steps invol CH2 unds from OL. ) Show how you would synthesize the followine compounds to...
be one or more steps involved. 6) d a te the necessary reagents) to perform the following transformation HO e.. Draw the structure of the product(s) of the following reactions. 16. 1. DIBAL-H, 2. H2O 1. CH, MgBr, Et,0,2.H.HC . 1. (BO), AIH, Et,Q 2. 120 1. (CH), Culi 2. H2O
Show how you would synthesize the following compounds from 1-methylene cyclopentane Q3. (i) Show how you would synthesize the following compounds from (Note; More than one step may be required) (8) - CH2 a). - NAPH NHPh
1. 2. Show how you would synthesize benzylamine from each of these compounds, using the following available reagents More than one step may be required. Enter the letters of the reagents necessary, in the order that they are to be used. Do not separate the reagents with punctuation. OH CI Reagents Available (a) NH3 (b) excess NH3 (c) H*, A (d) SOCl2 (e) N3 (f) H2, Pd/C (g) LiAlH4 then H20 (h) NaOH (i) CO, H2, heat and pressure Previous...
How would you carry out the following conversions? multiple steps would be required. Separate the steps with numbers. Be specific with your reaction conditions as solvents and catalyst may be needed. Chem 227: Worksheet 8 Multi-step Synthesis (8 points) How would you carry out the following conversions? Multiple steps would be required. Separate the steps with numbers. Be specific with your reaction conditions as solvents and catalyst may be needed HCC - CH(CH3)2 B H ,CC= C-CH(CH3)2 H₂Cc dicholz
skip 5b 4. Show how you would synthesize the following aldehydes by adding the appropriate Grignard reagent to formaldehyde. (a) H (b) H 5. Predict the products of the following reactions: (a) 1.) LIAIH 2.) H,0 (b) CH,CH2CH2CH,CENH CH,CH,M B , then H,0* + 1.) DIBAL-H (-78 C) (c) 2.) H,O OCH3 1) DIBAL-H (-78 C) 2.) H,O 3
how many synthetic connections for alkene and alkyne 2. Is the Zaitsev Rule wrong? Explain the following observation. Make comparative predictions about the rate constants ki and k2. 80% 20% on CH₂ 100% 3. Using curved arrows to show the movement of electron pairs, give a detailed mechanism for the following reactions. H2SO4 H20 195010 - + H20 H2SO4 H2O CH3 H3C-C-CH2-OH- CHE HECH = + H₂O H₃C CH₂ 4. See how many synthetic connections you can make on the...
'HNMR - Problem Set-3 How would you distinguish between the compounds in each of the following pairs by 'H NMR? a. CH CH2CH2OCH; and CH3CH2OCH2CH3 b. BrCH CH CH Br and BrCH2CH2CH NO2 CH3 CH3 c. CH:CH-CHCH; and CH3 CH CH CH3 CH CH d. CH3-C-C-OCH; CH OCH and CH3-C-CH; OCH e. H3C CH; -C-CH3 CH; and -CHỤCCH CH 'HNMR-Problem Set-3 (Page 1 of 2) Name Write the structural formula for each of the following compounds from the 'H NMR...
17-52 Show how you would synthesize the following compounds, starting with benzene or toluene and any necessary acyclic reagents. Assume para is the major product (and separable from ortho) in ortho, para mixtures. 1-phenyl-1-bromobutane 1-phenyl-1-methoxybutane 3-phenylpropan-1-ol ethoxybenzene 1,2-dichloro-4-nitrobenzene 1-phenylpropan-2-ol p-aminobenzoic acid 2-methyl-1-phenylbutan-2-ol 5-chloro-2-methylaniline 3-nitro-4-bromobenzoic acid 3-nitro-5-bromobenzoic acid 4-butylphenol 2-(4-methylphenyl)butan-2-ol
Which of the following series of steps would most efficiently synthesize the target molecule from the given alcohol? HO Target 2 3 4 PCC 1. CH3MgBr 2. H20 H2SO4 Pd-o H2 1 2. 3 PCC 1. CH3CH2MgBr 2. H20 H2SO4 Pd-C H2 1 2 3 4 PCC 1. CH3MgBr 2. H2O H2SO4 Pd-C H2 0 1 2 3 4 PCC 1. CH3CH2MgBr 2. H₂O H2SO4 Pd-C H2 1 2 3 Na Cr2O7 H307 1. CH3 MgBr 2. H20 H2SO4 NaBH4...
show how to carry out the following synthetic transformations using any compounds with one or two carbon atoms, any necessary solvents, and any Inorganic reagents. Clearly indicate reaction conditions. More than one synthetic step will be required (work backwards!) 1-Bromopentane- 2-Chloropenia H-C=C-H H₃C Br H-C=C-H - Br CH3 CHO H-C=c-H HO HIC TOH meso H-C=C-H c=CH₂ H3C CH(CH2).CHCI - CH(CH2),CHCHCI Наснас н H3CH2CCECH 4 CH₂CH₃ H3CH2CCECCH2CH3 Br Br CH,CH,CHCHCH.CH meso trans Ph trans OH show in most stable chair conformation)...