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HW08MWF9a - The line-angle structure given below is drawn...

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MWF 9:00 Section Bocknack CH 310M/318M Fall 2009 UTEID: Please submit to the correct slot in the collection box outside WEL 2.212!!! Last Name: First Name: Score: Graded Homework Problem #08 Deadline : 3:00 p.m., Monday, 10/5/09 LATE WORK WILL NOT BE ACCEPTED OR GRADED!!! This problem is worth a total of 20 raw points. Each box is worth 4 points. The molecule shown below is artemisinin, which is a naturally occurring compound that can be isolated from the plant Artemisia annua . Artemisinin is used in combination with other drugs for the treatment of multi-drug resistant strains of malaria.
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Unformatted text preview: The line-angle structure given below is drawn in a manner which shows the absolute stereochemistry of the molecule clearly and unambiguously. Please look at this line-angle structure, and determine the total number of chiral centers present in artemisinin. Write your answer in the appropriate box. Several (but not all) of these chiral centers are marked with arrows. In the box associated with each arrow, indicate the stereochemical configuration of the chiral center as ( R ) or ( S ) . Total number of chiral centers present = O O H O H O O H Artemisinin...
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