Acide aminé

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Jean Patrick Barboni
pKa values ​​for shared functional group The pKa table is your friend - Master Organic Chemistry . Chemistry Class 12, Chemistry Notes, Chemistry Lessons, Science Chemistry, Chemistry Tattoo, Chemistry Humor, Science Notes, Physical Science, Science Education

The pKa Table Is Your Friend

Why are pKas so important? Because every nucleophile is potentially a base, and vice versa. If you have a reaction where it looks like you might get SN2 or E2, look closely first - is there any chance of a simple acid-base reaction? For instance, take NaOH plus an alkyl thiol, R–SH. Is it an SN2? Or possibly an E2? Both are incorrect. The reaction that happens is the simplest one - deprotonation of SH, to provide water and the deprotonated thiol. Also, the pKa table tells you about leaving…

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Acides aminés & Sport : Lesquels sont les plus importants ?

Les acides aminés sont les constituants d'une liaison peptidique puis des protéines. Il existe plusieurs familles : acides aminés essentiels, non essentiels

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Acides aminés & Sport : Lesquels sont les plus importants ?

Les acides aminés sont les constituants d'une liaison peptidique puis des protéines. Il existe plusieurs familles : acides aminés essentiels, non essentiels

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Acides aminés & Sport : Lesquels sont les plus importants ?

Les acides aminés sont les constituants d'une liaison peptidique puis des protéines. Il existe plusieurs familles : acides aminés essentiels, non essentiels

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Acides aminés & Sport : Lesquels sont les plus importants ?

Les acides aminés sont les constituants d'une liaison peptidique puis des protéines. Il existe plusieurs familles : acides aminés essentiels, non essentiels

The pKa Table Is Your Friend Acid Base, Acide Aminé, Organic Chemistry, Knowing You, Told You So, Shit Happens, Table, Desk, Tabletop

The pKa Table Is Your Friend

Why are pKas so important? Because every nucleophile is potentially a base, and vice versa. If you have a reaction where it looks like you might get SN2 or E2, look closely first - is there any chance of a simple acid-base reaction? For instance, take NaOH plus an alkyl thiol, R–SH. Is it an SN2? Or possibly an E2? Both are incorrect. The reaction that happens is the simplest one - deprotonation of SH, to provide water and the deprotonated thiol. Also, the pKa table tells you about leaving…