DIR Return Create A Forum - Home
---------------------------------------------------------
Chemistry:The Central Science
HTML https://kolathechemist.createaforum.com
---------------------------------------------------------
*****************************************************
DIR Return to: General Organic Chemistry
*****************************************************
#Post#: 1255--------------------------------------------------
Alkynes
DIR By: Chris
Date: November 27, 2012, 11:24 am
---------------------------------------------------------
Im trying to find out.. Is there any general method for
preparing alkynes in the laboratory. Im familiar with ethyne.
What about other alkynes...
#Post#: 2205--------------------------------------------------
Re: Alkynes
DIR By: Potla
Date: February 26, 2013, 5:39 am
---------------------------------------------------------
One way is to treat CH=CH with one mole of strong base such as
NaNH2 which gives us the CH=C-Na+ salt. This can be reacted with
any R-I you like to give CH=CR. And if you want, you can use
NaOEt again followed by R'I on this compound to get CR'=CR. :)
*****************************************************
Page 1 of 1