

Provide the products for the following rxn. Pay attention tothe stereochemistry where appropriate. NaCN PBry
1. Draw all major products (or product) for the following reactions. Pay attention to stereochemistry where appropriate. (5 pts) a. 2. Br2, FeBr3
Predict the major product for the following transformations.
Pay attention to stereochemistry where appropriate. Submit your
answers labeled clearly with the letter above the structure. You
can show intermediates of individual steps to earn partial credit,
where applicable.
1. HSCH2CH2SH p-TsOH 2. n-BuLi OTBS 3. 4. Raney-Ni SİPr 1.AIC13. O 2. NaBH4, H20 1. HCN O 2. H2SO4 NH2 3.workup EtOH 1. PPha H2CO 2. n-BuLi 3. benzaldehyde Eto 1. ethyl bromide 2.NaOH 3. HOEt, 4. LiAlH4 5. H2O NaCN...
Draw the major product(s) or reagents foe the following reactions.
Pay attention to stereochemistry where appropriate.
[H], NaBH3CN, ENH2 s try mansen, ents 1. Nang 2. H2 (xs), Pd NH2 1. NaNO2, HCI 2. HBF4 1. HBr, H2O2 2. Nang 3. xs LIAIHA 4. H2O
Provide the missing substrates, products, reagents, in the
following reactions. Indicate the stereochemistry where
appropriate.
7. (36 points) Provide the missing substrates /products/reagents in the following reactions. Indicate the stereochemistry where appropriate. a. HgC﹀CH3 (1) 03 Ph︿H (2) (CH3)2S b. H2 OsO4 PhCH2CECCH2CH3 2r3 Lindlar catalyst t-BuoOH C.
(4 pts 2 pts EC) Predict the products for the following reactions. Pay attention to stereochemistry 2. where appropriate HO SOCI2 а. dioxane 1) TsC pyridine Он b. 2) LIAIH4 1) TsCl pyridine но° C. 2) Nal OH РСС d. CH2CI2 он NaOCI но, acetic acid он NaOCI Он ТЕMPO
Draw the major product(s) or reagents for the following
reactions. Pay attention to stereochemistry where appropriate. Put
a box or circle around your final answer.
1. NaN Br g. 2. H2 (xs), Pod 1. xs LAH 2. H20 h. NH2 3. ethyl iodide (xs) 1. NaNO2, HC 2. CuCN NH2 3. PhMgBr (xs) 4. Hyo xs LiAI(OR) H 0 1. Br2. FeBr 2. SOCI2. Py NH2 k.
2. Provide the products for each transformation below. Be sure to pay attention to stereochemistry pts) Oso,,H,O, 1. BH, ether 2. NaOH,H,O, H,02
1. (20 points) Provide the products for the following reactions. Provide stereochemistry where necessary. Determine whether they are SN2, S1, E2, E1, or Elcb where necessary. NO NEED FOR MECHANISMS. Br NaOCH.CH diethyl ether KOBU DMSO heat NaCN THF
(a) Draw the major products of the following reactions. Pay
attention to the stereochemistry if relevant and draw all the
stereoisomers.
(b) Which of the products are optically active? Explain your
answer.
(CH3)3ONat OH HCECH ,,Hac H3C-C HB CH3 A. CH3 Br LH CH2OH CH3 V HH H₃07 NaSCH3 Br DMSO
1. Provide the structures of the products for the following Diels Alder reactions. Pay particular attention to stereochemistry. Note: this is a review of CH202 material. Dy N(CH3)2 (a) HzCOY và Nga, ... CN ? (b) CH3 - = ? NC CH3 | 0 N(CH3)2