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- CH₂-CH₂-CH₂-C-OH butanoic acid CH₂ HO–C–CH,CHCH,—CHO 3-methylpentanoic acid Name each carboxylic acid. (a) HO CH₂ CH₂ 99 - 0 B) CHICHICIO CH, Draw a condensed structural diagram for each carboxylic acid (a) Hexanoic acid (b) 3-propyloctanoic acid ICH;CH-C-OH What is the correct IUPAC name for the compound above? O 1-ethylbenzoic acid O 2-methylbenzoic acid O 2-phenylpropanoic acid O 2-benzylpropanoic acidIndicate the carbanions that can be generated and which is the most stable when the compound is treated with a base: O || O || H3C-C-CH-CH₂-C-CH3 | CO OEt ethyl 2-acetyl-4-oxopentanoate
- An important step in one synthesis of carboxylic acids is the deprotonation of diethyl malonate and its alkyl-substituted derivative: Base CH;CH2O OCH,CH3 CH;CH,0 OCH2CH3 H2 Diethyl malonate Base CH;CH,0 °C `OCH,CH3 CH;CH,O OCH,CH3 R Alkyl substituted diethyl malonate NaOH can deprotonate diethyl malonate effectively, but NaOC(CH3)3 is typically used to deprotonate the alkyl-substituted derivative. Explain why.OH OH 01C O 01C + CH3-C-0-C-CH3 ImidasoolWhat is the major organic product obtained from the following reaction? OH OH H,0 CH;CH,CH,CH,C=CH OH HgSO, H,SO, ÓH O 1 O 2 O 3 O 4
- 2. Which of the following compounds is a carboxylic acid? А) CH;CH,CNH, B) CH;CH,CCH3 C) CH;C-OH D) CH;CH,C-O-CH3 E) CH3CH,CH12 Write the IUPAC names for these compounds. O (a) CHO CHOH (c) | CHOH I CH₂OH OH (b) (d) CHO NH₂ OWhat is the correct assignment of the names of the following ketones? H;C CH3 CH3 1 2 O 1 = acetone; 2 = phenol; 3 = benzaldehyde 1 = acetone; 2 = acetophenone; 3 = benzophenone %3D %3D O 1 = formaldehyde; 2 = benzaldehyde; 3 = acetophenone %3D O 1 = acetaldehyde; 2 = acetophenone; 3 = benzaldehyde %3D %3D
- 19) What is the IUPAC name for this compound? CH3 H3C- -сн—сH,—CH2--с— он O 2-methyl-4-butanoic acid pentanoic acid 2-methyl butyric acid 3-methylbutanoic acid O 2-methylbutanoic acidGive the IUPAC name of the compound below: OH CH3 SH (2R,4R)-2-methyl-4-hydroxypentan-1-thiol O (2S,4S)-5-mercapto-4-methylpentan-2-ol O (2S,4S)-2-methyl-4-hydroxypentan-1-thiol O (2R,4R)-5-mercapto-4-methylpentan-2-ol none of the choices is correctPick the best IUPAC name for the following molecule: H3C-O CH3 CH3 H3C- O 2,4,5-trimethylheptanal O5-methoxy-2,4-dimethylheptanoic Acid O 5-methoxy-2,4-dimethylheptanal 5-methoxy-2,4-dimethylheptan-1-ol