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- Rank the following compounds in order of decreasing acidity. Start with the most ackdic compound. CN OH HO OCHS CI C OCA»B OB>A>C OOB>AThe key step in a reported laboratory synthesis of sativene, a hydrocarbon isolated from the mold Helminthosporium sativum, involves the following base treatment of a keto tosylate. What kind of reaction is occurring? How would you complete the synthesis?Of the following carboxylic acids, which is the most acidic? (A) CH3CO₂H (B) HCO₂H (C) CO₂H (D) Cl₂CCO₂H (E) (CH3)3CCO₂H
- Methyllithium (CH3Li) is often used as a base in organic reactions. Predict the products of the following acid-base reaction.CH3CH2¬OH + CH3¬Li ¡Arrange the following compounds in decreasing order of acidity * |- CICH2CH2CH2COOH Il - CH3CH2CHCICOOH III – CH3CHCICH2COOH III > I> || O I > II > || O I > I| > II III > || >|Br NaoH NH2 H>N (B HYO what is compound A and B?
- What is the major product of the following reaction? OH oc | (1) BH3 (2) H₂O₂, OH-h) Which is a weaker base and why? Pyridine Pyrrole i) Name the following compounds. H2N A B NH251. Which is NOT a valid resonance structure for the conjugate base of this molecule? (A) (C) OEt (C) :0: : OEt (+) HBr ROOR ü (B) OCH 3 (D) 52. What is the major product of this reaction sequence? o Mg ether (A) (B) :0: (D) H OEt OEt H OEt X CH31 LOH LOCH₁
- Arrange the following carboxylic acids in order of acidity. DOH The strongest acid is The second strongest is The third strongest is The weakest acid is b DOH insee C COOH COOHWhich of the following compounds is generated by the reaction below? он (1) B2H6, diglyme но. (2) H2O2, NaOH/H2O OH (A) (B) (C) (D) Compound C O Compounds A and C Compounds A and D Compound BArrange the following compound in order of increasing acidity. Type your answers in the blanks provided in UPPERCASE. A ОН ANSWER: В ОН NH₂ с V ОН OCH3 D < ОН CH3 E ОН COOH