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? O only 1 CH₂B Thom CH₂CH₂B
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- The following diol is prepared from propanal (CH3CH2CHO) and 3-bromopropanol. Which derivatives will be among intermediate products in this transformation? ОН HOH₂SO4, H₂O Choose the enol(s) that can be formed from the following oxymercration reaction. OH ОН OH HgSO4 ОНIdentify the reagent needed for the following acid chloride reaction. CH3 OLT A) H₂O B) CH3MgBr C) CH3OH D) (CH3)2CuLi E) LiAlH4 CI OH 0 dolo OH OH
- What is the best choice of reagent to achieve the following reaction? ? H2/Pd NaOH, H₂O H2SO4 K2Cr2O7, H2SO4 CH3 + CH3CH2OHWhat is the major organic product obtained from the following reaction? H₂Cr₂O7 H₂SO4, H₂O OH A) 1-butene, CH3CH2CH-CH₂ B) butanal, CH3CH₂CH₂CHO C) butanone, CH3CH₂COCH3 D) butanoic acid, CH3CH2₂CH₂COOHDraw the MAJOR product(s) of the following reaction. 1) Hg(OAc)2, H2O 2) NaBH4 3) Na2Cr,07, H2SO4, H2O
- Write a stepwise reaction mechanism for the following sequence of reactions. No 1) O Ph CI 2) KCN/H,O CN N8) The product of Claisen condensation is a) a-keto ester b) B-keto ester c) 8-keto ester 9) reaction of cyclohexanone with formaldehyde and dimethyl amine in Mannich reaction give- CH3 CH3 CH3 CH3 CH3 b) C) a) CH3 Na OEt ? 10) 2 mole 2-methyl cyclopentanone CH3 CH3 CH3 G. G CH3 CH3 c) b) CH3What is the role of phosphoric acid in the synthesis of cyclohexene? it is an antioxidant that prevents free radical side reactions it is a safe, non-toxic solvent it lowers the boiling point of the reaction mixture (a colligative property of adding phosphoric acid to water) it protonates the hydroxyl of cyclohexanol to make it a better leaving group