3. C Which set of reagents will accomplish the transformation shown? H H (a) Lindlar's catalyst (b) P-2 catalyst (c) Li in EtNH2 (d) both (a) and (b)

Provide the missing component that completes the following reactions

Predict the major product or the necessary reagent or reactant to complete each of the following reactions. In the box before each reaction, indicate the mechanism followed by the reaction. (Free radical (FR), SN2, SN1). (b) (a) Cl₂ CH₂CH₂OH (a) 1 hv 2 (b) H Br H₂O Na+ SCH3 (c) (d) CI "CH3

Gg.108.

Provide reagents

4.  identify the structure of A and B in the following synthetic scheme: Write out complete reactions for each step, showing the structure of all reactants and products.       (a) cyclohexanol +Na2Cr2O7/H2SO4, H2O -------> A        (b)  A + Et2NH/H2SO4 ----->B

2) Identify whether each of the following reaction performs a SN1, SN2, E1 or E2; Then, draw the appropriate products. Meo NH2 (a) (d) Br (b) (e) Br OH OH ELOH Br (c) (f) Br

Draw the structural formula(s) for the major product(s) of each of the following reactions. Unless required, ignore stereochemical details.

10) Consider the following alkene hydration reaction. он H2SO, H20 Given that the reaction is endergonic by 10 kcal/mol, complete the following. (a) Draw the intermediate(s) formed in the mechanistic pathway to the major product in the indicated space below. If there are multiple intermediates label them 1, 2, 3, 4, etc. (b) Sketch a reaction-energy profile for this reaction and clearly label staring material, product, intermediate(s), transition state(s), AG" and AG (of the rate determining step) on your plot. Progress of the reaction Draw and Label Intermediate(s) Below: Potential energy

What reagents would be required to perform the following reaction ? (A) NaBH4, CH₂OD (E) LIAID, CH₂OH (B) NaBH4, CH₂OH OH (C) NaBD4, CH₂OD (D) NaBD4, CH₂OH