practice_midterm_i_'08[1]-1

practice_midterm_i_'08[1]-1 - a) OH 95% H 2 SO 4 130 C b)...

Info iconThis preview shows pages 1–8. Sign up to view the full content.

View Full Document Right Arrow Icon
Name____________________ CH118B Practice Midterm Closed Book and Notes No calculators 1
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Problem 1 Provide the reagents necessary to carryout the following transformations: Note for part (e) also provide the structure of X . a) CH 3 H CH 3 H OH b) OH c) d) e) 2
Background image of page 2
Br X OH OH Problem 2 Provide the necessary reagents to carry out the following synthetic transformations: (Note: More than one step is necessary for each synthesis!) a) OH Br ? b) OTs CH 3 ? H O O 3
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
c) ? OCH 3 Problem 3 Propose curved arrow mechanisms for the following two transformations: a) H 3 C CH 3 H 2 O H 2 SO 4 O 4
Background image of page 4
b) HO Br 2 O Br 5
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Problem 4 Predict the major products for each of the following reactions, showing stereochemical relationships where appropriate:
Background image of page 6
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 8
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: a) OH 95% H 2 SO 4 130 C b) HBr c) Cl 2 H 2 O d) O 3 CH 2 Cl 2-78 C Zn CH 3 CO 2 H e) mCPBA CHCl 3 f) C C H H NaNH 2 6 Problem 5 What types of changes do most organic molecules undergo upon absorption of : a) infrared light b) radiowaves (in an external magnetic field) c) microwaves d) ultraviolet light e) visible light Problem 6 For each of the reactions shown below, circle the molecule that would be formed in higher yield and explain why the selectivity is observed. a) 7 H C CHCH 3 + HBr Br or Br b) 8 + Br 2 Br Br or Br Br...
View Full Document

Page1 / 8

practice_midterm_i_'08[1]-1 - a) OH 95% H 2 SO 4 130 C b)...

This preview shows document pages 1 - 8. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online