FINAL2007

FINAL2007 - antiaromatic nonaromatic aromatic antiaromatic...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
CHEMISTRY 2261 December 14, 2007 FINAL EXAM NAME (PRINT)____________________________________________ 1 2 3 4 5 6 7 8 TOTAL 9 LIST number 1. (8 pts, 4 pts ea) Provide the required diene and dienophile for each of the following Diels-Alder reactions. a) b) MeO 2 C OMe OMe MeO 2 C O OMe MeO 2. (15 pts, 3 pts ea) Indicate reagents and conditions for the following transformations. CN OH OMe CN OMe OH CO 2 H
Background image of page 1

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

View Full DocumentRight Arrow Icon
2 3. (10 pts) Suggest an efficient reaction sequence for the preparation of the following compound from the indicated starting materials and any other necessary reagents. from and Br O HO 4. (8 pts) Provide a mechanism for the following reaction. OH H 2 SO 4 !
Background image of page 2
3 5. (10 pts, 2 pts ea) Assuming planar structures, characterize the following compounds as aromatic, antiaromatic, or nonaromatic. aromatic antiaromatic nonaromatic aromatic
Background image of page 3

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

View Full DocumentRight Arrow Icon
Background image of page 4
Background image of page 5
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: antiaromatic nonaromatic aromatic antiaromatic nonaromatic aromatic antiaromatic nonaromatic aromatic antiaromatic nonaromatic choose one O O O N O 6. (8 pts) Which isomer of C 10 H 8 O shown below is the strongest acid? Provide an explanation in terms of resonance stabilization of the conjugate base. OH OH 7. (6 pts, 3 pts ea) Give the major product(s) of each of the following reactions. a) HBr + b) HI + O O 4 8. ( 20 pts, 2pts ea) Indicate reagents and conditions for each of the following transformations (each is one step). O Br O 2 N H 2 N Br CO 2 H 5 9. ( 15 pts, 3 pts ea) Indicate reagents and conditions for each of the following transformations (more than one step may be necessary). a) c) b) d) e) CN MgBr OH CN...
View Full Document

This note was uploaded on 06/09/2011 for the course CHEM 2261 taught by Professor Crowe during the Spring '08 term at LSU.

Page1 / 5

FINAL2007 - antiaromatic nonaromatic aromatic antiaromatic...

This preview shows document pages 1 - 5. Sign up to view the full document.

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