20) 20) Which of the following syntheses gives 3-methyl-1-hexanol? O Mg 1) A) 2-bromopentane diethyl ether...
(2) NaBH4 (2) H202 OH cold, dilute KMnO4 "ОН H,C H,C HCO,H H,O с-с CH CH2CH, CH,CH2CH Predict the major products of the following reactions, including stereochemistry where appropriate. (a) (R)-2-butanol + TsCl in pyridine c) cyclooctanol + CrO3/H2SO4 (e) cyclopentylmethanol + Na2Cr 01/H2SO4 (g) n-butanol + HBr (i) potassium t-butoxide + methyl iodide (k) cyclopentanol + H2SO4/heat (m) sodium ethoxide +1-bromobutane (b) (S)-2-butyl tosylate +NaBr (d) cyclopentylmethanol + CrOs pyridine HC cyclopentanol + HCI/ZnCl2 (h) cyclooctylmethanol + CH3CH2MgBr (G)...
Mg, ether 1-bromobutane. (D) KOH, H2O (A) Na (B) CH CH Br (C) (i) CH30CH2 3 (E) (2) H30 H2SO4, heat (F)
For each reacuon ere s only as an aid for you. 1) KOH, H-O, heat Diethyl malonate B 1) Ph3P, ether 2) nBuLi, ether CIH1204 2) H, H2O, heat C1SH2406 CHH1202 NaOEt, EtOH Br OCH2CH3 3) PHCHO NH/heat Note: The C-13 NMRS for Structures C, D, and E each show 7 resonances LIAIH D E C1HNO ether C1H1SN Br 1) SOCI2, pyridine F 2) CH3OH 1) CH2COCI,AICI3 1) Mg(s), Et20 H 2) diisopropyl amine, pH 4.5, NaBH3CN 2) CO2 (s)...
1) What are the products of the following sequence of reactions? Write the structure of the intermediates (reaction with Mg), and the structure of the final product. 1) Mg, Diethyl ether Н.о А В Br A) 2-butanol and MgHBr C) butane and Mg(OH)Br B) butane and MgHBr D) 2-butanol and Mg(OH)Br 2) What is the major product of the following reaction? Write the structures of intermediates and the products. 2) G) PO 2. H,о* Mg, Diethyl ether А 1. Н,С-0...
Identify the product of the following reaction. 1) Cl2, FeCl3 2) Mg, ether 3) CO2 4) dil. aq. NH4Cl 5) cat. H2SO4, CH3OH A) OH B) C) D) Identify the IUPAC name for the following structure. ethyl 3,6-diethyl-2-fluorobenzoate O 1,4-triethyl-3-fluorobenzoate 3,6-triethyl-2-fluorobenzoate ethyl 1,4-diethyl-3-fluorobenzoate Identify the y-lactone below. ZI A) B) -ΝΗ C) D) O A O
A set of reagents to accomplish the following transformation is: H.C (A) 1. PCC, CH.Cl: 2.CH,MgBr; 3. H,0; 4. HBr (C) 1. PCC, CH.CI2.CH,MgBr; 3.1909, 4. Brz (B) 1. HBF, ROOR; 2. CH,MgBr; 3. M,0", 4. PCC, CH,Cle (D) 1. Br; 2. Mg, ether; 3. CH,Br
Homework Problems 8.1 Draw the structural formula for each of the following: a. 5-chloro-4-methyl-2-hexanol b. 2,3-dimethylcyclopentanol c. 5,5-diethyl-1-heptanol d. 2-ethyl-4-isopropylcyclohexanol e. 4-ethylphenol f. 2-nitrophenol g. cyclopropyl methyl ether h. isopropyl propyl ether 8.2 Give the product for the dehydration of each of the following alcohols. CH-CH2-CH3 a. ОН b. ОН C. OH d. 8.3 What product would result from the oxidation of each of the following alcohols? Write the chemical equations. a. 2-butanol b. 2-methyl-2-pentanol c. cyclohexanol d. 3-ethylcyclopentanol Name...
21. Please give the structures of the product for each step. (20 pts) 1. LIAIH(O-t-Bu)s -78 °C COOH CH,NH2 72- sOCl н" а). 2. H2O Br PhP CH 1. CHyCN Mg b) Wittig reaction 2. H,O Ether 1) 2 eq. CH,MgBr Он CH,CH2OH c) 2) H,0 н" N н SOCI2 он d)
Provide the product for the following reaction І. Br HOCH,CH,OH Mg/ether H2SO, Н,0° 2. H,0 но он ОН он IV он у Predict the product of the following synthesis. 1. Br2, H20 2. NaOH, HO 3. CH2OH, H+ OCH, н,со OCH, A B с OCH OCH OCH, D E Predict the product for the following reaction. OH Acid Catalyst + 25 °C O А D с B
please answer all questions please thank you!! (A) Cl 1,Mglir / then HO' (11) NIIS (C) Hi (D) Nalilh 121. Which of the following compound with gives a proton NMR spectrum 1.2 (61M, 0,3.6(4,7 (A) ethylethanoate (1B) 2-butanone (C)3-pentanone (D) diethyl ether (2)2-pentanone 3. The product expected in the following reaction is an NH2 HaC (A) amine (B) ammonium (C) amide (D) enamine (3) imine 4. Which of the following reagent(s) can be used to convert 3-methyl pentanoic acid to...