How would you carry out the following conversions? Multiple steps would be required. Separate the steps...
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. A.OBH,THF H202 J CH Н В HC C CH(CH3)2 Hассс-...
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
How would you carry out the following conversions? More than one step may be needed in some instances. CI 1 RCHCH3 RCH RCH2CH3 RCH2CH2OH R-CECH RCH=CH2 R-C=C-CH3 R- RCCH3 н н
Question 9.27, 9.30 Choose one reagent from the Table to carry out the following conversions. Use letters from the table to specify reagents. Reagents КMnO,/ Н,о* O3 d 1. Br2 g a 2. KOH in ethanol H2/ Lindlar catalyst hr H20/ H2SO4/ HgSO4 е 1. NaNH2 in NH3 2. CH3Br Li in NH3 1 equiv Br2 f 1. BH3 in THF C 2. H202 in NaOH a) CHACH,сH,сH,CECH CHн-CH-CH-CH2CH-CH CHз b) сHa-CHa-CEс-сн, CH3CH2 The following synthesis requires more than one...
2) Order the following alkenes from most stable to least stable Нас Нас с-сн, н,с Hас +C- Нас н CHs -CH3 H Hе most stable least stable (a) I (b) I (c) I ll (d) 7) Order the following C-H bonds from strongest to weakest. strongest weakest (a) (b) (c) II (d) 8) Which of the following is represents the lowest energy transition state for the addition of BH, to 2-methyl-1-propene? quCH «сHs нСи Нас (b) (a) Нив--н H H...
9. Provide reagents/steps to carry out the following synthesis. Show all intermediate products. HEC HC CH3 H н,с H2C
7. Which compound below best fits the following spectral data? 8. How many signals would you expect to see in the broadband decoupled C^13 spectra of the following compounds? 9. If a proton gave an NMR signal at 3.2 ppm on a MHz NMR, what would the chemical shift be of this proton (in ppm) if the sample was run in 400 MHz NMR? 7. Which compound below best fits the following spectral data? (6 points) H-1 NMR 0.9 ppm...
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)...
1. How would you carry out the following conversions using necessary reagents? You must show all the steps of conversion to obtain full credit. (2 x 2 = 4) NH
H3C Br СНа -С-Сн, ОН (d) for carrying out each of the following conversions to yield a 12 Suggest conditions for carrying out each of the following product that is as free of isomers as possible (a) HO OH CH, CH3 H₃ C CH-(CH₂-ci Hz CH-(CH2)-OH H₃C H₃C 22