Dihydroxybenzenes are aromatic chemical compounds where two hydroxyl [-OH] groups are substituted onto a benzene ring....
During electrophilic aromatic substitution, a resonance-stabilized cation intermediate is formed. Groups, already present on the benzene ring, that direct ortho/para further stabilize this intermediate by participating in the resonance delocalization of the positive charge. Assume that the following group is present on a benzene ring at position 1 and that you are brominating the ring at positon 4. In the box below draw the structure of the resonance contributor that shows this group actively participating in the charge delocalization. -OCH3...
There are several aromatic compounds with the formula CgH9Cl. Name those that have a trisubstituted ring where the methyl groups are oriented meta. If you choose to use ortho, meta, or para in your name, abbreviate these prefixes with o, m, or p. If there are not 3 isomers that fit the description, leave the appropriate number of spaces blank. Isomer #1: Isomer #2: Isomer #3:
where do the following get added onto on the steroid numbering system?: 1. OH 2. hydroxyl group 3. double bond 4. alchol chain 18 19 D 16 14 10 8 B Steroid numbering system
where do the following get added onto on the steroid numbering system?: 1. OH 2. hydroxyl group 3. double bond 4. alchol chain 18 12 131 19 D 16 To 13 A B s Steroid numbering system
Another ring structure is benzene. It is aromatic. It is a saturated hydrocarbon. The empirical formula is C6H6. The structural formula for benzene is . It contains three carbon- carbon single bonds and three carbon-carbon double bonds. To construct a model of benzene you will need six tetrahedral - shaped carbon atom centers. The flexible straws will be used to form the double bond between the two carbon atom centers. The green straws will be used to form the carbon-hydrogen...
6-8 6. Which of the following alkyl-substituted aromatic compounds will be the least ortho directing? a. b. C. d. 7. What major factors affect regioselectivity in electrophilic aromatic substitution reactions? a. Steric and inductive effects only b. Steric, statistical, and electronic effects (electron withdrawing electron donating) c. Statistical and electronic effects only d. Electronic effects only 8. Which of the following statements is always true regarding amino substituents (-NH, -NHR, and -NR.)? a. An additional resonance structure can be drawn...
There are several aromatic compounds with the formula C8H9Cl. Name those that have a disubstituted ring where the chlorine is attached to the ring. If you choose to use ortho, meta, or para in your name, abbreviate these prefixes with o, m, or p. If there are not 3 isomers that fit the description, leave the appropriate number of spaces blank.
Name: Assuming each compound is planar, state which of the following compounds are aromatic for each say why (8 points) b) Using curved arrows show how two more resonance structure can be derived for the following (show the derived structure). (2 points) 2. Considering the effect of the substituent on the benzene ring below. Identify the major product of the following reaction. (20 points) a. (5 points) Br2 FeBrg b. What is the active Electrophile for this reaction? (3 points)...
Identify the functional groups present in ibuprofen. O Н.С. CH OH A) phenol and ketone B) carboxylic acid and phenol C) carboxylic acid and benzene ring Н3С. CH2 D) alcohol, ketone and benzene ring CH CH3 Which of the following molecules is aromatic? A B OH NH2 A) A OH B) B C) C NH2 DD What is the classification of the side chain R group in the amino acid shown here? + ཡ་ས་ཡ H2N-CH-C-0 A) acidic CH2 B) basic...
Name: 3 1. Assuming each compound is planar, state which of the following compounds are aromatic and for each say why (8 points). a. b. d. C. HON b) Using curved arrows show how two more resonance structure can be derived for the following (show the derived structure). (2 points) d 2. Considering the effect of the substituent on the benzene ring below. Identify the major product of the following reaction. (20 points) a. (5 points) Hat Аневи Br2 FeBr3...