3. Give the major product for the following reactions. Proper stereochemistry On your (shape, geometry) is...
3. Give the major product for the following reactions. Proper stereochemistry (shape, geometry) is required / chirality may be ignored. Watch out for carbocation rearrangement, and proper geometry like cis/trans. (Be sure to check your work by working out reaction mechanisms - practice, practice, practice!) a. 2-methyl-1-pentene + HBr b. 2-methyl-1-pentene + HBr/peroxide c. 3-methyl-1-pentene + H30+ d. 3-methyl-1-pentene + 1. Hg(OAc)2/ROH 2. NaBH e. 2-methyl-1-pentene + 1. BH3, THF, 2. H202/OH-/H20 f. 3-methyl-1-cyclohexene + Brz, H20 g. 3-methyl-1-cyclohexene +...
3. Give the major product for the following reactions. Proper stereochemistry (shape, geometry) is required / chirality may be ignored. Watch out for carbocation rearrangement, and proper geometry like cis/trans. (Be sure to check your work by working out reaction mechanisms - practice, practice, practice!) a. 2-methyl-1-pentene + HBr b. 2-methyl-1-pentene + HBr/peroxide c. 3-methyl-1-pentene + H30+
Anti tdd 3. Give the major product(s) of the following reactions -all stere ochemistry of any cis/trans or chiral products must be shown properly AND any chiral centers labeled ds Ror S. Circle your product(s). (Do not repeat products so always doublecheck to make sure you did not draw identical structures!) As in lecture, any halogenation X2 of alkenes should be considered to undergo classic Anti-Addition. a. Cyclohexene + Cl2 b. 1-methyl-1-cyclohexene+ Br2 c. trans-2-pentene + Cl2 d. cis-2-pentene +...
For each of the following reactions, provide the product with proper stereochemistry if applicable. In addition, draw the arrow-pushing mechanism for the reaction. 1. CH HCI 2. CH HBr ROOR 3. CH, Н,0 H, SO 4. CH3 1. Hg(OA), 2. NaBH + 5. CH, 1. BH, THF 2. HO, NaOH
Practice: Write the products for the following reactions. Propene Cyclohexene HBr | CH 3 CH Br CH₂ Hert Cl2, CH2Cl2 NBS, H2O, DMSO Cl2, CH3OH 1) Hg(OAc)2, H2O/THF 2) NaBH 1) BHz in THF 2) H2O2, OH-
1. PREDICT THE PRODUCT: Provide the structure of the major product expected from the following reactions or reaction sequences. Make sure you account for any regio- and/or stereochemistry! (24 pts.) H2O 1. Hg(OAC), CH, OH 2. NaBH H2SO4 H20 1) BH-THF 2) H202, KOH HBr Bry, H2O HBr ROOR 1. BH3-THF 2. H2O2, NaOH H20, H2SO4 1. NaNH2 H2 H-CEC-CH2 CH2 CH3 2. CH CH Br Lindlar cat 1. Sia BH-THF 2. H2O2, H2O
1. Name this compound according to the IUPAC system, including stereochemistry (cis/trans, EIZ), if relevant. CIS-3- isopropyl Cyclopent-l-ene 3 2. Using the compound in #1 as the starting material for all these reactions, write in the products, including stereochemistry if relevant: HBr 1. Hg(OAC)2, H20 2. NaBH Br2 1. BH, 2. H2O2, OH Bra H2O Pd mcpba
Provide the major product(s) for the following reactions: Show Stereochemistry when necessary (10 points total) Br HBr CH2CI Br2 HBr Но ROOR CH,OH Н,о н* Н,о° 1) Hg(O,CCF3)2 CH,OH 1) BН, THF 2) H,О, NaOH, Нао 2) NaBH, NaOH 1) Hg(OAc) Н0, THF/ Hа Pd/C 2) NaBH, NaOH
plete the following reactions, providing the proper stereochemistry where required. If more than one product is possible, indicate the major product. a) ros. Br CH3 -CH; 1) BH THE 2) H20. NaOH -CH₂ ROOR RCO,H t.tt 1T 1) Hg(OA), H2O 2) NaBH 1. Provide the IUPAC name for the following molecule: 2. Draw the structure of Z-4-Bromo-5-methyl-4-hepten-2-yne: 3. Write down the major product(s), or the other reactant(s), of the following rea stereochemistry (wedge-and-dash) where appropriate: Xs HBr
1. Give the structure of the product(s) for the following addition reactions. Show appropriate stereochemistry if necessary to get the full credits. (5 points) 50% H2SO4 50% H20 1. BH3, THF 2. H2O2/KOH CH3COOH ry condon YY PEO 1. 03 2. Zn/H2O 2. Give the syn or anti addition products for the following addition reactions. Show appropriate stereochemistry if necessary to get the full credits. (5 points total) Hz/Pt 1 point 1 point Hypt DBk Det ook o BryH2O 1....