Which reactions (or reaction sequences) lead(s) to the product in the box. On this one you...
5 Page 15. Draw the major product of each of the following sequences of reactions, A through M. Use another piece of paper if you need more room. SoCI NH3 1. LiAIH4 Same as above 2. H,O MgBr 1. DIBAH,-78°C T H2CrO 2. H3O 2. H 1. LIAIH TsC CH,CH2SH Pyridine DMSO 2. H
Which reactions afford the compound in the box without overalkylation or other side reaction difficulties. You can circle more than one answer on this one. LIAIH, followed by aqueous workup Mild acid and NaBH3CN NH2 (intramolecular reductive amination) NH Mild acid in the presence of H2 and palldium on C Mild acid and NaBH3CN DN + H Mild acid and NaBH3 CN (intramolecular reductive amination)
Give the major organic product(s) of the following reactions or
sequences of reactions. Show the stereochemistry and/or isotope
position clearly where it is relevant. If you think that the
reaction would not occur, write as "NR" or "No Reaction."
A) 1) NaOH ОН ? 2) CH3CH Br B) 1) NH3, excess 2) SOC12, Pyridine, heat CI
ve the major organic product(s) for each of the following reactions or sequences of reactions relevant stercochemistry. ng reactions or sequences of reactions. Show all Ph 1. NaOH, H20; H+ NHMe 2. SOCI2 3. MeOH, pyridine ethanol, pyridine 1. H30* Ph-CN 2. MeOH, H+ PhoH 1. SOCI 2. 2-butanol HO Ph Ph OH 1. SOCI 2. diethylamine I:NH CH A4
The instructions are on the first photo.
3. Complete the sequences of chemical reactions writing the product on each step. (9 points) KOMe, он methanol as a HBr solvent reflux CH3 aqueous H2SO4 2 O=O=0 is weak base pyridine ? ? byproduct main product Excess of ethylamine NH main product byproduct Base that abstracts the H+
1. For each of the following reactions, identify the product(s) in the box provided that will be formed for each step from the given starting material. Please indicate any regio or stereoselective HC NAS ROOR 1) O 2) AcOH 2. For each of the following reactions, identify the product(s) in the box provided that will be formed for each step from the given starting material. Please indicate any regio- or stereoselective. 1) BH, THF 2) H.O. HO ТѕСІ Pyridine KCN...
Give the major organic product(s) of the following reactions or
sequences of reactions. Show the stereochemistry and/or isotope
position clearly where it is relevant. If you think that the
reaction would not occur, write as "NR" or "No Reaction."
NaOH ? *O*CH3 H2O Note: ΑΙ H DIBAH 1) DIBAH 2) H20 C.
A1 A 42 NH, OEt B1 OH B B2 ОН Me Me ОН C1 Ph C2 C OH Give the proper reagent for each of these two-step reaction sequences. Pick the reagent from the table below. (Assume aqueous workup when needed.) 1. Br2 / uv light 2. SOCI2 / THE 3. Mg/Et20 4. Meli/hexane 5. CH3CH2MgCI 6. PhMgBr 7. NaBH4 8. LIAIH4 9. BH3 / 0x 10. POCI3/pyridine / THE 11. CrO3 / THE 12. PCC / CH2Cl2 13. H...
Please answer all 3 and explain if you can! Thank you!!
*This one isn't option 2 or 4*
Draw the major organic products of the following reaction. Include lone pairs of electrons and stereochemistry 1.CH,MgBr, Et,o 2. H,O What is the major product in the following series of reactions? 1) 03 then DMS 2) LiAIH4 (excess) then H20 3) NaH (1 equiv.) 4) TsCl (1 equiv.) 5) NaOH (dilute) Products OTS a) b) HO HO OTS он OH c) d)...
Which of the following sequences of reactions (from those shown below) would yield the desired product from the indicated starting material? 1- HBr. CC 2 HBr, ROOR 18 TsCL pyridine 19 NaOEt 20·H/Lindars Catalyst 21 NaNH, (0 22 Brg, hw 8 CH,CHCH CH CI 10- 18-crown-&, KF 25- 0s0, (catalytc), NMO 2) H-O2. NaOH 2) H' (aq) 2) H20 2) DMS 2) NaSH 2) NaBH 2)0% NaOH 2) H,0 12-1) RCOyH 27-1) HglOAc EIOH 14 “ to, 29 1)0 15-...