The prefix N- (italicized) is added as a locant to identify substituents on the amino nitrogen as needed Page 8 IUPAC Nomenclature of Amines 8 (b) The
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[PDF] AMINES
The prefix N- (italicized) is added as a locant to identify substituents on the amino nitrogen as needed Page 8 IUPAC Nomenclature of Amines 8 (b) The
[PDF] Chapter 17: Amines and Amides
17 3 Nomenclature for Amines Atomic grouping Suffix -amine Prefix amino Position in chain anywhere General formula CnH2n+3N Rule 1: Select as the
[PDF] 145 Chapter 24: Amines Amines: Nitrogen containing organic
There are many naturally occurring organic compounds that The nomenclature for primary amines is similar to that of alcohols, practice problem 24 1 (p 908)
[PDF] Unit One Part 2: naming and functional groups
To write and interpret IUPAC names for small, simple molecules • Identify some –amine amino R-NH2 ether R O R –ether alkoxy R-O-R alkyl bromide
[PDF] Nomenclature
followed in practice, and the common or trivial name may be used Page 3 rules for alkane nomenclature • Find and name the longest carbon chain
[PDF] Organic Chemistry II / CHEM 252 Chapter 20 – Amines
Simple secondary and tertiary amines are named in common nomenclature by designating In systematic nomenclature, the smaller groups on the amine nitrogen are designated as Practical Application of replacement with H • Example:
[PDF] Chapter 19 – Amines
When there are four R groups attached to a nitrogen, it is called a quaternary ammonium salt o Common names ▫ Say the alkyl groups attached and then say “
[PDF] Amines
10 2 How Are Amines Named? IUPAC nomenclature retains the common name aniline for C6H5NH2 , the simplest aromatic amine Its simple derivatives are
[PDF] Short Summary of IUPAC Nomenclature of Organic Compounds
are the root names of organic compounds Beginning with the five-carbon alkane, the number of carbons in the chain is indicated by the Greek or Latin prefix
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AMINES
1Amines
Introduction
2Aminesareorganicderivativesofammoniainwhichoneor
moreofthehydrogenatomsofammoniahavebeenreplacedby alkylorarylgroups. HNH HAmmonia
RNH HAmines
RNH R RNR RNatural Amines
3 Aminesoccurwidelyinnatureinbiologicalsystems(inboththe plantandanimalkingdom).Smalleraminesarecharacterisedby theirfishyodours. Serotonin,aneurotransmitterfoundinthegastrointestinaltract, regulatesmoodandappetite(isresponsibleforthefeelingof havinghadeatenenough).Classification of Amines
4 Aminesareclassifiedasprimary,secondaryortertiarybasedon thedegreeofsubstitutiononnitrogen(numberofalkyloraryl residuesattachedtothenitrogen). Notethedifferenceinclassificationofalcoholsandamines: Alcoholsareclassifiedbythenumberofalkylgroupsonthe- carbon,butamines(asiswithamides)areclassifiedbythe numberofalkylorarylgroupsattachedtothenitrogen.IUPAC Nomenclature of Amines
5 IntheIUPACnomenclature,aliphaticaminesarenamedintwo waysdependingonthecomplexityoftheirstructure: (a)Simpleprimaryaminesarenamedbyappendingthesuffix aminetothenameofthealkylgroup(radical).Consequently, theyarenamedasalkylaminesorarylamines.Underthisnomenclature,theaminogroupispresumedtobe
connectedtoC-1.IUPAC Nomenclature of Amines
6Examples
Symmetricalsecondaryandtertiaryaminesarenamedbyadding tothenameoftheradical,aprefix-or-respectively, andthesuffixamine.IUPAC Nomenclature of Amines
7Examples
Unsymmetricallysubstitutedsecondaryandtertiaryaminesare namedasN-substitutedderivativesofprimaryamines.The longestcarbonchainprovidestheparentnameandtheothersare consideredN-substituentsoftheparentchain.TheprefixN- (italicized)isaddedasalocanttoidentifysubstituentsonthe aminonitrogenasneeded.IUPAC Nomenclature of Amines
8 (b)Thealternativesystemofnamingaliphaticaminesis analogoustothatofalcohols.Thenamesofaminesarederived byaddingthe-aminesuffixtothesystematicnameoftheparent alkane.Consequently,aminesarenamedasalkanamines. Theprocessbeginsbyidentifyingthelongestcarbonchainthat containstheaminogroupandthennumberingfromtheendof thechainthatgivestheaminogroupthelowestlocant.NH2CH3CH2
Ethanamine
NH2CH3CH2CH2CH
CH32-Pentanamine
OHCH3CH2CH2CH
CH32-Pentanol
AlcoholAmine
OHCH3CH2
Ethanol
1 2 34512HNCH3CH2
N-methylethanamine
HNCH3CHCH2CH
CH3N-Cyclopropyl-4-methyl-2-Pentanamine
1 2 34512 CH3 CH3