3. Give the major product for the following reactions. Proper stereochemistry (shape, geometry) is required /...
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 On your (shape, geometry) is required / chirality may be ignored. Watch out for carbocation O 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 entene c. 3-methyl-1-pentene Hi0' d. 3-methyl-1 Dentene 1. Hg(OAc):/ROH 2. NaBH 1. BH. THF, 2. H1,0/OH-/H,0 e. 2-methyl-1 pentene f. 3-methyl-1 yclohexene Br, H20 Cl2 g...
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 +...
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....
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
2. Write the major organic product expected from each of the following reactions: (120 pts) (a) CH&CH CH2Br+ NaOH in acetone solvent (b) 1-methylcyclopentene + HCI (c) cyclopentanol+ H2SO4+heat (e) 1-pentyne+H2O H2SO4 (8) benzene + methyl iodide+AICI (i) 2-methyl-1-pentene+ BHo, then HOOH and NaOH () 2-bromobutane + CH,CH,ONa in ethanol (d) 1-pentene + HBr with trace peroxide (f) 1,2-bromopentane + NaNH2 in liquid ammonia (h) ethylbenzene + HNO, + HSO
3. Give the structures of the two products for addition reaction of HCl to 3-methyl-1-pentene (1 point). Point out which one is the major product, and explain why! (Hint: don t forget carbocation rearrangement)
1) Reaction Draw the Major Product(s) With proper stereochemistry/regiochemistry If Sub or Reaction Type Elimination (substitution, elimination, S1, S2, addition, rearrangement) E1, or E2 CI HOCHZ Lindlar's catalyst H2 NaOH dilute H,SO4 -OCH2CH3 ethanol HBr t-BuOOBu-t
Give the major organic product from each of the following reactions (including any appropriate stereochemistry): 1. (10) Give the major organic product from each of the following reactions (including any appropriate stereochemistry): HBr H20 2 ) O 3 2) H 2O2 1) BH 3 2) NaOHH H20 2 CH ,OFH 3 heat CH3 Br NaOCH 3
Give the major organic product(s) of the following reactions or sequences of reactions. Show the stereochemistry and/or isotope position clearly where it is relevant. If you think that the reaction would not occur, write as "NR" or "No Reaction." A) 1) NaCN A. 2)H30+ heat OH B) 1) PCC/ CH CL 2) (CHỊ) CHNH2 ?