QUIZ+3++blank+

QUIZ+3++blank+ - stereoisomer) or a MIXTURE of...

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CHEM 5lB PRACTICE QUIZ 3 WINTER’08 M. Taagepera Ch. 11: Alkynes and Ch. 12: Oxidation and Reduction 1. PREDICT PRODUCTS (similar to #35, 36, 40) HCl (1 equiv) Cl 2 1. BH 3 2. H 2 O 2 , - OH H 2 O, H 2 SO 4 , HCl (2 equiv) (1 equiv) 1. NaH 2. CH 3 Br 1. NaNH 2 2. O 3. H 2 O HgSO 4 Cl 2 (2 equiv) name: name: 2. MECHANISMS (similar to #32) Give the major product and the mechanism for the following reactions or sequences of reactions. CH 3 C CH HBr 2 equiv a) Give the major product. Show the mechanism for the tautomerization reaction ONLY. CH 3 C CH 1. BH 3 2. H 2 O 2 , - OH b)
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3. SYNTHESIS (similar to #51, 52, 53,54) a) Prepare the following compounds from ethyne. State whether the final product is PURE (one
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Unformatted text preview: stereoisomer) or a MIXTURE of stereoisomers. (1) Br Br-------------------------------------------------------------------------------------------------------------------------- (2) O b) Prepare the product from the given starting material. CH CH 2 C CCH 2 CHOH CH 3 4. CH. 12 - OXIDATION AND REDUCTION (#32) a) Propose the transition state structure for the following reaction. CH 2 CH 3 CH 3 H 2 Pd-C CH 3 CH 2 CH 3 + CH 3 CH 2 CH 3 b) This is a _____________addition and a __________________ reaction. (SYN, ANTI) (oxidation, reduction)...
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This note was uploaded on 04/10/2008 for the course CHEM 51B taught by Professor Taagapera during the Winter '08 term at UC Irvine.

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QUIZ+3++blank+ - stereoisomer) or a MIXTURE of...

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