6. Propose a mechanism for the following reaction: ОН heat cyclopentanol cyclopentene
4. Propose a mechanism for the following reaction. Br Br2 ОН 7
Propose a mechanism for the following reaction. ISmTorthe Tonowing reaction. Br Br2 ОН 7
6. Propose a mechanism for the following reaction under conditions that favor a SN1 reaction. (16 points) HO X ОН Br
2) Propose a mechanism for the major product of the following reaction? CнЗ CH3 heat CH3 —С —снснз + нBr I H CHз Он CH CCHCH3 Br CH3 CH3 CHS Cus-C-GHCHS CHSC CHS C-CHCHS CH CHS
propose a mechanism for the following reaction ΟΞΟ H2SO4/H30 co heat
Propose a mechanism for the addition of water and bromine to cyclopentene, taking care to show why the results of the product (halohydrin) trans and how both enantiomers are formed.
16. a) (4 points) Propose a mechanism for the following isomerization reaction: OH H3O+ ОН b) (4 points) Briefly explain why above reaction equilibrium favors compound B.
Practice Problem 12.38 Propose a mechanism for the following reaction: BrMV он OH Nah 12.38a1 Draw step 1 of the mechanism using curved arrows. Include lone pairs and charges in your answer. н Edit I
Problem 7 (10 pts) Propose a curved-arrow mechanism for the following transformation: он он O HS0, (cat), Ho он Problem 7 (10 pts) Propose a curved-arrow mechanism for the following transformation: он он O HS0, (cat), Ho он
help with all questions 11) Propose a plausible reaction mechanism for the following reaction HCL, H,O Heat 12) Using arrows, show the mechanism for the formation of phosphorous ylide CH,) +X base (B) :B Phosphoeous ylide 13) Complete the following Wittig reaction for the formation of 2-methyl- 3-phenyl-2-pentene Alkene 14) Label the indicated carbon center as acetal, hemiacetal, ketal or hemiketal CH3 0 11) Propose a plausible reaction mechanism for the following reaction HCL, H,O Heat 12) Using arrows, show...