Organic Chemistry Structures of Organic Compounds
Organic Chemistry Structures of Organic Compounds
Organic Chemistry Structures of Organic Compounds
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OESTERH 3C O R CH 3 CO 2 CH 3 methyl ethanoateCyclic Alkanes (C n H 2n )Just add cyclo to name.cyclopropane cyclobutane cyclopentane cyclohexaneSubstitutents on cyclic systems – geometric isomers.H 2H 2CCH CHC 33H 2C CH 2H 2C CH 2HCCHHCCHCH 3CH 3 CH CH 3 3CH 3CH 3cis-1,2-dimethylcyclopentaneSAME SIDE <strong>of</strong> plane defined by ringtrans-1,2-dimethylcyclopentaneOPPOSITE SIDESAlkenesANE → ENENaming ends is ene ethane → etheneH 3 C-CH 3 H 2 C=CH 2H 2C C H H 2CC C CHH2 H33 - heptenelongest chain with double bond in it - gives double bond lowest possible numberi.e., 3-pentene not 4-penteneNBbond strength <strong>of</strong> double bond (~267 kcal/mol) less than bond strength <strong>of</strong> single bond (350 kcal/mol)
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