Title: ????????????? C=O
1403221 ?????????????????????????????
- ??. ??. ??????? ???????
- ??????????? ??????????????
- ??????????????????????
2?????????
- ????????????? CO
- ?????????? CnH2nO
3????????????????????? (aldehyde)
- ?????????
- ??????????????????????????????????????????????????
??????????? -(o)ic acid ???? aldehyde
4- ???? IUPAC
- ???????????????????????????????
?????????????????? alkanal ???????
?????????????? 1
5????????????????? (ketone)
- ?????????
- ??????????????????
6- ?????????????????? 2 ????????????????? CO
????????????????????????? ketone
7- ???? IUPAC
- ???????????????????????????????
?????????????????? alkanone ??????????????????
???????????????????????
8(No Transcript)
9???????????????
- ????????
- MW ???????? (oC)
- CH3CH2CH2-C-H 72 76
-
- CH3CH2-C-CH3 72 80
- CH3CH2CH2CH2CH3 72 36
- CH3CH2OCH2CH3 74 35
- CH3CH2CH2CH2OH 74 118
-
10- ????????? ???????????????????????????? ??????????
?????????????????????????????????????????????? - ?????????????????? CO ?????????????? ??????????
dipole ????????????????????????
??????????????????????????????????? -
11- ????????
- ????????? ????????????????????????????????????????
?????????????????????? - ???????????????????????????????
-
12??????????????????
- 1. ????????? oxidation ??? 1o ROH
?????????????????????? C ?????????????????
13- 2. Reimer-Tiemann reaction ????????????? phenolic
aldehyde
3. Gatterman-Koch reaction ?????????????
aromatic aldehyde
144. Rosenmund reduction
15??????????????
- 1. ????????? oxidation ??? 2o ROH
16- 2. ????????? hydration ??? alkyne
17- 3. ????????? hydrolysis ??? geminal dihalide
18- 4. ????????? Friedel-Craft acylation
?????????????????? C ?????????????????
19- 5. ???????????????? nitrile ??? RMgX ???? RLi
?????????????????? C ?????????????????
20- 6. ???????????????? acid chloride ??? R2CuLi
R, R ??????? alkyl ???? aryl ?????
?????????????????? C ?????????????????
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22- 7. ???????????????? acid chloride ???
organocadmium
?????????????????? C ?????????????????
23- ?????? Grignard reagent ???? organolithium ???
organocadmium
24- 8. ????????? ozonolysis ??? alkene
Asymmetric alkene ???????????? 2 ???? Symmetric
alkene ?????????????????????
25??????????????????????????????1. nucleophilic
addition
Nucleophile ?????? HCN hydrogen cyanide ROH
alcohol NaHSO3 sodium bisulfite RMgX Grignard
reagent HNH2 ammonia ??? ??????????? ammonia
26 27(No Transcript)
28 29(No Transcript)
30 31(No Transcript)
32- 1.3. Addition of bisulfite
?????? aldehyde ketone ???????????????????????????
33- 1.4. Addition of Grignard reagent (RMgX)
34(No Transcript)
35- 1.5. Addition of ammonia derivative
Reagent Product NH2OH hydroxylamine oxime
NH2NH2 hydrazine hydrazone phenylhydrazin
e phenylhydrazone semicarbazide semicarb
azone
36 372. Oxidation
- 2.1. Oxidation of aldehyde
- ???????????????????????? aldehyde ??? ketone
38Fehlings reagent Cu2 tartrate
complex Benedicts reagent Cu2 citrate
complex ???????????????????????? aliphatic ???
aromatic aldehyde
39- 2.2. Oxidation of methyl ketone (iodoform test)
-
alcohol ??? oxidize ??????? methyl ketone ??????
haloform ???????
403. Reduction
- 3.1. Reduction to alcohol
-
41- 3.2. Reduction to hydrocarbon
-
424. ???????????? a-hydrogen
- 4.1. Keto-enol tautomerization
-
Enolate anion ????????????? Resonance
resonance form
43- 4.2. Halogenation ?????????????????????? a-H
-
?????????????
44 45?????????????
46?????????????
47???????????????? aldol ?????? dehydration
485. Canizzaro reaction
- ?????????????? aldehyde ???????? a-H
- autooxidation-reduction
-
49?????????????