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What is the product of the reaction of glucose with NH3?

We are talking about the product from the reaction of glucose with ammonia (NH3).  Glucose is a sugar molecule with the formula C6H12O6.  It is comprised of five different hydroxyl groups (OH) which have slightly acidic protons.  Ammonia is a mild organic base that can react with the glucose molecule by deprotonating the hydroxyl groups.  So the main reaction between the two will be the ammonia molecules removing the protons from the hydroxyl groups to form the ammonium salts (NH4+).  Another possible reaction is the cyclizing of the glucose molecule.  Glucose can exist in a linear form with an aldehyde at one end and a hydroxyl group on the other end.  Ammonia could catalyze the condensing of these groups to allow the glucose molecule to exist in cyclic form with a hemi-acetal group instead.

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