The given target molecule having the name of 2-ethyl 2-pentanol, which is prepared by the reaction of the 2-pentanone with the grignard reagent (ethyl magnesium bromide) followed by the hydrolysis,

(b) Show how the alcohol can be prepared from a combination of a carbonyl and a...
#6 Which combination(s) of organic bromide and carbonyl compound can be used to prepare the alcohol in the box by reaction of the Grignard reagent derived from the alkyl bromide with the carbonyl compound? Wrong Answer B OCH CH3Br CH3Br 3 a) only 1 b) only 1 and 2 c) 1, 2 and 3 d) only 3 and 4 e) 1,2,and 4
#6 Which combination(s) of organic bromide and carbonyl compound can be used to prepare the alcohol in the box by reaction of the Grignard reagent derived from the alkyl bromide with the carbonyl compound? Wrong Answer B OCH OCH CH3Br CH3BT OH a) only 1 b) only 1 and 2 c) 1, 2 and 3 d) only 3 and 4 e) 1,2,and 4
Part B For the following alcohol that can be prepared by the reaction of an ester with excess Grignard reagent, what ester and what Grignard reagent should be used? OH CH3CCH2CH3 CH3 Draw the molecule on the canvas by choosing buttons from the Tools (for bonds), Atoms, and Advanced Template toolbars. The single bond is active by default. CI Br O-R1 Submit My Answers Give Up
Which combination(s) of alkyl bromide and carbonyl compound can be used to prepare the following product by addition of the Grignard reagent derived from the alkyl bromide to the carbonyl compound? OH CH3BT CH3CH2CH2Br CH3CH2BT (CH3)2CHBO OA. only 3 and 4 only 2 and 3 OC.only 1, 2 and 3 OD.only 1 and 2
7. Retrosynthetic Analysis: a. There are two different combinations of the Grignard reagent and carbonyl that can be used to make the product below. Think about TWO ways to make the product, listing the carbonyl and Grignard reagent in the designated boxes. Carbonyl on Grignard Reagent or 2H40 2. H.O Carbonyl Grignard Reagent b. There are THREE different combinations of the Grignard reagent and carbonyl that can be used to make the product. Please draw the three possible cominations of...
What Grignard reagent and what carbonyl compound might you start with to prepare the following alcohol? но сна -CH₃ • Draw the Grignard reagent as a covalent magnesium bromide. • Any ester used should be a methyl ester. • If there is more than one combination, draw only one. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. • Separate multiple reactants using the + sign from the drop- down menu....
4. Show how C2HsMgBr, the Grignard Reagent prepared from ethyl bromide, can be used as a starting material in the preparation of each of the following compounds он (a) Ph-CH CH2-CH3 (b) CH3CH2 CH2 CH2OH (c) CH3CH2 C- (d) Ph-C CH-CH2 Ph 17
7. Retrosynthetic Analysis a. There are TWO different combinations of the Grignard reagent and carbonyl that can be used to make the product below. Think about TWO ways to make the product, listing the carbonyl and Grignard reagent in the designated boxes ОН Grignard Reagent Carbonyl or 2. Hао* Grignard Reagent Carbonyl b. There are THREE different combinations of the Grignard reagent and carbonyl that can be used to make the product. Please draw the three possible cominations of carbonyl...
3. Show how the compounds below can be made in two different ways in a single step (one reaction) from the appropriate starting materials. the Ste a) a Grignard reagent a Grignard reagent OH an epoxide a different epoxide b) an alcohol a diene c) OH an alkyl halide an alkene d) a bromoalcohol 2 a different bromoalcohol
(i) Show how the following can be prepared from the starting material: [6 marks] a) b) OHE