Chem241a_Lecture_27 - Organic Chemistry 241a Prof. Bogdan...

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Organic Chemistry 241a Prof. Bogdan Olenyuk Contact Information Office: Old Chemistry 309 olenyuk@email.arizona.edu Phone: (520) 626-0754 Course web site: http://www.chem.arizona.edu/courseweb/074/CHEM241A1_2/FrameSet.html
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Chapter 9: Stereochemistry • Fischer projections • Stereochemistry in reactions, part II Today we will cover: Reading Assignment: McMurry (the BOOK), Ch. 9.6-9.14
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Fischer Projections Manipulating Fischer projections: CH 3 HO H CH 2 OH ( S ) rotate 180º in plane CH 3 H HO CH 2 OH ( S ) flip over rotate 90º CH 2 OH H CH 3 or CH 3 HO H CH 2 OH ( R ) ( R ) H HOCH 2 CH 3 OH ( R ) A DB C = A C B D = C A D C B
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Question Assign R and S configurations. Then determine whether the structures in each of the following pairs are enantiomers or identical. CH 3 HB r 2 3 H CH 3 CH 2 CH 3 Br CH O OH H CH 2 OH CH HO H CH 2 OH O CO 2 - H + H 3 N CH 3 CH 3 CO 2 - H + H 3 N CH 3 HO H CH 2 CH 3 H CH 3 OH CH 3 CH 2 Fischer Projections
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Answer Assign R and S configurations. Then determine whether the structures in each of the following pairs are enantiomers or identical.
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Chem241a_Lecture_27 - Organic Chemistry 241a Prof. Bogdan...

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