CHEM 263 - Exam IIa - June 13, 2005

CHEM 263 - Exam IIa - June 13, 2005 - tert-butylmethyl...

Info iconThis preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon
Chemistry Department University of Alberta CHEM X63 Exam II Monday, June 13, 2005 1. Name the following compounds: a. (R)-2,3-dihydroxypropanal b. oxacyclopentane or THF 2. Complete the following partial structure of (S)-3-ethoxy-2-butanone: 3. What reagents would you use to effect five (5) of the following conversions?
Background image of page 1

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

View Full DocumentRight Arrow Icon
a. b. c. d. e.
Background image of page 2
f. 4. Give the structure(s) of the principle organic products of five (5) of the following reactions: a. b. c.
Background image of page 3

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

View Full DocumentRight Arrow Icon
d. e. f. 5. Provide a synthetic pathway for two (2) of the following transformations: a.
Background image of page 4
b.
Background image of page 5

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

View Full DocumentRight Arrow Icon
c. Do NOT use a Wittig reaction 6. Circle the strongest acid. 7. Propose mechanisms for the following reactions: a.
Background image of page 6
b.
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
8. In principle, the two reactions shown below could be used to prepare
Background image of page 9
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: tert-butylmethyl ether (MTBE), a gasoline additive, via an S N 2 process. On closer examination, however, one of these reactions would clearly fail to produce the desired product. Which one would fail? Explain by means of a mechanism why it would fail. The second reaction will fail as there is a strong base in the presence of a tertiary bromide. Therefore an E2 process will occur: CHEM X6X Home Page | Facult√© Saint-Jean | University of Alberta | Chemistry Department This page is maintained by Dr. Ed Blackburn ( [email protected] ), course instructor. Updated June 13, 2005...
View Full Document

This note was uploaded on 07/05/2008 for the course CHEM 263 taught by Professor Blackburn during the Summer '05 term at Manitoba.

Page1 / 9

CHEM 263 - Exam IIa - June 13, 2005 - tert-butylmethyl...

This preview shows document pages 1 - 9. Sign up to view the full document.

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