Sandbox Reserved 770: Difference between revisions
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<nowiki>'''Rate Law of E1cB Mechanism''': Second Order Kinetics observed</nowiki> | <nowiki>'''Rate Law of E1cB Mechanism''': Second Order Kinetics observed</nowiki> | ||
<nowiki>1) E1cB anion : anion is stable; rapid first step, followed by the slow formation of products (k1>>k2).</nowiki> | <nowiki>1) E1cB anion : anion is stable; rapid first step, followed by the slow formation of products (k1>>k2).</nowiki> | ||
<nowiki>2) E1cB rev : first step is reversible, formation of product slower than reforming the starting material, this again results from a slow second step (k-1>>k2).</nowiki> | <nowiki>2) E1cB rev : first step is reversible, formation of product slower than reforming the starting material, this again results from a slow second step (k-1>>k2).</nowiki> | ||
<nowiki>3) E1cB irr : first step is slow (formation of carbanion intermediate); but once formed, the product quickly follows (k2>>k1,k-1). This leads to an irreversible first step.</nowiki> | <nowiki>3) E1cB irr : first step is slow (formation of carbanion intermediate); but once formed, the product quickly follows (k2>>k1,k-1). This leads to an irreversible first step.</nowiki> | ||