Metathesis in Oleochemistry
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چکیده
منابع مشابه
Metathesis in Oleochemistry
Me tá te se é uma re a ção atra en te para a con ver são de óle os e gor du ras em pro du tos quí mi cos úte is. Assim, a me tá te se de és te res de áci dos gra xos in sa tu ra dos (cons ti tu in tes bá si cos de óle os e gor du ras) é uma rota con ve ni en te para a sín te se de diés te res in sa tu ra dos, que po dem ser usa dos como in ter me diá ri os na pro du ção de po lí me ros e na quí...
متن کاملSupported Catalysts Useful in Ring-Closing Metathesis, Cross Metathesis, and Ring-Opening Metathesis Polymerization
Ruthenium and molybdenum catalysts are widely used in synthesis of both small molecules and macromolecules. While major developments have led to new increasingly active catalysts that have high functional group compatibility and stereoselectivity, catalyst/product separation, catalyst recycling, and/or catalyst residue/product separation remain an issue in some applications of these catalysts. ...
متن کاملOlefin metathesis in air
Since the discovery and now widespread use of olefin metathesis, the evolution of metathesis catalysts towards air stability has become an area of significant interest. In this fascinating area of study, beginning with early systems making use of high oxidation state early transition metal centers that required strict exclusion of water and air, advances have been made to render catalysts more ...
متن کاملProgress in metathesis chemistry
In contrast to the production of simple bulk chemicals and polymers, which started shortly after the discovery of the “olefin scrambling” reaction, it was not until much later that this transformation was “rediscovered” by the academic world. In the last decade of the 20th century, the so-called olefin metathesis reaction gained real significance in advanced organic synthesis [1]. The developme...
متن کاملAlkyne metathesis.
This review discusses the emergence of alkyne metathesis as a valuable synthetic tool applicable in the synthesis of complex molecules and polymer science.
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ژورنال
عنوان ژورنال: Journal of the Brazilian Chemical Society
سال: 1998
ISSN: 0103-5053
DOI: 10.1590/s0103-50531998000100002