Extra Naming worksheet for Aldehydes and Ketones (Key)
Extra Naming worksheet for Aldehydes and Ketones (Key). O. (4S5Z)-4
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Chapter Objectives: •. Learn to recognize the aldehyde and ketone functional groups. •. Learn the IUPAC system for naming aldehydes and
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When the carbonyl group (C=O) has two C atoms bonded to it is classified as a ketone. 5.2 Naming Aldehydes and Ketones Naming practice: Try naming these ...
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https://www.angelo.edu/faculty/kboudrea/index_2353/Chapter_03_2SPP.pdf
CHAPTER 5 ALDEHYDES AND KETONES
When the carbonyl group (C=O) has two C atoms bonded to it is classified as a ketone. 5.2 Naming Aldehydes and Ketones Naming practice: Try naming these ...
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• Four discrete steps to naming an aldehyde or ketone. • Same procedure as • Practice drawing the mechanism of acetal formation with. SkillBuilder 19.2.
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Monosaccharides contain a single polyhydroxy aldehyde or ketone unit (e.g. glucose
The Carbonyl Group Nomenclature of Aldehydes and Ketones
Learn to recognize the aldehyde and ketone functional groups. •. Learn the IUPAC system for naming aldehydes and ketones.
Extra Naming worksheet for Aldehydes and Ketones (Key)
Extra Naming worksheet for Aldehydes and Ketones (Key). O. (4S5Z)-4
Chem 124 PAL Worksheet Aldehydes and Ketones Page 1 Write out
Chem 124 PAL Worksheet. Aldehydes and Ketones. Page 3. 3. Draw step-by-step reaction mechanisms for each of the following reactions. Be sure to.
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Class II Carbonyls – Aldehydes and Ketones: • Aldehydes have the general group –CHO where a carbon is double bonded to an oxygen (a carbonyl) and also has a
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12.10 How Are Aldehydes and Ketones Reduced? The IUPAC system of nomenclature for aldehydes and ketones follows the ... See problems 12.17 12.18.
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Nomenclature of Aldehydes and Ketones The carbonyl carbon of an aldehyde or ketone is sp2-hybridized. ... In practice tertiary.
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Four discrete steps to naming an aldehyde or ketone Practice with SkillBuilder 19.1 ... Practice drawing the mechanism of acetal formation with.
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https://www.angelo.edu/faculty/kboudrea/index_2353/Chapter_03_2SPP.pdf
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Lievens, January 2012 University of California, Davis Chemistry 118 Series 27 Intermediate IUPAC Nomenclature VIII Aldehydes and Ketones Class II Carbonyls - Aldehydes and Ketones: • Aldehydes have the general group -CHO where a carbon is double bonded to an oxygen (a carbonyl) and also has a hydrogen attached. Ketones have the general group -COR where a carbon is double bonded to an oxygen (a carbonyl) and has two alkyl groups attached. Carbonyl groups are polar but do not donate hydrogens to H-bonds so have moderate boiling points and slight water solubility. • Aldehydes have naming priority over ketones, both aldehydes and ketones have are higher priority than alcohols and are lower priority than carboxylic acid derivatives • IUPAC Nomenclature of class II carbonyls follows these steps: 1) Find the longest chain of continuous carbons that includes the carbon attached to the carbonyl. This is now the main chain. Name this chain as if it were a straight chain alkane. a. If the carbonyl is an aldehyde drop the -e ending and add -al. b. If the carbonyl is a ketone drop the -e ending and add -one. 2) Count the carbons in the main chain left to right and right to left. The direction you first run into the carbon attached to the carbonyl is the direction use to number the chain. a. In aldehydes the carbonyl carbon is always C-1. b. If the numbers are the same go to the next highest priority functional group or substituent and follow its priority rules. 3) Give each substituent a number according to which carbon itʼs attached to. Numbers for alkenes and alkynes correspond to the lower numbered of the two carbons in the bond. a. If both aldehydes and ketones are in the same molecule the aldehyde gets the -al ending and the ketone becomes an oxo- substituent. 4)
List the substituents in alphabetical order in front of the main chain as you would in an alkane. Alkenes and alkynes are always listed as -ene or -yne at the end of the name. 5) Multiple substituents of the same kind are combined and given a prefix to indicate the number. (di-, tri-, tetra-) these prefixes do not count towards alphabetical order unless they are part of a branched substituent. 6) List any relevant stereochemistry (R,S,E,Z) in parenthesis in front of the substituents. Stereochemistry is italicized. Notes: Carbonyls as substituents are oxo- groups.
Lievens, January 2012 University of California, Davis Chemistry 118 Series 28 Notes: Cycloalkanes with a single carbon -CHO (formyl) group attached are given the base name: cycloalkanecarbaldehyde. Examples: H
O O H O O O Cl O ClCompound A
Compound B
a heptane HO HO Br Br a cyclohexane 1) 2) H O O HO Br 6 4 5 3 1 2 7The aldehyde is the highest priority
substituent. So we number the molecule R-->L. The postions of the other substituents are not relevent. O Cl 6 4 5 3 1 2The ketone is the highest priority
substituent and so it gets to be position1. The next highest priority substituent is
the alkene so it gets the lowest numbers it can 2,3 is lower than 5,6 so we number counter-clockwise. 3) H O O HO Br 6 4 5 3 1 2 7 O Cl 6 4 5 3 1 22-methyl
4-oxo-
6-bromo
7-hydroxy
2-ene3-ethyl
5-chloro
4,5,6)
6-bromo-7-hydroxy-2-methyl-4-oxoheptanal
(Z)-5-chloro-3-ethylcyclohex-2-enone or (Z)-5-chloro-3-ethyl-2-cyclohexenoneLievens, January 2012 University of California, Davis Chemistry 118 Series 29 Practice Carbonyl Nomenclature: O
OH O OH F F F O H O H Cl O Br Cl O H OO O O H O O H O Br H O O 2 N OO O O H Br O OH O H OO H O HO OCH 3 O H O H O AB C D F G H I J L M N O Q R T U V W O E O K O Br CF 3 S O O X H Oquotesdbs_dbs2.pdfusesText_2[PDF] aldehyde and ketone nomenclature practice
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