Handout 3

Handout 3 - Chem 109 A L Name The foilowing compounds. C‘-

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Unformatted text preview: Chem 109 A L Name The foilowing compounds. C‘- cmgcxuigcrricrat3 ! C H3C/ H\CH3 b- - (in—13 CHSoHCHECPg CH3CHCH2CH2C¥1CH2CHZCH2CH3 CH3CHCH3 C] H3C CHZCH3CH3 GO 2. Draw The following compounds. o. 3nchtoro«2,3‘dimefhylcchopznTonol 4,5—die’rhy¥—3—iodo-4—oc’rammine sec~buty| chloride ferf—bufyl isobufyl ether- neopen'ryfi alcohol SVP-PP‘ E—maiE: ‘rer‘r‘i.benfzinger@sa.ucsb.edu Office Hours: T/R 1142 SRB 3227 ww‘w.cEas.ucsb.edu/sfaff/’rer'ri f. H3C ' OH 9 . Fir C'H'i CH3CHCH2CHCHZCH3 h. (EH3 CH3CHCH20H i . j . (CH333CNH2 Systechic Nomenclature of Organic Compounds 1. Find The longesT coniimous carbon chain {porenf chein). G. b. C. If There is o funcfionol group (Le. carbon-oxygen double bond, on alcohol, a carbon carbon mulTiple bond or an amine) iT must be on or porl‘ of The parent chain. If There is a ring in The compound either it will be The parent chain or The non ringed chain is The porenT chain BUT NEVER both TogeTher can be The porenT chain. If There are Two or more chains of equal lengTh, pick The one wiTh The greoTeST number of subsTiTuenTs. 2. Number The carbons in The poi-en? chain. a. c. d. If There is a funci'ionol group always give iT The lowest possible number (on o ring The lowesT number is always #2). If The functional group geTs The lowesT number from elTher end Then consider The lowesi number for The subsi'iTuenTs. if There is more Then one funcTionol group The prioriTy is corbonyls > alcohois > carbon-carbon mulTiple bonds > amines. If you have o carbon~corbon double bond and o carbon—carbon Triple bond whoever gei's The leaves? number in The chain wins. If boTh should get The some number The doubie bond geTs prioriTy. If ihere are no fundionol groups, give The subsTiTuenTs The lowest possible numbers. If you geT The some numbers from eiTher end Then give The alphabetically firsT subsTiTuenT The iowesT number. 3. Nome your compound. a. b. If The compound is a specific configuroTion or geometry {ole/Trans, E/Z or R15) This is indicaTed first The firs’r name is your sobsTiTuenTs in oiphebeficel order. Only alphabeTize The prefixes iso, neo and cyclo. Carbon sebcTiTuenTs are named by adding ihe -yl suffix To The sTem name. Halogen subsTlTuenTs are given The suffix wo. LisT The posiTion/s foilowed by The subsTiTuen'l-s name. tie. iii-subs? or #,#-dlsubsi. If a subsTiTuenT is on o N use an N as The number. Le. N-subsT. NoTe hyphens beTween number and leTTers, and commas heTween Two or more numbers. Use The greek prefixes (oi, Tri, TeTro eTc.) when There's more Then one identical subsTiuenT. The Ins? name of The compound is The name of Your parent chain. The sTem of The word Tells you The lengTh of The parent chain and The suffix of The perenT name should reflecf The Type of compound your naming. If The perern‘ chain is cyclic you musT include The prefix cycle. If your parenT chain has ofucTionol group in a posTion ThoT is no? obvious a number mus‘r be given To indicone iTs posiTion. éuifizes Stein: 1. Alkones - suffix ~one 16 r math; 2. Alkenes - suffix -ene 26 - eTh— 3. Alkynes - suffix dyne 3c aprop- 4. Alcohols on olkone - suffix -onol 4c -. but“ 5. Alcohols on alkene - suffix -enoi , 5::- - pent- 6. Alcohols on oikyne - suffix ~ynol ac .. hex- 7. Aldehyde - suffix -onol in: ~ hep?- 8. KeTone - suffix «inane '35 .. ad». 9. Corboxylic acid - suffix «onoic acid 9:: .- mm. 10. EsTers - suffix -cnooTe 10c . am. - 11. Amines - suffix ~onomine 11c * undec- 126 - dodec-- ...
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Handout 3 - Chem 109 A L Name The foilowing compounds. C‘-

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