3. Give Names or structures for the following: - Hom b. HO (this is racemic, not...
31. What is the relationship between these two structures? HO - and a. Identical structures b. Constitutional isomers c. Enantiomers d. Diastereomers 32. Which Newman projections is the most stable conformation for butane? CH, CH HỌC CH, H.CH Q0 Buod 33. Which of the following compounds is a meso compound? OHH 34. Which of the following alkyl halides will not undergo S12 reactions. volta
(d) Give the structures of the polymers which can be formed from the following monomers. HOOH + Ho но — он (iii) 4. (a) What is the general structure of an a-amino acid. (6) (b) Give an example of amino acids with (i) Hydrophobic, (ii) Polar (iii) acidic (basic) side chains (look up a reference). Ginecological chalins (cookeo 5. (a) What is the necessary and sufficient condition that a molecule is chiral (optically active)? (b) What is a stereocentre? How...
Give systematic (IUPAC) nomenclature for the following structures. Names must be complete for full credit. Rank the following in terms of acid strength: Which substituent on a phenol (para to the -OH) will result in the lowest pKa? (draw the structure first)
3-41 Propose structures and give IUPAC names for the following: (a) A diethyldimethylhexane (b) A (3-methylbutyl)-substituted alkane
answer (3 pts) 4 of 6 7. Label all functional groups present within the following molecules. Ifa higher priority functional group is comprised of two or more other functional groups, label the higher priority group only. (2 pts each) OH penicillin 8. Which of the following compounds is/are optically active? Circle your answer. (2 pts each) meso-tartaric acid L-cysteine 1.4-butanediol (R)-2-iodohexane 9. Rank the following in order of increasing acidity. (5 pts) HF CH3NH2 CH3OH HB CH3CH2CH2CH2CH3
a. Provide the IUPAC name of the molecule shown below. (4 points) b. Circle all achiral (meso) compounds below. (4 points) OH COH HOZC OH c. Draw the structure of the compound based on its IUPAC name. (4 points) d. Of the cations below, circle any that are achiral. (4 points) OAC Hg ΤΗ (E)-4-ethyl-3-fluorohept-3-ene e. Provide the IUPAC name of the molecule shown below. (4 points) f Rank the following cations from least stable to most stable. (3 points)...
1. Give IUPAC names for the following compounds: O H.C =CH-C-NH2 H,00 H.CO 2. Draw structures corresponding to each of the given names. Ethyl 4-aminobenzoate acetic formic anhydride 3. What is the order of decreasing reactivity towards nucleophilic acyl substitution for the carboxylic acid derivatives? (most reactive first) H,C-4-0--CHHC-2-N(CH) Hc--OCH, (CH),CH----OCH,
please answer the following: 1. Give the reagents for the following reaction sequence: O obco 2. Rank the following compounds in increasing order of reactivity towards nucleophilic acyl substitution (least to most reactive) goblok 3. Give the products for the following reactions: OH 1. KMnO/H* protection H01 pTSA 2. MeMgBr (excess) 3. H30* 2. SOCIzpyr. 1. deprotect. HCI PPh Good Luck Homework 3-Spring 2020 W Downloads/Homework%203-Spring%202020.pdf 4. Give the products for the following reactions: 1. H30+ ethene 2. H.Cro 1....
1.) (9 points) Give structures for the following compounds: a) meta-phenylphenol b) 6-benzyl-3-heptanol e) ortho-sec-butyltoluene 2.) (9 points) Name the following compounds: 3.) (8 points) Label the following molecules as aromatic, anti-aromatic, or non-aromatic. For the ones th aren't aromatic, explain why they are either non-aromatic or anti-aromatic. 0.8 4.) (11 points) For the following electrophilic aromatic substitution reaction: Вт, FeBr; a) Which product is the major one? b) Draw a complete mechanism for the formation of the major product...
Name: Consider the following compound: a. (4 pts) Write its systematic name: b. (2 pts) How many equivalents of a Grignard reagent would react with it 2. (3 pts) Consider the following compound: a. (3 pts) In the space above, write the names of all the carbonyl-containing functional groups in it. b. (2 pts) On the structure, circle the two carbonyls that are the most electrophilic (no need to decide which is most vs second-most). Consider the following reaction, whose...