Exam 1 - F2001 - CHEM 2380 Page 1 of 7 CHEM 2380 Dr S A...

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CHEM 2380 Exam 1 Name __________________ Dr. S. A. Dandekar (100 points) September 25 th , 2001 Answer all questions on these sheets, using additional pages if necessary. Show all work for possible partial credit. GOOD LUCK!! Section A: 64 points Select the best answer from the given choices for ANY 16 of questions 1-18. You may attempt more than 16 questions if you wish: I will count your best 16. ( 4 points each) 1. Your task is to synthesize the following compound through a Grignard synthesis. Which pairs of compounds listed below would you choose as starting materials? d. More than one of these e. None of these 2. What would be the product, C, of the following reaction sequence? a. 2,6-Dimethylheptane b. 2,2-Dimethylpropane c. 2-Methylpentane d. 2,2,5-Trimethylhexane e. e. 2,2,6-Trimethylheptane Br O and a. b. c. O Br and and Br O OH Br Li A CuI B Br C Page 1 of 7 CHEM 2380 8/31/2007 http://www.chem.unt.edu/CHEM2380/2380Ex1.htm
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3. Select the correct reagent(s) for the following reaction: 1. LiAlH 4 ; then H + 2. NaBH 4 ; then H + 3. H 2 with Pt/C a. 1 b. 2 c. 3 d. 1 and 2 e. 1, 2, and 3
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