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(2 pts) BONUS 2B: (S)-3-methylbutanal when dropped in water. A. racemizes B. esterifies C. inverts completely...
BONUS 1B: (S)-3-methylbutanal ________ upon sitting in an acidic
or a basic aqueous solution. A. racemizes B. esterifies C. inverts
completely to the R configuration D. hydrolyzes E. irreversibly
forms the hydrate F. none of the above
(2 pts) BONUS 1B: (S)-3-methylbutanal upon sitting in an acidic or a basic aqueous solution. A. racemizes B. esterifies C. inverts completely to the R configuration D. hydrolyzes E. irreversibly forms the hydrate F. none of the above (2 pts) BONUS 2B: (S)-3-methylbutanal...
(4 pts) BONUS 1A: Name appropriately. НО. CH H CHE (4 pts) BONUS 2ASynthesis: buffer H2N "NH2 (4 pts) BONUS 3A: Synthesis: -NH acetic anhydride (2 pts) BONUS 4A: provide / draw an acceptable structural representation as directed for: lithium diisopropylamide (including any lone-pair electrons) (2 pts) BONUS 5A: (S)-2-methylbutanal B. esterifies A. racemizes D. hydrolyzes upon sitting in an acidic or a basic aqueous solution. C. inverts completely to the configuration E. irreversibly forms the hydrate
(8 pts) 4. Provide a reasonable, detailed, stepwise mechanism for the acid-catalyzed hydrolysis of the following. Include appropriate resonance structures. (Hint: consider the CEO to CoN mechanism.)
1. Provide a mechamism for the base promoted hydrolysis
delta-valerolactone
2. synthesis
(6 pts) BONUS 1: Mechanism: Provide a reasonable, detailed, stepwise mechanism for the base-promo hydrolysis of 7-valerolactone. 0 OH n + font + - сіз 602CH3 COM (3 pts) BONUS 2: Synthesis: 1. Na Cro 3. CH,OH, . A 4,4-dimethylpentan-1-01
18-20. Spectroscopy: (4 pts) 20. Analyze the 1H NMR spectroscopic data provided for C4H7Bro. Provide degrees of unsaturation. Provide the appropriate structure. JA 2.2 (3H, singlet), De 83.5 (2H, triplet), 8c 4.5 (2H, triplet) (ppm) (8 pts total) 21-22. Mechanisms: Provide a reasonable, detailed, stepwise mechanism for: pts, all, if completely correct, or nothing) 21. ... the base-promoted transesterification of ethyl benzoate with sodium methoxide. (4 pts, all, if completely correct, or nothing) 22. the acid-catalyzed enolization of propanone. (10...
(12 pts total) 21-23. Mechanisms: Provide a reasonable, detailed, stepwise mechanism for: (4 pts, all, if completely correct, or nothing) 21. ... the base-promoted transesterification of methyl benzoate with sodium ethoxide. (4 pts, all, if completely correct, or nothing) 22. ... the acid-catalyzed enolization of acetaldehyde. (4 pts, all, if completely correct, or nothing) 23. ... the base-promoted enolization of chloropropanone. (16 pts total) 24-25. Multistep Syntheses: propose a reasonable, efficient, effective, elegant, good-yield synthesis, providing the appropriate reagents and/or...
Organic chemistry mechanisms
i need help with systheses questions 6,7,8,9
2-hydroxybenzoic (3 pts) 5. Provide an appropriate structure for: 3,3-dimethylcyclobutanecarbonitrile. (4 pts each, unless otherwise noted, 12 pts total) 6-8. Syntheses: draw / provide the likely organic product(s) generated in each of the reactions (or reaction sequences) below. As appropriate, pay attention to regiospecificity (new bond formation and location in the product formed) and stereochemistry (direction in space of new bond(s) formed). Indicate ALL likely products: where one product does...