Provide a chemical structure(s) for the major product in the structure(s) for the major product in...
3. Give the major product(s) or provide the correct missing substrate or reagent for each of the following reactions. Pay attention to the regiochemistry and stereochemistry where appropriate. (6 pts) 1) xs. 12, HO- 2) H30* 1) PBr3, Br2 2) CH3OH Eto EtOH, A 1) LDA, THF, -78 °C 1) Eto- 2) Br 3) H307, A Eto Et 1) Eto-, EtOH homlo + Ph Ho 2) H30+
Provide the major product(s) for the following Provide the major product(s) for the following reactions. Be sure to note stereochemistry and racemic mixtures. NaOH, H29 2 100 °Ç ? NaOH, H2O H 0°C H W H CCl3 OC (provide product of both steps) H a. Hn b. CHEM 370 W13 Homework Page 1 of 2 giorel Noot Hoi solu NOEL IN DER NaOH, H2O 100 °C Hv NaOET, H OEt EtOH 8. Eto- i. LDA, -78°C NaO Me MeOH Оме...
provide the structure of the major product formed in the following reaction CHM2220 Name Provide the structure of the major product formed in HBr 13 NBS (1 eq) CH C, light DMSO ONa н,с 15. Nal acetone 16 CH,CH20Na CH,CH2OH 17 CH,SNa Нс. Ethanol (pk, CH,SH-10.5) 18. HBr (aq) Н-о 19. CH2OH Вr Methanol 20. CHа CHSCH2ONA* CH2CH2OH 21. HBr Peroxides 22. Br CH,ОН 23. Methanol
1. Draw the major product(s) from the following Robinson Annulation reactions: Linda 2. Provide the starting materials that would yield the following Robinson Annulation products: Eto Na ETOH Eto Nat ЕОН EtO'Na* ELOH
1. For each of the following reactions, provide the structure of the major organic product(s). Show all the relevent stereochemistry clearly. who CH2OH reflux CH2CH3 Na SET Br DMSO, 20 °C I- A to CH2CH3 CH3 H- EtOH OTS 20 °C Me NaNH2 NH2 DMSO dilute solution of substrate 2. Complete each of the following reaction by providing reagents and conditions (solvent. temperature, concentration, etc.) so that the product shown will be the major one. Note: for c), two steps...
3. (24 pts) Provide the structure(s) of the major product formed in the following reactions. Be sure to show any significant stereochemical details. (a) 2 1. -OH, H2O H 2.H20, heat (6) CI AICI: (c ) SH HS H2SO4
10. Provide the reagents necessary to complete the following transformation. 13. Provide the structure of the major organic product of the reaction below 10. Provide the reagents necessary to complete the following transformation. A. 1. BH3 THF 2. H202, HO B). H20, H2SO4 C. OsO4. H202 D. CH3CO3H E. 1. CH3CO3H 2. H, H20 11. Which of the following is the best reaction sequence to use if one wants to accomplish a Markovnikov addition of water to an alkene with...
Dr. Samoylenko Homework #2 CH 320N 23. Write the product(s) for the following reaction sequences. Draw only the predominate reciosomer and indicate the stereochemistry where appropriate. If a racemic mixture is formed, you may indicate this using a wavy line www or mark the chiral center with an asterisk (*), and write racemic in the box. 1) HBT, H202 2) 2 mol Li, pentane 3) Cul, EI O 4) Br 1) Mg. El Br 2) 8 3) HCVHO 4) H...
7. Provide the structure of the major organic product of the reaction below. 1. BH; THE 2. H,O, HO Draw the major organic product generated in the reaction below. Pay particular attention to regio- and stereochemical detail. 1. BHz. THE 2. H2O2, HO
3. (continued) For each reaction, draw the structure of the major product(s) including stereochemistry where appropriate. Fill in the box below each arrow with the mechanism(s) that will be followed (SN1/E1, SN2, or E2). For SN1/E1 reactions, draw products for both. g) Сн,сн,он h) CH2O- Na CH3OH i) Me. Br A Eto Nat Me