Devise the synthesis for the following
1. chloroethane from ethane
2. 2-bromobutane from 2-butene
3.p- nitrophenol from phenol
4. p-nitrotoluene from benzene
5. bromobenzene from benzene
6. cyclohexene from 1,3-butadiene
7. polypropylene from propylene
Devise the synthesis for the following 1. chloroethane from ethane 2. 2-bromobutane from 2-butene 3.p- nitrophenol...
2. Devise a synthesis of p-nitro-tert-butylbenzene from benzene. 3. Classify the compounds below as aromatic or nonaromatic.
Devise a synthesis of (Z)-2-butene using one of the starting materials and any of the reagents below using the than the 3 steps allowed, enter "none" for reagents in the remaining unused steps. Starting materials HCECH HCEC-CH, HCEC-CH,CH, HCEC-CH,CH,CH, CH, сн. HC=C-C-CH сн. HC=C-C-CH CH₂ Reagents a NaNH / NH (0) diodo ethane | 1-bromo-3-methylbutane i Hz / Lindlar catalyst b NaOH/H20 e 1-bromopropane ht-butyl bromide k H / NH30) Clodomethane 2-bromopropane Hy / Pd on carbon Na / NH...
Please need help on QUESTION 4
Show step by step in the synthesis of trans-2-butene from acetylene and an alkyl halide. Convert cis-3-hexene to trans-3-hexene. Calculate % yields of 1 -chloropropane and 2-chloroprpane from monochlorination of propane. Refer to the reaction, cyclohexene + NBS rightarrow 3-bromocyclohene, in Fig. 10-2 (p. 293). Write the propagation in three separate steps.
8. Design a synthesis of p-nitrotoluene, starting from benzene (3 pts). from to NO2 4 9. Are the following pairs identical, enantiomers, diastereomers, or constitutional isomers? (4 points) (a) Но, Contact and "CH2CH3 H3CH2C" (b) CH2OH CH2OH HO Н HO- -H and CI Н H CI CH3 CH3
7. 2-butene-1-thiol is one component of skunk spray. How would you synthesize this substance from methyl 2-butenoate? From 1,3-butadiene? CH3CH= CHCH2SH Methyl 2-butenoate 2-Butene-1-thiol o rgic Chemistry II f a n 3 1 Page
Devise a 5-step synthesis of the carboxylic acid from acetylene. 1. reagent 1 2. reagent 2 3. reagent 3 ОН H-C=CH H3C1 4. reagent 4 5. reagent 5
Outline all steps in the laboratory synthesis of the following compounds from benzene and/or toluene, using any needed aliphatic or inorganic reagents. Assume the para isomer can be separated from an ortho,para mixture. Do not show mechanisms. p-bromobenzoic acid m-bromobenzoic acid 2-bromo-4-nitrotoluene 2-bromo-4-nitrobenzoic acid 4-bromo-3-nitrobenzoic acid o-iodobenzoic acid
Propose an efficient synthesis of 2-Bromo-5-nitrotoluene from benzene. Hint: 3 steps. Consider directing effects of substituents. Show intermediates and reagents, the mechanism is NOT required Toluene is the common name for methylbenzene
1. Which Wittig reagent would be used to synthesize 2 CH-CH=P(CAH) CH=P(CHẠh. P(CH3)3 CH,CH,CH-P(CH3)3 IV 2. What is the correct IUPAC name for the following compound? 6 eye 3. What is the correct structure for 7-methyl-4-octanone? 3 4. The products, D and E, of the following reaction sequence, S "CN HCI HCN CH.NO H20 heat would be: CH2CH2CN CH,CH,MgBe HO E ? ether Show how you would synthesize the following compound, beginning with 1-butene, Bromobenzene and any necessary additional reagents....
3. 6 pts each - Choose two of the following problems and devise a synthesis to create the corresponding molecules. You may use any reagent or starting material containing 4 carbons or fewer, a phenyl group, or a benzyl group. The third synthesis may be attempted for up to 5 points of extra credit points. ??? ???