| Patent application number | Description | Published |
|---|
| 20080249329 | Process For Esterification Of An Organic Acid - The invention relates to a sulphonic acid salt of an amino acid alkyl ester The invention further relates to a process for the esterification of an organic acid into the corresponding organic acid ester comprising bringing the organic acid into contact with a strong acid and a solution comprising dialkylcarbonate in a reaction mixture. The invention further relates to the use of a sulphonic acid salt of an amino acid alkyl ester in the synthesis of a β-lactam antibiotic. | 10-09-2008 |
| 20090326164 | PROCESS FOR THE PREPARATION OF A HYDROXY-AROMATIC RESIN: HYDROXY-AROMATIC RESIN, AND MODIFICATION THEREOF - The invention relates to a hydroxy-aromatic resin, prepared by bringing together and reacting a hydroxy-aromatic compound and glyoxylic acid, | 12-31-2009 |
| 20100143981 | WHOLE-CELL CATALYTIC SYSTEM COMPRISING A HYDANTOINASE, A RACEMASE AND A CARBAMOYLASE - The present invention relates to a whole cell catalytic system for the preparation of an enantiomerically enriched α-amino acid from a corresponding hydantoin wherein hydantoinase, L-carbamoylase and hydantoin racemase are coexpressed in a recombinant micro-organism wherein the genes coding for these three enzymes are located on a single replicon. The present invention further relates to the use of such a whole cell catalytic system according in the preparation of an enantiomerically enriched L-α-amino acid from a corresponding hydantoin. | 06-10-2010 |
| 20100174092 | NOVEL 5 SUBSTITUTED HYDANTOINS - The present invention relates to 5-substituted hydantoins, a process for the preparation of 5-substituted hydantoins and the use of 5-substituted hydantoins in the preparation of enantiomerically enriched α-amino acids. Furthermore, the present invention relates to the preparation of pharmaceutically active products such as perindopril and ramipril using the novel 5-substituted hydantoins. | 07-08-2010 |
