Cornelis Adriaan Lobry van Troostenburg de Bruyn [SEP] date of death
Cornelis Adriaan Lobry van Troostenburg de Bruyn
Cornelis Adriaan Lobry van Troostenburg de Bruyn (1 January 1857 – 23 July 1904) was a chemist from the Netherlands.
Biography.
De Bruyn was born on in Leeuwarden, where his father, Nicholaas Lobry van Troostenburg de Bruyn, was a physician in practice. The boy was in due time sent to the high school of the town (Hoogere Burger School), and subsequently for a year to gymnasium. In 1875, he entered the University of Leiden, and in
conditions. A typical rearrangement reaction is that between the aldose glyceraldehyde and the ketose dihydroxyacetone in a chemical equilibrium.
The Lobry de Bruyn–van Ekenstein transformation is relevant for the industrial production of certain ketoses and was discovered in 1885 by Cornelis Adriaan Lobry van Troostenburg de Bruyn and Willem Alberda van Ekenstein.
Aldose-ketose transformation.
The following scheme describes the interconversion between an aldose and a ketose, where R is any organic residue. 
The equilibrium or the "reactant to product ratio" depends on concentration