Re: tojc
casmiedm@plu.edu
Tue, 10 Dec 1996 12:45:26 -0800 (PST)
Heather,
The book is trying to say that you cannot use an organic compound
that contains an acidic hydrogen (such as HCCH). It's Ka value is around
25. When this compound reacts with a Grignard reagent, which is a strong
base, a Grignard reaction does not occur. Instead, an acid-base reaction
occurs. You can, however, use a compound that contains an internal triple
bond but does not have any hydrogens directly bonded to the carbons of
that triple bond. Hope this clears the air.
Dan Casmier
casmiedm@plu.edu
On Tue, 10 Dec 1996 carterhk@plu.edu wrote:
> one more thing i dont understand: the book says that you cant use
> -c-triple bond -c- in the grignard reaction, then it goes on to use an
> example with this compound and says that you can use a compound with an
> internal triple bond. does anyone understand this? i was completely lost!!
> please let me know!
> thanks!
> heather
> carterhk
>
>
>