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Alkene

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0% found this document useful (0 votes)
12 views19 pages

Alkene

Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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3:14 PM Wed 20 Jun

O70%

[AlkeneJ
klas olitns oe caue Lower member es cH, =C4,
with
halag
(o0me qdoaka ne
Jomemkmi
) Alkene fom chain, poikan, funienel, ingchaf
qLoetial amd ophcal isoner
do not torm otahnal r corferatnal
iNOmeY dhie to restied otalen
autive alkee has s Carbon
atom
<=0
9 do not form otatnal r confermak nal
iome dhie to rested taan
) Smallet opi cally ahve alklue has s-Carbon
atom

cPreparah on q alkene
higher alkaue
higher alkane on Cracking forn alkee
6o0-7o oc
H

() cHa-M-cHs
320 PM Wed 20 Jun 66%

kiher alkane o Cracking from alkeue


6o0To oc
H

Dispop0r Honekon

a From Alkyne'
Parhal
cataysd
3.28PM Wed 26Jun 65%

29 Fro m Alkye'e
Paral

cabalqt..
Oindlav Catalyt-jPd- Ba so, cao,| Gruinalane
BasOycals auts as PoisOn and deaeivate Pd,
oterwie al kae wil
@ H/Nieb Nickel Bonde / P-2
caalt
BoHe/THF followed by CHsCooHpor yield
Sia bH/cHs CooH lis hydhogenatBn beHex yield
330PA Wed 20 Jun

Sia BH/Hs CooH belex yitld


as bgdogeako
Hli Na) uiw diq NHs ’ Trans hychogah
Gireh reduehon
Nole- 1) Temina adkyne cau not be redued by
Nal iq NN belaue aid- Bae neahon
aud balt formed
R-CE-H R-c=&N
Texminad alkyne
&inorne
Nin B/He
H
i) BeH6/THE a bH,
1) CHsCooA

2 Tras alkene
342PM Wed 20 Jun 60%

) Prepav ah n allkele via Eliminaion Reath oWs

A) Debydro katogeahe n

Alkl allkene
adde andorgo p- deagoatogeahom to

ale kon/NaN
1
R-cH=Hh
ale koN[A ,
E2
Hoam
IRx Reativit rdex Elminahon
Nole R-HCHs Hownaun Elimiudiou R-cH=Mt RaN

CHgCo + Chs-cHh
347P Wed 26 Jun

<=0 @0T4 6
pH
Eliiwaliea CHgCo Chg-c=h

8) De hy drah e aleo hol:


Common
A\0, o The Toibo-356c.

e RL is Caxbolatiann i 3°R-oH)a'R-oH) iR-o4


concaSO Reaiity touwarda dehytraha

Noe:- R-CH=HcooH NaoH/Cao/a


Decazborytahon
alkyl heldes
) Yiunal dehalide- Viinal olahalide uudexgo
Common dehydraing aget
Al, O, Tho Thos bo-ssoe.

Rea i vity touarda delyarakta


oH
Nok- R-CH=H-CooH NaoH/CAD/A R-CH<Cth+ cost
Decavorlaho

o viünal dihalide:- Viinal cihalide undevgo


dehalogenatsn
3

NalR-CH-u-e
Acehone
R-cHt-Rt Ia
}unable
i) hieminal dilhaide:- catling via delalogalon
t 4Nax

4) y kalbe Elutolzh. coGNa kolbe, cH,2ch


toONa

CH,-CH-R
Y

Nal
Acehone R-CH-M-R R-cHzH-Rt I

ID heminal dialide:- catling via


R-CH=H-R +2Zns
+ 4Nat

LoONa
9 y kalbe Eluhlgha; kolbe, CHt
tooNa

CHh-H-R

6) Reduisn ox0 Yans .

Epoxide

1) C1 -Cy exit
tphynca properkes)
as
Cs
Ci8 Solid

Eihanelehyne has pleaent


bmlinq nmellng ge
gas ile otter
alkeies arre odoreles.
2) AI kemes
due to
have
polar
ome Ha bighn 6.P. and
Chraey
M.. than alkawe
Akane
more alkenes
4) Alke are water iwsoluble.
4
) Wih Yeathon:
he veakov g Phosphorsu ylide addenyde | katone introduce
plau a Covbon bonde c=e),
+ CCH + 0=pphs

an-Pphy
15

wiliy Remgeut
He phasphergus ylrale
Mechanibn
pphs CH + 0=Pphs
alh as E at, as N Getaine oxA plhasphelaue
itemediale intexmedate

Dxiving fore Hae reauton is bigh bond energy p=o, aH= -ve.

anish DNVedi
5
hol aleo ive
Ov
which SOy RH Qud reaLts
becRuse
it Soy Hh
Lone Aoluble ave AlKeues
H SDy H,
Cont
OH
(H/N0)
soy Ha
oil. +
Hdakon caalyed
Acid v)
OMOM IV
HBO
e Radical Free y
mdecule Addihion
Hx )
echam Loie 21) reahen: Addihem )
reakom
polymeiaken Saondmbahon
amd
Carbon suastituiG
- at ,oxtdali
Gn,
oHer Aomendurgo many Alkees
tocleophilre
Properke.J [chmical
AlwersAkita
ruwle.
ty Mp
excat perhies prphyical
o te AU$)
Addihon
) HX
as altacks
RI, eananglnlt may poA ble
atMOAt salble RI and
Nu
qtre maer puocul
3) Ht/ROH
Noe HGr in presne * peroxide
4) H*|Hs SH fives þe vo xide etet re. auti
Mar ko wkovi produt.
5) Ht/Hs CoOH
) Br fccy ert or Siue E hove lo. thats cohy en compleke with
& antiaddition iweling 3MNCCe as R1, Back aide atackh
4) Hod
1) HDBY
1) 1-CN
hy I-N I

I5)

19 ) Hq (oA:), /K,o i) NabHy (OM DM)

19))B Hc|TH.E ) ts coo H| H0

16) 17. alkaine cold kMwoy Bayey Reage


orol/lycol frmalio | hydroxylakon reauko
l8) 1. alkaline colod KMwoy Bayers Reagent
-4nsatvahon tert | byouo n Mn t fomed | Syn addiken
H
Hydralyn's -OH +Mno,
-OH

MUD
pople violel CSM

14) 0s0y) NaH so,| Ha0 sawt as above

pevfermic aud

Cns
Raamic
Epoxide mixTe

CAR
HoHHO
HotH H -OH
CH3 CH
hagdonglaio

W
we condihen
Swoodwrd
7
a) m CPOA
m-cluloepevbewgoie aud
mePeA
H

epoxide.
24) )mCpOA iD aot

2) kMnOy6H /A
=CH-R
= CHa
R-OH
HcOOH’+Hao
toJ

2) Nat Oy | KMnoy hemMwir Keagemt


Sod. pex iodate

pbt Dicmomae
Shng o. A behaves ike kmno,.
a9) Os Oy/ NatO lemuix Reageut

30) IAomexisaken reaiem Alktwes undevgo DwMeKAAkan at


gh demp. (Soo-le0) ox at lowex teapi pr eeute qaAd

8
Dg qive L3 addihen realhon uitte
alkes Hhe Produt is calld as Moloçonde
wich undergo angie
+ at -18e. to om ogonide
iw pre)ent
Dgo vnede ave uwstable, ex ploive in naure <
Give cleavage reacion to fom caroony o
carboxyllic aud bated condkn.

1.5-di polav add


ylo additHen
pemicyic reathon
Molozonde

Sliminale as
(o] nacent

Hao + (0]’ Ha
Oyonide
HloH

Nafe:
Oue Hheere
phe p + [oJ
a eh klan "Redu chve
ogonolyis
Cavbon compnd
frmed
Noe:-) Aq2o,
HCoOHHo,,
does R-l-o-0-4
not undogoats as oxidasing aqeut
) Yemars
To delevmine the no Casbon be caws mgc
ame (n reatout amd total duet.
8) Caleualk he no q db amd pohon o alkot.
diutoony and no
alkeue
c are samat

X CHo CHO
Hso/zh
a mol CHO
Ho
3 mo X =

Alllc oxdakoni Al Dae C-H


at
bond
lea4
cowerted
alylie C-OH via Se0

CH =CH-HHcH=H-H-OH
3alylic c-H >a°
Reaivity Series

10
1) UhlSooc

3) NS| NCS
) X in (oo conc ho

NGS Y
CH= H-Hy-Br

Ne,h
) hain Lnitaien
cH=H-H, + H-Br

Hep) +

Iowe MLehanls

CH, =UH-H
low conch

Pt}C, pd |c, Pho, (adan cakalgi)


DHleaguua alalgt NiJA Sabaier Method
Ni CNe-AI/ NaoN) veds occens at RT.
Sunaddii om via 4MCTS.
Reahviy derie coudingy
Reahviky
HOH a No-7 6 bond a

11
9 Homoqensws calalyt will kinsons calalyt
TAomemhah realu n:
A\kenes undergo omensakon at high deap
cso0 -n oöc) t louw er fep
anhy Al,.
CH-H-HCH
auhy Alls Ct-CH=H-tta + c=CH

tHalolatoni sati Gm)


S Cmd S unsatuvaled laboxyllic aud ge halo
latonisaion reaiGn wiH X Ceh, ora) in pree
halolatone S memlbered
kactone heve fmed is

H, = H- CH,-cH-oH
I

eler kal Latone

Fdedel Chraft Yeauiu

CH-C4= CH He-¢-ce CHs-cH-cH-Çts


CH-cH=H t
12
CH,
CH,-ÇH +H,C= CH,A); A) is:
CH,
(a)

() CHy-qHi-CH,CH =CH,
CH3
Mechanibm: CH, CH,
+H,cCH,’ CH, ¢CH, H,
CH, CH3 CH,

CH, ÇH, CH,


CH-CH, 1,2, CH, shift
-CH3 CH, CH CH,
CH,

13

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