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2) Provide the reagents for the conversion below, listing all catalysts and appropriate conditions:
(b) NH2 с Suggest reagents /conditions for the conversion of 5 into 6 and provide a mechanism for this conversion. (6 marks) Question I continues on next page Page 2 of 8 Question 1 continued (i) Suggest reagents / conditions d for the conversion of 5 into 7 and provide a mechanism for this conversion. (6 marks) (c) Propose a structure for compound B, provide a mechanism to account for this interconversion and comment on the effect of the amount...
2) Propose chemical reactions which accomplish the objectives shown below. Specify reagents, essential conditions, and catalysts (10 points). a. Convert a cis-alkene to the corresponding trans-alkene. b. Switch the regiochemistry of an alkyl halide (example: convert 1-bromopentane into 2- bromopentane)
Propose chemical reactions which accomplish the objectives shown below. Specify reagents, essential conditions, and catalysts (10 points) a. Convert a cis-alkene to the corresponding trans-alkene. 2) b. Switch the regiochemistry of an alkyl halide (example: convert 1-bromopentane into 2- bromopentane).
4. Do All parts: a. Provide the reagents necessary to carry out the following conversion (5 points) b. Provide the reagents necessary to carry out the following conversion. (5 points)
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
2. Provide the reagents/conditions required to accomplish each of the transformations (A-C) below. If a reaction consists of two steps, be sure to show this: 6 points. 3. Draw the starting materials (A and B) required to obtain the products shown below, using the reagents and conditions provided: 6 points. 1. HB(sia), THE 2. H2O2, NaOH, H20 produces 1.03 both products 2.(CH3)2S HgSO4 H2SO4, H20
provide the reagents necessary to carry out the following conversion 32. Provide the reagents necessary to carry out the following conversion.
provide the reagents necessary to carry out the following conversion Question 16 Provide the reagents necessary to carry out the following conversion. Choose the correct reagents for step 1. HBr/AlBr3 fuming H2SO4 H2S04 fuming HBO Choose the correct reagents for step 2. Br2/FeBr2 Choose the correct reagents for step 2. Brz/FeBr2 Br2/FeCl2 Oxs Br2 Brz/FeBr3 Choose the correct reagents for step 3. O Br2 / H2S04 dilute H2504 fuming H2SO4 HNO3 / H2504
10. Provide necessary reagents in step-wise processes for the conversion below. (10 points)
Provide the reagents necessary to carry out the following conversion. Question 4 Provide the reagents necessary to carry out the following conversion.