Question 26 (1 point) Saved Which best describes this transformation? Meo, CO Me Et Et NaoMe...
Time Left:0:33:02 Adriele Oliver: Attempt 1 Question 20 (1 point) Which best describes this transformation? Meo,CCO Me Et Et NaoMe (2 equivalents) MeOH NHA HNNH * HẠN Et Et An intermolecular followed by intramolecular nucleophilic acyl substitutions 2 intermolecular nucleophilic acyl substitutions An intramolecular followed by intermolecular nucleophilic acyl substitutions 2 intramolecular nucleophilic acyl substitutions
Which step is incorrect in the following reaction! Dicho Do in Do D20+ in D20 CHO 020- А в None are incorrect (all are correct) OB Ос Which intermediate is involved in this base-promoted hydrolysis? NaOH/H2O OH + OCH OKOCH, 1 olo options Which sequence of reagents would accomplish this transformation? 1. NaOEt 2. (CH3),CHCH,BE 3. H,09, Heat 1. NaOEt 1. NaoEt 2. CH,CH,CH,CH,Br 2. (CH),CHCH,CH,Br 3. H30*, Heat 3. H,0*, Heat 1. NaOEt 2. (CH3),CHCH, CH,CH,Br 3. H30*, Heat...
What is the product of this reaction sequence? 1. Br2, Acetic Acid 2. Pyridine = 0 ОВ 10 AM 2 . 331/2020 17 nom m 9 r o The IR spectrum of a compound which shows a very broad absorption over the range 2500 to 3500 cm-1 as well as a strong absorption at 1720 cm-1 is: a ketone an alcohol an aldehyde a carboxylic acid Which mechanism is correct for the first step in the conversion of a primary...
Question 6 (1 point) Which of the following can be prepared by acetoacetic ester synthesis? CO, 1 Question 7 (1 point) What is the order of acid strength from strongest to weakest acid? floath the oth OA) 2>1>4>3 OB) 1>2>3>4 C) 3>4>1>2 D) 2>4>1>3 O R H V B N Question 8 (1 point) What is the IUPAC name for this compound? COH CH,CH,CHCH,CH.CH O2-Ethyl-2-propyl-acetic acid 3-Hexylcarboxylic acid 2 Ethylpentanoic acid 2-Propylbutanoic acid Question 9 (1 point) 16 O 7...
7) What reagents are needed to do the following transformation? Page 3 A) 1) BH, THF, H,02, OH- 2) KMnO, OH 3) H30 B) 1) HBr 2) K,Cr, C) 1) LIATH. 2) H30* 3) PBr; 4) KCN D.1) PCC 2 H O 3) CHỊCOCI 4) NH” 8) Which compound is a soap? A) CH3(CH2)2COOH B) CH3(CH2)4COOH C) CH(CH2)14COOH D) CH3(CH2)14COOK 9) Name the carboxylic acid and the alcohol that react to produce this compound. (CH3)3CCH2COOCH(CH2CH3)2 A) 3,3-dimethylbutanoic acid and 3-pentanol...
Question 1 (1 point) Which of the following best describes glycogen? Question 3 (1 point) All the protease mechanisms we discussed in class involved formation of a covalent acyl enzyme intermediate. O Alinear polymer of glucose joined by a(1,6) linkages. True False O A polymer of glucose joined by a(1,4) linkages with a(1,6) linkages every 5-10 residues. Question 4 (1 point) O A polymer of glucose joined by B(1,4) linkages with a(1,6) linkages every 5-10 residues. In the mechanism of...
Question 1 (1 point) Which of the following best describes glycogen? Question 3 (1 point) All the protease mechanisms we discussed in class involved formation of a covalent acyl enzyme intermediate. O Alinear polymer of glucose joined by a(1,6) linkages. True False O A polymer of glucose joined by a(1,4) linkages with a(1,6) linkages every 5-10 residues. Question 4 (1 point) O A polymer of glucose joined by B(1,4) linkages with a(1,6) linkages every 5-10 residues. In the mechanism of...
Question 2 (1 point) Saved Which set of hydrogen atoms will undergo deuterium exchange with MeOD in the presence of MeONa? 1 2 1 and 2 only O2 and 3 only O 2 only O 3 only Which would be a reasonable intermediate for the this reaction? H30* PhoMe Ph-Me Ph Ome PhẩOMe OH PhẩOMe + OH OH + H2 Question 4 (1 point) Which hydrogen is most acidic? ace OD Question 5 (1 point) What is the product of...
which will produce a carboxylic acid(3rd pic) Question 10 (1 point) Which is not a suitable method to prepare the following carboxylic acid? 1. Mg 2. CO2 3. H2O* 1. NaCN 2. H30*Heat 1.2L 2.CO2 Br 3. H,09 0 1 and 3 only O 1, 2, and 3 O2 only O1 only How many equivalents of the amine below are required for this reaction to go to completion: MeCOCl + EtNH – MeCONHE 01/2 Ol 00 COH 1. Mg 2....
1. (Review) What are the absolute configurations of these two molecules? 4. What sequence would best accomplish this transformation? снион Low- CHICH .COH CHE (a) I(S) and II(S) (b) I(R) and II(S) (a) [1] SOCI, [2] (CH3)2NH (b) [1] NH3, [2] excess CHI (c) NaBH, [2] (CH3)2NH (d) LiN(CH)2 (c) I(S) and II(R) (d) I(R) and II(R) 2. (Review) What is the IUPAC name for the following compound? 5. (Review) Reduction of an alkyne to an E alkene can be...