3. Provide the regents over the blank arrows below to afford the desired transformations. (8 pts.)...
3. Provide the regents over the blank arrows below to afford the desired transformations. (8 pts.) он OH H
3. Mechanisms: Provide a detailed, stepwise mechanism for the following transformations. Use curved arrows to show the movement of electrons. Me Me Me TSOH -Me Me 120 °C OH
3. Show the mechanism (curved arrows) for the two transformations shown below. Use H30' as a catalyst. mechanism mechanism 2 e =0 OH HO OH OH HO
show the mechanism with curved arrows for the two transformations
shown below using H30 plus as a catalyst
3. Show the mechanism (curved arrows) for the two transformations shown below. Use H30 as a catalyst. mechanism 1 mechanism 2 OH НО OH HO OH Page 2 of 4
1. Provide the reagents and conditions needed to carry out the transformations shown below. (20 pts) H₂N NH2 H30 H,09 CH,OH (1 c9) NaBH4,1 equivalent H30 LEPPh (xs) 1.CD,Mgl (2 equivalents) 2.H 0 1. SH-CH2)-SH.H:0"(xs) Peracid 2. Ra-Ni (xs) HCNKCN H30* (xs) (lequivalent)
provide the reagents and conditions needed to caryy out the
transformations shown below
1. Provide the reagents and conditions needed to carry out the transformations shown below. (20 pts) NH Pr H30* CH,OH (2 eq) NaBHA Н,0 1.CD,Mg! 2. H2O 1. SH-CH2)2-SH,H30+ OH Peracid OH 2. Ra-Ni 1. NHANH, HN H30+ 2. NaOH, heat
3. Mechanisms: Provide a detailed, stepwise mechanism for the following transformations. Use curved arrows to show the movement of electrons. do 10.♡.
1. Provide a mechanism, including any and all arrows, for the following transformations. MgBr 2. H.So 3. heat NaOE EIOH 2. Fill in the boxes with the appropriate regaents or products for the following sytnhesis of Gly-Val dipeptide. HNH H2, Pd/C HON OH note: sterochemistry not shown What is p-nitrophenol used for in the above sequence?
provide the reagents necessary to 3. Two transformations are given below. For each complete the transformation (4 pts total) Step 1) Step 2) HBr Port CH,Br, NaOH CHN NACH 1) BH THE 2) Na , H 1) HOOA), H,O 2) Na 0: Page 3
1. Provide the reagents and conditions needed to carry out the transformations shown below. (20 pts) H₂N NH2 H30* H,09 CH,OH (1 e) NaBH4,1 equivalent H30* PPha (xs) 1.CD,Mgl (2 equivalents) 2. H 0 1. SH-CH2);-SH.H30 (xs) 2. Ra-Ni HCNKCN Peracid (xs) H30 (xs) (lequivalent)