If ferrocene have rotating Cp rings, why 1,2 subst. ferrocene is chiral?

Subject: If ferrocene have rotating Cp rings, why 1,2 subst. ferrocene is chiral?

Date: Thu Aug 3 14:59:48 2000
Posted by Alberto Federman Neto
Grade level: teacher/prof School: University of Sao Paulo, College of Pharmaceutical Sciences.
City: Ribeirao Preto State/Province: Sao paulo,State, SP Country: Brazil
Area of science: Chemistry
ID: 965329188.Ch

Message:


I'm a young professor and scientist in organometallic chemistry            
( 
(graduated). I work mainly in ferrocene chemistry, but a fact seems to be 
strange for me:
I know that the two rings of the ferrocene are continously rotating, in 
solution, but, if they are rotating, because 1,2-substituted ferrocenes ( 
with two different groups) are quiral and have planar chirality? Seems to 
me that if the molecule is not rigid, the two isomers should be only one!

Re: If ferrocene have rotating Cp rings, why 1,2 subst. ferrocene is chiral?

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