Patent application number | Description | Published |
20110136186 | PREPARATION OF ALPHA-AMINO-EPSILON-CAPROLACTAM VIA LYSINE CYCLISATION - The present invention relates to a method for preparing α-amino-ε-caprolactam, comprising converting lysine to α-amino-ε-caprolactam, wherein the conversion is catalysed by a biocatalyst. Further, the invention relates to a host cell comprising at least one recombinant vector comprising a nucleic acid sequence encoding a biocatalyst with lysine cyclase activity. Further a method is provided wherein α-amino-ε-caprolactam is used for preparing c-caprolactam. | 06-09-2011 |
20110171699 | PREPARATION OF 6-AMINOCAPROIC ACID FROM 5 -FORMYL VALERI C ACID - The invention relates to a method for preparing 6-aminocaproic acid (hereinafter also referred to as ‘6-ACA’) using a biocatalyst. The invention further relates to a method for preparing e-caprolactam (hereafter referred to as ‘caprolactam’) by cyclising such 6-ACA. The invention further relates to a host cell, a micro-organism, or a polynucleotide which may be used in the preparation of 6-ACA or caprolactam. | 07-14-2011 |
20110183386 | PREPARATION OF EPSILON-CAPROLACTAM FROM (Z)-6,7-DIHYDRO-1H-AZEPIN-2(5H)-ONE - The invention relates to a method for preparing ε-caprolactam comprising reducing the carbon-carbon double bond of (Z)-6,7-dihydro-1H-azepin-2(5H)-one, wherein the reduction is catalysed by a biocatalyst. The invention further relates to a novel host cell comprising a biocatalyst capable of catalysing said reduction and to a novel polynucleotide encoding a biocatalyst capable of catalysing said reduction. | 07-28-2011 |
20110257358 | METHOD FOR PREPARING E-CAPROLACTAM FROM N-ACYL-6-AMINOCAPROIC ACID - The invention relates to a method for preparing ε-caprolactam comprising deacylating N-acyl-6-aminocaproic acid and forming ε-caprolactam. The deacylation may be carried out chemically or biocatalytically. The invention further relates to a host cell, comprising a recombinant vector comprising a nucleic acid sequence encoding an enzyme capable of catalysing the formation of 6-aminocaproic acid from N-acyl-6-aminocaproic acid. | 10-20-2011 |
20120028320 | PREPARATION OF ADIPIC ACID - The invention relates to a method for preparing adipic acid, comprising converting alpha-ketoglutaric acid (AKG) into alpha-ketoadipic acid (AKA), converting alpha-ketoadipic acid into alpha-ketopimelic acid (AKP), converting alpha-ketopimelic acid into 5-formylpentanoic acid (5-FVA), and converting 5-formylpentanoic acid into adipic acid, wherein at least one of these conversions is carried out using a heterologous biocatalyst.The invention further relates to a heterologous cell, comprising one or more heterologous nucleic acid sequences encoding one or more heterologous enzymes capable of catalysing at least one reaction step in said method. | 02-02-2012 |
20120190087 | PREPARATION OF 1,4-DIAMINOBUTANE - The present invention relates to a novel method for the preparation of 1,4-diaminobutane [DAB]. The method according to the present invention involves at least one biocatalytic step which comprises the biocatalytic production of at least one N-protected precursor of DAB. The present invention also relates to a method for the preparation of DAB involving at least one biocatalytic step, and comprising the steps of a) biocatalytically preparing an N-protected precursor of DAB yielding a—biocatalytic reaction mixture containing the N-protected precursor of DAB, b) recovering the N-protected precursor from the biocatalytic reaction mixture and c) converting the N-protected precursor into DAB. More in particular, the present invention relates to a method for the preparation of DAB, wherein the at least N-protected precursor of DAB is selected from the group consisting of N5-protected ornithine, N-protected DAB, and N-protected 4-aminobutyraldehyde. | 07-26-2012 |
20140134681 | PREPARATION OF 6-AMINOCAPROIC ACID FROM 5-FORMYL VALERI C ACID - The invention relates to a method for preparing 6-aminocaproic acid (hereinafter also referred to as ‘6-ACA’) using a biocatalyst. The invention further relates to a method for preparing e-caprolactam (hereafter referred to as ‘caprolactam’) by cyclising such 6-ACA. The invention further relates to a host cell, a micro-organism, or a polynucleotide which may be used in the preparation of 6-ACA or caprolactam. | 05-15-2014 |