1. Provide the structure (with unambiguous stereochemistry) of the starting material for the following reaction. (2...
1) Provide the starting material for the following reaction. (0.5 pts) Он Он 1) Hg(OAc)2, H20 2) NaBH (provide starting material) 2) Provide the major organic product(s) for the following reactions. If stereoisomers are formed, please show both stereoisomers. (0.5 pts each) 1) BH3 THF a) 2)120 NaOH 1) NaOH, H-O, 55°C b) 2) OsO4 t-BuOOH 1-BuOH, NaOH Br2 c) CCl4 H2O, H2SO d) H9SO4 2 equivalents HBr e) 3) The following ction generates an ether. Provide the major organic...
6. (12 points total) Mechanism: Provide a detailed mechanism for the following reaction. Use curved arrows to show the movement of electrons. (Hint: Begin by drawing the resonance structure for the reagent over the arrow) from med arrows total) Mecha H2C=N=N O-H OCH3 NEN (gas) 7. (18 points total) Mechanism: Provide a detailed, stepwise mechanism for the following reaction. Use curved arrows to show the movement of electrons. O Me Me
6. For the following reaction, please draw the reaction mechanism given the starting material, reagents, and product. Include all important intermediates and use curvy reaction arrows to show the flow of electrons. • Nah 2. CI. CN 3 Nah CN 7. For the following starting material A, draw the products Band C that you expect to form under the following reaction conditions. LDA KOC(CH3)s THE 0 B (CH3),COH cold temps room temp A
Complete the electron-pushing mechanism for the reaction by
drawing the necessary organic structures and curved arrows for each
step. Make sure to include all nonbonding electron pairs.
Complete the mechanism for the conversion
of the following deuterated alcohol to deuterated chloroalkane via
the mesylate intermediate by adding any missing atoms, bonds,
charges, nonbonding electrons, and curved arrows. Also, select the
correct absolute stereochemistry of the starting material and the
final product. (Note the use of a generic alcohol representing the...
3. Draw a stepwise, detailed mechanism for the acid-catalyzed hydration reaction in question 2 above. Use curved arrows to indicate the flow of electrons. (Note: use hydronium ion, H307, in your mechanism to indicate "acidic water"). (6 pts) 4. Draw a stepwise, detailed mechanism for the reaction below. Use curved arrows to indicate the flow of electrons. (Hint: think of this reaction as a combination of addition of HX (step 1) and hydration (step 2)]. In the second step, an...
Using curved arrows to designate the flow of electrons, provide a detailed stepwise mechanism for the reaction of 3,4-dimethyl-3-pentanol as a starting material, with 3,4 -dimethyl-3-pentene (45% yield) and 3,4-dimethyl-3-chloropentane (55%) as the products.
(1) Provide the structure of product A and
B respectively. (2) Also, write out a reaction
mechanism for the formation of either A or B; use
curved arrows to indicated the electron flow.
о НО. У ОН В. А? H2SO4 (catalyst) pH 4.5
Predict the major organic products formed in the
following reactions. Be certain to indicate stereochemistry in
products if it is important.
H2O H2SO4 Br2 3. Draw a stepwise, detailed mechanism for the acid-catalyzed hydration reaction in question 2 above. Use curved arrows to indicate the flow of electrons. (Note: use hydronium ion, H:07, in your mechanism to indicate "acidic water"). (6 pts)
Predict the major organic products formed in the following reactions. Be certain to indicate stereochemistry in your products if it is important. H2 Pd/C HCI H2O H2SO4 Br2 Draw a stepwise, detailed mechanism for the acid-catalyzed hydration reaction in question 2 above. Use curved arrows to indicate the flow of electrons. (Note: use hydronium ion, H307, in your mechanism to indicate “acidic water”).
Provide structure(s) for the starting material(s), reagent(s) or the major organic produces) of allowing reaction or sequence of reactions. Show all relevant stereochemistry.