Process for the preparation of 3-acylpyrrolidones

Details Process for the preparation of 3-acylpyrrolidones Process for the preparation of 3-acylpyrrolidones

1988-12-27

1989-10-17

Lee, Mary C.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546281, C07D20746, A01N 4336, A01N 4340

Patent

active

048748730

ABSTRACT:
The process of the present invention provides 3-acylpyrrolidones by reaction of an anilino ketone with a diketene, followed by reduction with hydrogen in the presence of a noble metal catalyst. The products are useful as intermediates for pesticides.

REFERENCES:
CA 95(23:140709m--Abstract of Japanese Patent No. 46/24381, Jul. 13, 1971, Kobayashi et al.
CA 91(5):39819c--Abstract of: Synthesis of .beta.-Carboxy-.gamma.-Aminobutyric Acid; Danilova, E. M.; Derbeneva, V. P.; "Metody Sint. Str. Khim. Prevrashch, Nitrosedin, Gertsenovskie Chteniya", 31st, 27-30, (1978).
CA 54:12107f--Abstract of: Synthesis of .gamma.-Amino Acids and Pyrrolidones; V. V. Perekalin et al., "Zhur. Obshchei Khim." 29, 2905-2910, (1959).
CA 31:9778f--Abstract of: Preparation of 2-Pyrrolidones and .gamma.-Amino Acids, "Bull. Soc. Chim.", France, 1962, 598-603; Jean Cologne et al.

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