Weekly Review 4

Weekly Review 4 - Review4 WeeklyReviewLecture ChemS20ab...

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Review 4 Weekly Review Lecture Chem S 20ab Reactions you learned this week (add to your chart): 1) Electrophilic aromatic substitution a. Adding -NO 2 b. Adding -Br or -Cl c. Adding -SO 3 H d. Friedel-Crafts acylation e. Friedel-Crafts alkylation (used for tert-butyl or isopropyl only!) 2) Nucleophilic aromatic substitution a. Addition-Elimination (through EWG-stabilized anionic intermediate) b. Elimination-Addition (through benzyne intermediate) 3) Diels-Alder with benzyne (only use NaNH 2 as base for making benzyne) 4) Reactions of aldehydes and ketones a. NaBH 4 reduction of aldehyde or ketone (revisited) b. LiAlH 4 reduction c. Cyanohydrin formation d. Grignard or alkyl lithium addition e. Hydrate and/or hemiacetal formation (generally not synthetically useful) f. Acetal formation g. Imine formation h. Enamine formation i. Clemmensen reduction j. Wolff-Kishner reduction k. Thioacetal reduction l. Wittig alkene synthesis m. Aldehyde oxidation to carboxylic acid n.
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This note was uploaded on 01/22/2012 for the course CHEM CHEM E-2B taught by Professor Loganmccarty during the Summer '09 term at Harvard.

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Weekly Review 4 - Review4 WeeklyReviewLecture ChemS20ab...

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