chalte chalte elimination vs subs

1,2 dichloro propane+(alc.)KOH------->??

this question was posted quite earlier,but i want to revive the disscussion

hints:think of E1,E2 and Sn2

11 Answers

19
Debotosh.. ·

prop1,2 diene and 1-propyne
why do u want sn2...alc koh is not meant for sn2 ! the sn2 products would , however , be prop 2 ene 1,2diol

1
Grandmaster ·

and if i say alc KOH is 1 mole

19
Debotosh.. ·

for 1 mole of alc KOH we get 1 chloro propyne

1
Grandmaster ·

sorry but i don't think 1 mole of KOH will give a "triple bond"

19
Debotosh.. ·

why not ? then you mean to say that a cumulated system is stabler than a triple bond ?????

1
Grandmaster ·

i am soory the question is a bit wrong editing it!!!![2][2][2]

1
Grandmaster ·

edited!!!now ok debo can give the answer!!!~

19
Debotosh.. ·

1 chloro prop 1 ene

1
Grandmaster ·

i thought that ALC. KOH will attack the unhindered carbon first and then the answer would be 2 chloroprop-1-ene!!!

think abt it.......or whats ur logic???

1
Grandmaster ·

what happened debo

19
Debotosh.. ·

alc KOH prefers E1 reaction mechanism thereby going for the more stable carbocation !

Your Answer

Close [X]