??? ??????(Alkynes and Alkadienes ) - PowerPoint PPT Presentation

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??? ??????(Alkynes and Alkadienes )

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(Reduction reactions) Lindlar Z- Na+NH3(l) E ... (The reaction of conjugate dienes) 1) H2 ... – PowerPoint PPT presentation

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Title: ??? ??????(Alkynes and Alkadienes )


1
??? ??????(Alkynes and Alkadienes )

??? ?? (Alkynes)
 
 
 
2

C?sp??
??
????
C
2Py1SP
2Px12Py12Pz
2Px12Py12Pz1
 
 
 
SPSP
2S2
2S1
SP
3
????(Nomenclatures)
4
?? ????? (The Properties of Alkynes)
5
????????????,????? P81.
6
(No Transcript)
7
2. ?? (Add Water)
8
(No Transcript)
9
?????
3. ?? (Oxidations)
10
(No Transcript)
11
4. ??????
12
(No Transcript)
13
S????,C-H??s?????????,??C??????,????C-H????,H????
14
2) ?? (Applications)
15
5. ???? (Reduction reactions)
16
Lindlar ???,?????? Z-?? NaNH3(l)??? ? E-???
?. ?????(The Preparation of Acetylene)
17
(No Transcript)
18
(No Transcript)
19
?. ???????
20
(No Transcript)
21
??? ??? (Dienes)
?? ????? (The types and Nomencaltures)
1)?????
????
???



1,2-???

2)????? ???????? ?
22
????
??????(??)

23
3 ?????????????????????
???????,???
24
?????????? (The structure characteristic of
dienes)
1 .??????
2. 1, 3-??????
25
3. ???????
26
4. ?? ??1)???????? 2)??p????--???
??????
3) ????,???? 4) ??????? 5) ?????????????
????
6)????,???????,?????,????????
?? ?????? (The Preparation of Butadiene) 1)?????
(Dehydrogenation of butane)
27
2)?????
????????
?? ???????? (The reaction of conjugate dienes)
1) ?H2, HX, X2 a) ?H2
28
????(Reaction Mechanism)
29
????(-80?),Br-?????,???1,2-?? ????(40?),
Br-?????,?????,???1,4-????
??????? ?????? ??????
30
2)Diels-Alder??(D-A??) ???-????? (??????)
31
(No Transcript)
32
??S-??????Diels-Alder??? ?????????,???D-A???
33
??
???????,?????????
?? ?? ?????????????????
34
??? ????(conjugate effect)
????????
????-?????P?????????????????,?????????,?????,
??????, ????????????????????,??????????????
35
(No Transcript)
36
(No Transcript)
37
(No Transcript)
38
?????????? ????(C,-C)?????(-I,I)????,????gt???
?P-p??P??????????,??????,?C,???-C
?????????
39
C?-I????,C??gt-I??C?????,??????
40
(No Transcript)
41
(No Transcript)
42
?????????????????????,? ???????
43
p-p??
44
  • ???????????????????
  • ?????????????,????????,???????
  • ?????????????,???????
  • ?????????????

45
  • ????????
  • ???????
  • ????

????????
  • ?????

46
?? 1?2?3?4?8?9?11?12?13? 14?15?16?17?18?19
47
??? ?????????
1?2-??,1?4-??????
48
(No Transcript)
49
(No Transcript)
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