1. Provide a mechamism for the base promoted hydrolysis delta-valerolactone 2. synthesis (6 pts) BONUS 1:...
(2 pts) BONUS 2B: (S)-3-methylbutanal when dropped in water. A. racemizes B. esterifies C. inverts completely to the R configuration D. hydrolyzes E. irreversibly forms the hydrate F. none of the above (4 pts) BONUS 3B: Provide a reasonable, detailed, stepwise mechanism, including appropriate resonance, for the acid- catalyzed hydrolysis of: N-methyl-5-valerolactam (4 pts) BONUS 4B: Provide a reasonable, detailed, stepwise mechanism, including appropriate resonance, for the acid- catalyzed hydrolysis of: ... the base-promoted enolization of propanone, followed by hydrolysis....
(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.)
(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...
1. Draw a detailed arrow pushing mechanism for the following 2. Provide a reasonable synthesis for the following 1. Draw a detailed arrow pushing mechanism for the following: (6 pts) pTSA + HS SH 2. Provide a reasonable synthesis for the following: (4 pts) or On
1. Draw a detailed arrow pushing mechanism for the following: (5 pts) le mono e com OH + HO 2. Provide a reasonable synthesis for the following: (5 pts)
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...
13.) Provide a synthesis for the target molecule shown. (18 pts)product. (6 pts) Bonus: (10 pts) Starting from Benzene and using reagents that we have discussed in class, design a synthesis for the Target molecule (TM) 13. Provide a synthesis for the target molecule shown. (18 pts) go alcohol aketone OH СОН M 얘 SM omgBr =sin 1-2 OH => KongBros Naz6.2010 H2SO4, H2O & H300 q Etmaira H20 어 #C=, 2° alcohol, aldehyde 20 TM o o #C77, Ketore...
1) NaNO2.HCI 2) HEF CH, 1. Na 2 L 14. a. Provide a detailed, stepwise mechani a detailed, stepwise mechanism for the following transformation: CH3 b. Provide the product for each step: 1. HNO..SO 2. HP-C 3. NaNO, HCI 4. HBF 5. KMnO, A CH(CH3
Bonus: (6 pts) Provide a synthesis for the target molecule using benzene. COH 01 Lo CO2H SM TM
please answer and show work for stepwise synthesis and other questions. 1. Provide a stepwise synthesis for the dipeptide Ser-Phe. Draw all steps including protecting groups. H2N-CH-C-OH H2N-CH-C-OH CH2 Phe Ser 2. Using ethyl 3-methylbutanoate as your only source of carbon and using any other reagents necessary, propose a stepwise synthesis for the following conversion. 3. Provide the reagents necessary to carry out the following conversion. 4. Provide the structures of the products in each step of the following reaction...