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Material Type: Exam; Professor: Blackstock; Class: Elem Organic Chem II; Subject: CH-Chemistry; University: University of Alabama; Term: Unknown 1989;
Typology: Exams
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Exam #2 Chemistry 232 Blackstock July 26, 2007 Name:____________________________(print) Honor Pledge: ______________________________ (sign) You have 90 minutes to complete this exam. Exams are due at 9:30 AM. Partial credit will be given for partially correct answers in most cases, so be sure to show your work. I. General Knowledge & Exam 1 review ( pts)
I. general knowledge (p1) ______ (34 pts) (p2) ______ (18 pts) II. reactions ______ (29 pts) III. mechanisms ______ (12 pts) IV. synthesis ______ (12 pts) TOTAL ______ (105 pts) (5 pts extra credit)
IV. Mechanism (12 pts) Provide detailed mechanisms for the transformations given below, showing every step in the process clearly and using electron pushing arrows for all steps except protonations/deprotonations. (a) (6 pts) NH 2 OH, H+^ catalysis N OH
V. Synthesis (10 pts) Provide a reaction sequence to accomplish the following conversions (left to right) using any reagents needed to convert the carbons of the starting material into the product structure. Show reactants, products, and necessary reagents for each step in the sequence, but do not show mechanisms here. (1) (6 pts) convert O to O (2) (6 pts) O convert to OH OH