บทที่ 11 เคมีอินทรีย์km.nssc.ac.th/files/1503181010510342_  · บทที่ 11 : เคมีอินทรีย์ (Organic chemistry) เอกสารประกอบการเรียน วิชา เคมี 5

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  • 11 :

    (Organic chemistry)

    5 ( 33225)

  • (Organic chemistry)

    (Organic chemistry)

    (Inorganic chemistry)

    18

    , ,

    .. 1828 (Friedrich Wohler)

    Ammonium cyanate Urea

  • (Organic chemistry)

    (Organic chemistry)

    (C)

    -

    - CO2 - (H2CO3)

    - CaCO3 , NaHCO3- Na2C2O4 - KCN

    - NH4OCN

    - KSCN

    - CaC2- CCl4 , CS2 , COCl2

  • (Organic chemistry)

    C, H, O, N, S, F, Cl, Br, I P

    C H (Hydrocarbon compounds)

  • 6C : 1s2 2s2 2p2

    : 4 (covalent bond) 4 8

    1 2 3 (single bond) (double bond) (triple bond)

  • H C C H

    H

    H

    H

    H

    HC

    H

    H HC

    CH C H

    (single bond)

    (double bond)

    (triple bond)

  • 1. (Extended structural formula)

    - C 4

    - N 3

    - O 2

    - H, F, I, Cl, Br 1

    1 1 (2 )

  • 2. (Bond line structure formula)

    C H C () C H

  • 3. (Partially extended structrural formula)

    -OH, -COOH, -NH2, -CHO, -CONH2)

  • 4. (Condensed structural formula)

  • (Condensed structural formula)

    1.

    2. C

    H

    EX. C3H6 , C3H8O

  • EX.

  • H C C

    H

    H

    H

    H

    C C

    H H

    C

    H

    H

    H

    C5H10

    CH3CH2CH=CHCH3

  • C10H22

    H C

    H

    H

    C C

    H

    H

    C

    H

    C

    C HH

    H

    C HH

    H

    C

    C

    H

    HH

    H

    C

    H

    H H

    H

    H

    H

    (CH3)3CCH2CH(CH2CH3)2

  • 1.

    = ............................................

    2.

    = ............................................

  • 1. 2.

    = =

    3. 4.

    = =

    5. 6.

    = =

  • (Isomerism)

    (Isomerism)

    1.

    2.

    -

    -

  • (Isomerism)

  • (Isomerism)

    Constitutional Isomers : (Structural Isomers)

    1.Skeleton Isomerism : ()

    CH3CH2 CH2 CH3

    C4H10 () 2

    CH3 CH

    CH3

    CH3

    -138.3 oC -159.4 oC

    -0.5 oC -11.7 oC

    nbutane Isobutane

  • (Isomerism)

    2. Position Isomerism :

    C4H8 ()

    CH2=CHCH2CH3 CH3CH=CHCH31-butene 2-butene

    -6 oC 1 oC

  • (Isomerism)

    3. Functional Isomerism :

    C2H6O

    CH3CH2OH CH3OCH3ethanol dimethyl ether

    (Alcohol, hydroxyl group) (Ether, alkoxy group)

    78 oC -25 oC

  • C6H14

    C C C C C C

    1

    C C C C C C

    (Isomerism)

  • C C C C C C

    C C C C C

    C

    1 2 3

    123

    C C C C C

    C

    (Isomerism)

  • 2

    C C C C C C

    C C C C C C

    (Isomerism)

  • C C C C C C

    C C C C C C

    1

    1

    1

    1

    2

    2

    2

    2

    (Isomerism)

  • C C C C C C

    C C

    1

    1

    2

    2

    C C C C

    1

    1

    2

    2

    1

    2

    2

    3

    (Isomerism)

  • C C C C

    C

    C C C C

    C

    C C C C

    C

    C

    C

    2

    2

    2

    (Isomerism)

  • 3 C6H14

    C C C C C C C

    1

    1 C CCC C

    (Isomerism)

  • C6H14

    (Isomerism)

  • = = =

    = = =

    (CH3)3C CH2CH3 = CH3CH2C(CH3)3

    (CH3)2CH(CH2)2CH3 = CH3(CH2)2CH(CH3)2

    (Isomerism)

  • (Isomerism)

    1 CH4

    2 C2H6

  • (Isomerism)

    3 C3H8

    4 C4H10

  • (Isomerism)

    5 C5H12

  • (Isomerism)

    6 C5H10

  • (Isomerism)

    11.1 12-13

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