University of Texas - CHEM 320HW-3-Key (1)

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HW-3 Dr. Shabbir OChem-II Due 02/28/2018 1 Name: _____________________________________________________ Signature: _________________________________________________ UT-ID: _________________________... _____________________________ Please Print the first three letters of your last name in the three boxes Reminders: In order to get a grade for your HW • You must have ALL your answers written in permanent ink • You must STAPLE all your HW pages together • You must submit your HW on-time K E Y https://www.coursehero.com/file/28911654/HW-3-Key-1pdf/ This study resource was shared via CourseHero.comHW-3 Dr. Shabbir OChem-II Due 02/28/2018 2 Q1- Fill in the boxes with the products of the following reactions. Draw only the MAJOR product and indicate stereochemistry. When a racemic mixture is formed, you must draw both enantiomers and write “racemic” in the box. Q2-In the box list the sequence of reaction for the following transformation. OH O O NH2NH2 KOH Zn(Hg) HCl NH3 pH=4 1. LiAlH4 2. H3O+ 1. NaBH4 2. H3O+ H2/Pd OH O OH OH OH OH O NH OH O OH O OH OH O OH Racemic OH O OH OH Racemic OH O OH Racemic O O OH O OH 1. Cat HCl 2. LiAlH4 3. HCl, H2O HO OH https://www.coursehero.com/file/28911654/HW-3-Key-1pdf/ This study resource was shared via CourseHero.comHW-3 Dr. Shabbir OChem-II Due 02/28/2018 3 Q3- Fill in the boxes with the products of the following reactions. Draw only the MAJOR product and indicate stereochemistry. When a racemic mixture is formed, you must draw both enantiomers and write “racemic” in the box. NaBH3CN CH3OH Br2 CH3COOH H O 1. NH3 2. NaBH4 3. H2O O NH pH =4 O H NH2 O Ph H3O+ H3C Draw the Enol NH2 O H O NH2 H O H O pH =4 Draw the thermodynamic Product N Ph OH HN H O H O Br H O H O Br Racemic NH2 N N https://www.coursehero.com/file/28911654/HW-3-Key-1pdf/ This study [Show More]

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