8. Proprose a mechan ism for the following pinacol rearrangment Он H2SO4 Но
catalytic H2SO4 но Он С НО A B ОН он с D ОА ОС OD
Predict the major product of the following reaction. Н,0 H2SO4 НО. Л ОН ОН ОН ІІ IV О1) 1 2) II 3) ||| 4) N
What is the major product of the reaction shown below? [MC] ++ но H2SO4 ОН ОН Х ОН НО. Х
8. Provide the reagents necessary for each of the following transformations. Он но Но. он он OCH3 ОН
Ег МСРВА H2SO4 но Brz CH.Cl2 BH, THF Сн,он 1) 9 вBN 2) но, но", но
catalytic H2SO4 но Он С НО A B ОН он с D ОА ОС OD Predict the product from the following reaction HS SH ZnCl2 BO OH O Provide the major product for the following reaction sequence. 1. NHANH4H 2. KOHIHOIA AICI ad dan III H2NN TV OM OM O IV What would be the expected product of the following reaction sequence? N-H 12 HO OH Predict the major organic product of the following reaction sequence. 1) (Ph)3P Br ?...
Which is the major product of the above reaction
?
Н*ІН,0 H2SO4 ОН ОН НО у
Question 17-17 What is the major organic product obtained from the following reaction? H2SO4 но он 3 но он но Question 17-30 Which of the following best describes the key mechanistic steps in the esterification of a carboxylic a upon treatment with an alcohol in the presence of a strong acid? a. addition followed by elimination b. substitution followed by addition c. elimination followed by addition d. addition followed by decarboxylation
10) Draw the structure of compounds 1, 2, 3, 4 and 5. H2SO4 НО CH,он ОСН3 PCC MgBr 2) НО H2SO4 НО
Draw the product(s) of the following reactions. HNO3/H2SO4 Br AICI3 Он So/H2SO4 Он Br2/FeBr3 d. HNO3/H2SO4 Br е. OCH3 Насо. f. AICI3 ОСНЗ CI Но. AICI3 NO3 Br2/FeBr3 h.