0771-Q-06B-KEY-1 - Monday, February 21, 2011 Please PRINT...

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Monday, February 21, 2011 CHM 2211-0771 Quiz #06 Form B Page 1 of 1 Please Last PRINT name: First name: UFID: ______ /20 pts. Put your answers in the spaces, or check R or insert your answer Graded by 1. ( 6 pts ) See Problems 19.18 (a) Provide the (most commonly used) reagent that will initiate the aldol reaction of the aldehyde (step 1). (b) Draw (complete) the structure of the resulting first-formed species . (c) Draw curved electron arrows to show the electron flow when the species in (b) reacts with another molecule of the aldehyde (step 2). (d) Draw (complete) the structure of the aldol product resulting from the reaction with water (step 3). PhCH 2 H O NaOH (a) Reagent for step 1 (b) First-formed species C H O H Ph Na PhCH 2 H O (c) Step 2: Curved el arrows Step 3: H 2 O PhCH 2 OH Ph O H (d) Aldol product – H 2 O _____ 2. ( 4 pts ) See Problems 19.19 (a) Draw the structures of the two starting materials 1 and 2 that with the same reagent as in 1. (a) (step 1) and followed by heating (step 2) will form the α , β -unsaturated ketone as the product.
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