N-(4-oxo-butanoic acid) -L-amino acid-ester derivatives and...

Details N-(4-oxo-butanoic acid) -L-amino acid-ester derivatives and... N-(4-oxo-butanoic acid) -L-amino acid-ester derivatives and...

2004-07-07

2008-05-20

Page, Thurman K. (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

C560S008000, C560S019000, C560S037000, C560S038000

Reexamination Certificate

active

07375245

ABSTRACT:
The present invention provides a compound of the following formula (I):wherein R1is methyl or 4-aminobutyl, which may be acylated; X is phenyl or substituted phenyl; W is an esterified group removable by hydrogenolysis. Also disclosed is the preparation method and the application of formula (I) compound.

REFERENCES:
patent: 4925969 (1990-05-01), Takahashi et al.

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