Practice 1-1 A - Chemistry 436 Professor Paul J...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Chemistry 436 Professor Paul J. Hergenrother University of Illinois, Urbana-Champaign Answers to Old Test #1a - You must use pencil for the exam. - Illegible answers cannot be graded and will receive no credit. NAME:________________________________ 1 21 points 2 18 points 3 9 points 4 42 points 5 10 points total 100 points
Background image of page 1

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

View Full DocumentRight Arrow Icon
1. Predict the major product in the following transformations. Please show stereochemistry, where appropriate. If there is no reaction, simply write “No Reaction”: (3 points each) OH O OH acid O OH O Acid, molecular sieves MeOH as solvent OH H O O 1 equivalent of CH 3 CH 2 MgBr 1) 2) Aqueous workup O 1) 1 equivalent of NaH, room temp. 2) EtBr O H O 2 equivalents of EtOH catalytic acid molecular sieves PPh 3 1 equivalent of n-BuLi propanal O OOH O a) b) c) d) e) f) g) (this enantiomer only) O O O O OMe O OMe MeO No Reaction O Ph (racemic) O OEt OEt
Background image of page 2
2. Predict the products and draw out mechanisms for the following transformations. Be sure to draw out any and all by-products. (6 points each)
Background image of page 3

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

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

This note was uploaded on 03/18/2010 for the course CHEM 436 taught by Professor White during the Spring '08 term at University of Illinois, Urbana Champaign.

Page1 / 9

Practice 1-1 A - Chemistry 436 Professor Paul J...

This preview shows document pages 1 - 4. Sign up to view the full document.

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