From: Maringanti Krishna (maringanti9$##$yahoo.com)
Date: Fri Dec 05 2003 - 09:46:14 EST
Dear Friends:
Though cis/trans notation is typically in vogue for indicating the isomers of 1,2-dimethylcyclohexne, the halogen addition products of 1,2-dimethylcyclohexene are typically indicated with E/Z nomenclature. (to show the addition of halogen molecules has taken place upon the different sides or same side).
Also, some text books use the notation trans(e,e)-1,2-dimethylcyclhexane, (e, e = being equitorial, equitorial) to indicate the more stable trans form (axial, axial is less stable by about 3.4 kcal per mol).
It seems only natural to extrapolate E/Z nomenclature for the Hydrogen addition product of 1,2-dimethylcyclohexane, though I cannot find any literature support for doing so!
Perhaps, cis and trans notation is just fine!
Krishna
Dr. Krishna Maringanti
Technical Director
Yeshua Chemicals and Pharmaceuticals Pvt Ltd
702, Raghavaratna Towers
Chirag Ali Lane
Hyderabad-500001
India
Tel:0091-40-33366667
Fax: 0091-40-23201954
E-mail: maringanti9$##$yahoo.com
---------------------------------
Do you Yahoo!?
Free Pop-Up Blocker - Get it now
_______________________________________________
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 : Wed Jan 14 2004 - 08:37:01 EST