Number | Date | Country | Kind |
---|---|---|---|
196 31 270 | Aug 1996 | DEX |
Filing Document | Filing Date | Country | Kind | 102e Date | 371c Date |
---|---|---|---|---|---|
PCT/EP97/03907 | 7/21/1997 | 1/28/1999 | 1/28/1999 |
Publishing Document | Publishing Date | Country | Kind |
---|---|---|---|
WO98/05633 | 2/12/1998 |
Number | Name | Date | Kind |
---|---|---|---|
5453531 | Seitz et al. | Sep 1995 |
Number | Date | Country |
---|---|---|
0 472 996 | Mar 1992 | EPX |
Entry |
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M. R. Vernsten et al: "The Preparation of Some N-Carbethoxyamino Acids", Mar. 1953, DC US, 1320-1321, XP002046973, Journal of the American Chemical Society. |
Database CAPLUS on STN, Acc. No. 108:38389, Chen et al., `Diisopropylethylamine eliminates dipeptide formation during the acylation of amino acids using benzoyl chloride and some alkyl chloroformates.` Can. J. Chem (1987), 65(6), pp. 1224-1227 (abstract), 1987. |