Number | Name | Date | Kind |
---|---|---|---|
2913496 | Cluff | Nov 1959 | |
3239528 | Bebenburg et al. | Mar 1966 | |
4140791 | Chan | Feb 1979 | |
4400330 | Wong et al. | Aug 1983 | |
4477666 | Hori et al. | Oct 1984 |
Entry |
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Sut et al, "N-Monoalkylation of Some 2-Oxo and 2,5-Diketopiperazines", Chimie Therapeutique, 4 (3), 167-173 (1969). |
Okawara et al, "Convenient Syntheses of Piperazines-2,5-Diones and Lactams from Halocarboxamides Using Phase Transfer Catalysts", Chemistry Letters, 1981, pp. 185-188. |
Cavicchioni et al, "Base-Promoted Reactions of .alpha.-Halogenoalkylanilides", J. Chem. Soc. Perkin Trans. I, pp. 2969-2972 (1982). |