From: J.N.Iley (J.N.Iley$##$open.ac.uk)
Date: Fri Nov 08 2002 - 07:28:24 EST
The value for sigma para for the ethynyl group is 0.23 (from Corwin Hansch's
compendium and from Perrin Dempsey and Serjeant)
Jim
> -----Original Message-----
> From: samarium Steiner [SMTP:neptunium$##$gmx.net]
> Sent: 07 November 2002 08:14
> To: everybody$##$orglist.net
> Subject: ORGLIST:sigma hammett
>
> Hi!
>
> I'm looking for the sigma hammett constant of the ethinyl-group attached
> on
> a aromatic nucleus (para position to an attached alkyl side chain).
> The computational program ACD/Sigma Pro can calculate this, but I have no
> account to this program.
>
> Thanks for helping!
>
> --
> +++ GMX - Mail, Messaging & more http://www.gmx.net +++
> NEU: Mit GMX ins Internet. Rund um die Uhr für 1 ct/ Min. surfen!
>
> _______________________________________________
> ORGLIST - Organic Chemistry Mailing List
> Website / Archive / FAQ: http://www.orglist.net
> To post a message (TO EVERYBODY) send to everybody$##$orglist.net
> To unsubscribe, send to everybody-request$##$orglist.net the message:
> unsubscribe your_orglist_password your_address
> List coordinator: Joao Aires de Sousa (coordinator$##$orglist.net)
_______________________________________________
ORGLIST - Organic Chemistry Mailing List
Website / Archive / FAQ: http://www.orglist.net
To post a message (TO EVERYBODY) send to everybody$##$orglist.net
To unsubscribe, send to everybody-request$##$orglist.net the message: unsubscribe your_orglist_password your_address
List coordinator: Joao Aires de Sousa (coordinator$##$orglist.net)
This archive was generated by hypermail 2.1.4 : Fri Sep 19 2003 - 12:16:54 EDT