N-3, 3-DIMETHYLBUTYL-L-ASPARTIC ACID AND ESTERS THEREOF, THE PROCESS OF PREPARING THE SAME, AND THE PROCESS FOR PREPARING N-[N-(3,3-DIMETHYLBUTYL)-L-ALPHA-ASPARTYL)-L-PHENYLALANINE-1-METHYLESTER THEREFROM
申请人:The NutraSweet Company
公开号:EP1140795A1
公开(公告)日:2001-10-10
US6077962A
申请人:——
公开号:US6077962A
公开(公告)日:2000-06-20
US6627431B1
申请人:——
公开号:US6627431B1
公开(公告)日:2003-09-30
[EN] N-3, 3-DIMETHYLBUTYL-L-ASPARTIC ACID AND ESTERS THEREOF, THE PROCESS OF PREPARING THE SAME, AND THE PROCESS FOR PREPARING N-[N-(3, 3-DIMENTHYLBUTYL)-L- alpha -ASPARTYL]-L-PHENYLALANINE 1-METHYL ESTER THEREFROM<br/>[FR] ACIDE N-3, 3-DIMETHYLBUTYL-L-ASPARTIQUE ET SES ESTERS, SON PROCESSUS DE PREPARATION, ET PROCESSUS DE PREPARATION DE N-[N-(3, 3-DIMETHYLBUTYL)-L- ALPHA -ASPARTYL]-L-PHENYLALANINE 1-METHYL ESTER A PARTIR DE CET ACIDE
申请人:NUTRASWEET CO
公开号:WO2000039075A1
公开(公告)日:2000-07-06
This invention relates to the chemical synthesis of N-[N-(3,3-dimethylbutyl)-L-α-aspartyl]-L-phenylalanine 1-methyl ester using peptide coupling methods. The coupling reaction is conducted by condensation of an activated derivative of novel N-neohexyl-L-aspartic acid with L-phenylalaline or L-phenylalanine methyl ester or by enzymatic coupling of N-neohexyl-L-aspartic acid with L-phenylalaline or L-phenylalanine methyl ester. This invention also relates to novel N- (3,3- dimethylbutyl)-L-aspartic acid, derivatives thereof and the preparation thereof. The activated derivative of N-neohexyl-L-aspartic acid may be an anhydride, mixed anhydride, active ester or an intermediate activated derivative thereof.
[EN] CHEMOENZYMATIC SYNTHESIS OF NEOTAME<br/>[FR] SYNTHESE CHIMIOENZYMATIQUE DE NEOTAME
申请人:NUTRASWEET CO
公开号:WO2001085977A2
公开(公告)日:2001-11-15
A chemoenzymatic method is disclosed for preparing N-[N-(3,3-dimethylbutyl)-L-a-aspartyl]-L-phenylalanine 1-methyl ester via the enzymatic regioselective hydrolysis of neotame esters using lipases or esterases.