{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

ut5-507a - CHEM 228 Section 507 UNIT TEST 5 1 1 a Indicate...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
CHEM 228 Section 507 UNIT TEST 5 1 1. a) Indicate the most acidic hydrogen(s) in each compound below by circling them or drawing them in if they are not shown. (3 pts) OH O CH 2 C H O H 3 C C H 2 CH 3 O O I II III b) Rank the molecules above in order of increasing acidity ( least acidic to most acidic). Circle the letter corresponding to your answer. (2pts) a. III, II, I b. II, III, I c. I, II, III d. II, I, III c) Draw the structures for all enols of Compound II . (2 pts) 2. Consider the reaction sequence below to answer the following questions: 1. NaOEt, EtOH 2. H 3 O + 1. NaOEt, EtOH 2. BrCH 2 Ph H 3 O + heat A B Compound D + EtOH + CO 2 C CH 3 COEt O 2 H 3 C OEt O O H 3 C OEt O O CH 2 Ph a) Below are the structures and intermediates for the conversion of Compound B into Compound C . Draw arrows showing the electron flow in this conversion. (4 pts) H 3 C OEt O O H H O Et H 3 C OEt O O H PhH 2 C Br H 3 C OEt O O CH 2 Ph © Tammy H. Tiner, 2005
Background image of page 1

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

View Full Document Right Arrow Icon
CHEM 228 Section 507 UNIT TEST 5 2 2. b) Write the complete stepwise mechanism for the conversion of
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}