Dublin's Iconic Landmarks
Discover the rich history and beauty of Dublin through its iconic landmarks like St. Stephen's Green, Parliament Building, The Wellington Monument, The Millennium Spire, The Post Office, Jim Larkin Monument, Daniel O'Connell statue, W.B. Yeats Bust, Oscar Wilde Statue, James Joyce Statue, and Charles Stewart Parnell memorial. These landmarks showcase the cultural heritage and artistic contributions of Ireland's capital city, inviting you on a visual journey through centuries of tradition and innovation.
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Presentation Transcript
Name Reactions by Dr. Atul Kumar Singh Assistant Professor Department of Chemistry M. L. Arya College, Kasba Purnia -854330 India
Reformatsky reaction First discovered by Russian scientist Sergey Nikolaevich Reformatsky in 1887 for the synthesis of Beta- hydroxyester utilizing Reformatsky reagent. Condensation reaction of aldehydes or ketone with - halo ester using Zinc metal is known as Reformatsky reaction.
Zinc enolate do not react with esters so there is no possibility of self condensation between ester and ester in the presence of zinc metal.
- ketoester If reaction take place between nitriles and -halo ester, Beta ketoester is obtained
Beta-hydroxyester easily dehyrated to produce , -unsaturated esters