CH223 001 HW 30 - CH223 001 HW 30...

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CH223 001 HW 30 (Daily) SHAW ROBERT H CH 223, section 001, Fall 2008 Instructor: Kay Sandberg Web Assign Current Score: 8.75 out of 10 Due: Wednesday, November 5, 2008 07:00 AM EST Description This assignment corresponds mainly to Lecture 30 and the DE presentation(s) which accompany it. Instructions The due date for this assignment is past. Your work can be viewed below, but no changes can be made. 1. 1/1 points Draw the skeletal structure of the indicated species. LDA is added to a solution containing propyl ethanoate. After this reaction has gone to completion, pentanal is added. Once this reaction is completed a water workup is performed. Draw the skeletal structure of the major organic product. CCCCC(O)CC(=O)OCCC Solution or Explanation LDA deprotonates each carbonyl alpha-C of ester. This ester enolate attacks the carbonyl carbon of the aldehyde creating a beta-hydroxy upon water workup. CH223 001 HW 30 http://www.webassign.net/[email protected]/student.pl?m=200812071... 1 of 7 12/7/2008 1:17 PM
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2. 2/2 points Draw the skeletal structure of the indicated species.
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