Question

please help ASAP in these practice questions.

thank you so much in advance!

Temple University Department of Chemistry Chemistry 2201 - Organic Chemistry Exam 2 October 31, 2019 Sieburth - Motsch Answer all questions lepibly in the space provided. Sec. 012 Tues 14:00 Sec013 Wed 10:00 Sec. 014 Thurs 10:00 Check a box ( point): Sec. 011 Mon noon Sec. 015 Film Name Student ID 1. For the two exergonic substitution reactions A and B shown, *) Draw the two free energy diagrams. b) Label the starting bromide for reaction A ( R c) Label the product of reaction A as (R) or (S). d) Draw the expected product(s) of reaction B. 18 S Reaction coordinate Peaction coordinate B FOH, do 2. Three structures are shown below. Clearly label cach of the stereogenic centers as (R) or (5) Label each of the double bonds (not the benzene rings) as (E) or (Z). If the molecule is meso, label it as such. (34 points) ahogo on H OH a-Chloralose Indan-Ambox 25-hydroxyvitamin D page 1___52 page 2 47 page 3_ 151 page 4 /50 total

Answer 1

# S- EN No Pin i Ne Yabr Br Product SS.M Ts T.S. high energy For A k borrows say S.M product Ric. H :0H2 OH Intermediate S-SEL" or Sest s- 47 T.S.-1 #0" OH TIS-2

T. SI TS-2 Inter- -mediate S.M. Product b. - c. The starting bromide is The configuration is 's'. The product In A is on Ne The configuration is a The expected product in B is In li ratio. 2. in HO11 +