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Metathesis of a novel dienediyne system: a unique example involving the usage of in situ generated ethylene as cross-enyne metathesis partner

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Title Metathesis of a novel dienediyne system: a unique example involving the usage of in situ generated ethylene as cross-enyne metathesis partner
 
Creator KOTHA, SAMBASIVARAO
MANDAL, KALYANESWAR
 
Subject organometallics
catalysts
ethylene
 
Description A unique example of sequential ring-closing metathesis and cross-enyne metathesis is reported. Here, the in situ generated ethylene by product from ring-closing metathesis is trapped by alkyne moiety. No metathesis product formation was observed with more reactive second generation catalyst in the absence of ethylene. Differential chemoselectivity with the first and second generation Grubbs’ catalyst has been observed when the reaction was performed in presence of the external source of ethylene.
 
Publisher Elsevier
 
Date 2009-02-24T12:19:08Z
2011-11-25T17:44:32Z
2011-12-26T13:06:18Z
2011-12-27T05:54:07Z
2009-02-24T12:19:08Z
2011-11-25T17:44:32Z
2011-12-26T13:06:18Z
2011-12-27T05:54:07Z
2007
 
Type Article
 
Identifier Journal of Organometallic Chemistry 692(22), 4921-4927
0022-328X
http://dx.doi.org/10.1016/j.jorganchem.2007.07.009
http://hdl.handle.net/10054/765
http://dspace.library.iitb.ac.in/xmlui/handle/10054/765
 
Language en