II ||| O IV OV CH3CH₂C(CH3)2C=CH OH OH xx xo IV19. (a) Show the structure of all reactants and products for the bromination of 1,2 dimethylcyclopentene. Show the proper stereochemistry of the products. 1,2-dimethylcyclopentene + Br2/CCl4-----> Products (b) Show the mechanism of the reaction in (a) above.Predict the MAJOR product(s) of each reaction or sequence of reactions. Show stereochemistry where applicable and draw out ALL stereoisomers that are formed as MAJOR products. For those with more than one reaction, show ONLY the final product(s) after all steps listed are performed (intermediate products will not be graded). Assume all reagents are in excess. 1) PBr3 2) N3 OH 1) HBr 2) CH;00
- Draw a structural formula for the major organic product of each reaction and specify the most likely mechanism by which each is formed. (g) CH3CH2ONa++CH2=CHCH2ClethanolBicyclo-2,5-heptadiene can be prepared in two steps from cyclopentadiene and vinyl chloride. Provide a mechanism for each step.Complete the statement below by writing the number (from the table below) that represents the set of conditions/reagents needed, in the correct order, to carry out the reaction below. The following transformation can be accomplished by using to make the product. 1) Br2, FeBr3 2) HBr, 40 °C 3) Cl2, FeCl3 4) SO3 / H₂SO4 Z- TABLE OF REAGENTS 7) CH3CH₂COCI, AICI3 5) C6H5MgBr, Ether 6) CH3CH₂CH₂COCI, AICI 3 8) HNO3, H2SO4 9) CH₂CHCHCH2. heat to make compound Z followed by CI- 10) NBS, CCl4, peroxide 11) (CH3)2CHOH, H₂SO4 12) Zn (Hg) HCI MacBook Pro Br
- You must prepare the most stable possible alkene starting from the starting material given below and following an E2 elimination reaction. H Base Ö most stable alkene CH3 Ph Et Br PhComplete the following reactions by providing the correct product(s), starting materials, or reagents. When appropriate, products should have the correct stereochemistry2a) (2 ) Provide the reagents or products for the following reactions. Include ALL stereochemistry, where appropriate. i). ii) iii) Z-4-octene CHO 1) MCPBA/DCM 2) H₂O* NaOCH, CH,OH .CO.I heat ol NH₂ OH
- 1. Write organic products of the following reactions. Show stereochemistry where appropriate. Br₂ H₂O H₂O H₂SO4 1. BH3: THF 2. H₂O2, NaOHProvide the major products (write “no reaction” if you think so) for the following reactions with correct stereochemistry.Complete the statement below by writing the number (from the table below) that represents the set of conditions/reagents needed, in the correct order, to carry out the reaction below. The following transformation can be accomplished by using to make the product. 1) Br2, FeBr3 2) HBr, 40 °C 3) Cl2, FeCl3 4) SO3/H₂SO4 TABLE OF REAGENTS 7) CH3CH₂COCI, AICI3 8) HNO3, H2SO4 9) CH₂CHCHCH2, heat 5) C6H5MgBr, Ether 6) CH3CH₂CH₂COCI, AICI3 Z 10) NBS, CCl4, peroxide 11) (CH3)2CHOH, H₂SO4 12) Zn (Hg) HCI to make compound Z followed by CL Br
