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(a)
Interpretation:
The name of each substituent in the given molecule should be identified.
Concept introduction:
Substituent chains are the group of molecules or atoms attached to a parent chain of a compound. Naming of the substituent chain is same as that of name of parent chain.
Name for the alkyl substituent chain depends on the number of carbon atoms present in the substituent chain. The suffix for the substituent chain is ‘yl’ instead of the parent name suffix ‘ane’.
Number of carbon atoms | Name of alkyl substituent |
1 | methyl |
2 | ethyl |
3 | propyl |
4 | butyl |
5 | pentyl |
6 | hexyl |
7 | heptyl |
8 | octyl |
9 | nonyl |
(c)
Interpretation:
The name of each substituent in the given molecule should be identified.
Concept introduction:
Substituent chains are the group of molecules or atoms attached to a parent chain of a compound. Naming of the substituent chain is same as that of name of parent chain.
Name for the alkyl substituent chain depends on the number of carbon atoms present in the substituent chain. The suffix for the substituent chain is ‘yl’ instead of the parent name suffix ‘ane’.
Number of carbon atoms | Name of alkyl substituent |
1 | methyl |
2 | ethyl |
3 | propyl |
4 | butyl |
5 | pentyl |
6 | hexyl |
7 | heptyl |
8 | octyl |
9 | nonyl |
(b)
Interpretation:
The common name and IUPAC name of each substituent in the given molecule should be identified.
Concept introduction:
Substituent chains are the attached chains to a parent chain of a compound. Branched alkyl substituents are called complex substituent. Naming of the substituent chain is same as that of name of parent chain.
There are two types of naming the substituents, common name and IUPAC name.
The common name is the conventional name of the substituent.
IUPAC name is a systematic name.. The principles of IUPAC name of a substituent is same as that of
- Identify the longest chain and give name by counting the number of carbon atoms. (Refer below mentioned table)
- Number the longest chain, such that the substituents get lowest number.
- For substituents the suffix will be ‘yl’. (Example: methyl, ethyl, etc.)
- Substituents are written first in IUPAC name with their respective carbon number and then the parent chain is written.
Number of carbon atoms | Name of substituent alkane |
1 | meth |
2 | eth |
3 | prop |
4 | but |
5 | pent |
6 | hex |
7 | hept |
8 | oct |
9 | non |
(d)
Interpretation:
The common name and IUPAC name of each substituent in the given molecule should be identified.
Concept introduction:
Substituent chains are the attached chains to a parent chain of a compound. Branched alkyl substituents are called complex substituent. Naming of the substituent chain is same as that of name of parent chain.
There are two types of naming the substituents, common name and IUPAC name.
The common name is the conventional name of the substituent.
IUPAC name is a systematic name.. The principles of IUPAC name of a substituent is same as that of alkane parent chain except the suffix where ‘yl’ is used instead of ‘ane’.
- Identify the longest chain and give name by counting the number of carbon atoms. (Refer below mentioned table)
- Number the longest chain, such that the substituents get lowest number.
- For substituents the suffix will be ‘yl’. (Example: methyl, ethyl, etc.)
- Substituents are written first in IUPAC name with their respective carbon number and then the parent chain is written.
Number of carbon atoms | Name of substituent alkane |
1 | meth |
2 | eth |
3 | prop |
4 | but |
5 | pent |
6 | hex |
7 | hept |
8 | oct |
9 | non |
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Chapter 4 Solutions
Organic Chemistry, Binder Ready Version
- B 1 of 2 Additional problems in preparation to Midterm #1: 1.) How can the following compounds be prepared using Diels-Alder reaction: CH3 O CN (a) (b) CN CH3 2.) What is the missing reagent in the shown reaction? H3C + ? H3C H3C CN H3C ''CN (၁) H 3.) Write the products 1,2-addition and 1,4-addition of DBr to 1,3-cyclohexadiene. Remember, D is deuterium, a heavy isotope of hydrogen. It reacts exactly like hydrogen. 4.) In the shown reaction, which will be the kinetic product and which will be the thermodynamic product? H3C CI H3C HCI H3C + 5.) Which of the following molecules is aromatic? (a) (b) (c) H 6.) Which of the following molecules is aromatic? (a) (b) (c) 7.) Write the mechanism for the shown reaction. + Ха AICI 3 CI 8.) Suggest reagents that would convert benzene into the shown compounds. CI NO2 -8-6-6-8-a (a) (b) (c) (d) (e) (a) SO3H Brarrow_forwardThe number of 2sp^2 hybridized atoms in is: A. 8; B. 6; C.4; D.2; E.0;arrow_forwardThe highest boiling compound from among the following isA. 2-methylheptane; B. 3-methylheptane; C. 2,2-dimethylhexane;D. octane; E. 2,2,3-trimethylpentanearrow_forward
- Which of the following features are found in the most stable structure ofCH5NO that does not have a CO bond?w. a π bond, x. two NH bonds, y. one OH bond, z. 3 lone pairsA. w, x; B. x, y; C. y, z; D. x, y, z; E. all of them.arrow_forwardWhich one of the following functional groups is not present in thecompound shownA. amine; B. aldehyde, C. ether; D. amide. E. ketonearrow_forwardWhich of the following formulas correspond to at least one compound inwhich resonance is important?w. C2H5N x. C3H5Br; y. C3H4; z. C4H6.A. w, x, y; B. x, y, z; C. w, x, z; D. w, y, z; E. all of themarrow_forward
- Predict the product(s) that are formed after each step for reactions 1-4. In each case, consider formation of any chiral center(s) and draw all expected stereoisomers. 1) OH 1) HBr (SN2) 2) NaOH, heat 3) BH3, THF 4) H2O2, NaOH 2) OH 1) SOCI 2, py 2) NaOEt 3) Br2, H₂O 3) OH 1) H2SO4 conc. 2) HBr, ROOR 3) KOtBu 4) OH 1) TsCl, py 2) NaOEt 3) 03 4) DMSarrow_forwardWhich of the following rings has the least strain in its most stableconformation?A. Cyclobutane; B. Cyclopentane; C. Cyclohexane; D. Cycloheptane;E. Cyclooctanearrow_forwardThe number of different carbon skeletons that have a main chain of 9carbons and an ethyl branch isA 3; B. 4; C. 5; D. 6; E. 7arrow_forward
- Q5: Classify the following pair of molecules as constitutional isomers, enantiomers, diastereomers, the same molecule, or completely different molecules. Br O CI Br OH OH 111 Br .!!!/Br F OH and ...m Br Br OH CI Br OH ་་་་་" ། ་arrow_forwardConsidering only rotation around the 1-2 bond, how many differentstaggered conformations are there of 1,2-dibromo-1,2-dichloropropane?A: 2; B. 3; C. 4; D. 6; E. more than 6.arrow_forwardcan you help me solve thisarrow_forward
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