Provide an answer for each in the space provided. 1. Provide a structure for the major product of each reaction. Be sure to include relative stereochemistry if it is pertinent CH3 1. TSCI, EtN 2. NaOCH3 DMF, 100 °C H3C 'CH3 он H2 (1 atm) cat. [Pd] H.

c) Complete the following reaction scheme for structures E, F, G, H and I. F Br2 / H20 Cl i. BH3, THF ii. H2O2 / H* КОН E G i. Оз ii. (CH3)2S H + I

1. Write organic products of the following reactions. Show stereochemistry where appropriate. Br₂ H₂O H₂O H₂SO4 1. BH3: THF 2. H₂O2, NaOH

Draw the structure of the major product(s) of the following reactions. Clearly show stereochemistry if appropriate.

18. Provide the major product or products in the boxes below. Be clear about the stereo- and regiochemistry of all products. 1. Hg(OAc)2 H20 1. BH3 THF conc. 2. NaBH4 HPO4 heat 2. H2O2, NAOH RO OR Br2 ELONA/EtOH 1,1,2-trimethylcyclohexane heat hv 1. O3, -78 °C 2. Me2S

2. Give the products when 1-methyl-2-deutero-cyclohexene is treated with the following reagents. Be sure to clearly show stereochemistry of product(s). CCl. (an inert solvent) .CH3 1) Hg(OAc)2, Н,0 2) NABH4 CH,OH H,SO,(cat.) H,, Pd/C

What is the structure of the expected major product that is formed from the following reaction? 10. CH3 1. Hg(OOCCH3)2 THF, H₂O 2. NaBH4, NaOH ?

5. Provide the products or the necessary reagents for the two following transformations. Br 1. xs NaNH2 Br 2. H2о 1. NaNH2 2. CHзBr HCECH HCECH 1-butyne 3. NANH2 4. CH3CH2B1 name of this compound?

1. Write the structural formula of the major product(s) formed in each of the following reactions. Show stereochemistry where appropriate. Use mechanisms to assist you in figuring out the products when needed. 5 a. T NH, G H. H+ b. p-TSOH (CH3)2NH Benzene с. H. 1. (C6H5)3P H. Br 2. C6H5L¡ 3.

Which product would likely be the major product for the following reaction?a. Cb. Dc. Ad. B