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Unformatted text preview: 4 or P P O OMe S N 2 style attach occurs from least sterically hindered side. S N 1 like OH O H + O H Stabilzed tertiary carbocation MeOH-H + OH MeO Determined by Sterics Determined by catrbocation stability 3. (8pts) Provide starting materials or products for the following transformations on the line provided. In the box, indicate whether this transformation is an oxidation (yes=oxidation, no=not and oxidation). 4. (1pt) If methanol has a pKa of 15 and phenol has a pKa of 10, which is more acidic? Phenol. pKa= - log(Ka) OH S Cl O O N Br PBr 3 CrO 3 O O O O H Cl oxidation? a. b. c. d. OH Cl yes no or SO 2 Ph OH no O yes...
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This note was uploaded on 12/30/2011 for the course CHEM 236 taught by Professor Baranger during the Spring '08 term at University of Illinois at Urbana–Champaign.
- Spring '08
- Organic chemistry