Process for the preparation of 3-carboalkoxypyrrolidones

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

1990-07-03

1992-05-05

Brust, Joseph Paul

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D20708

Patent

active

051109476

ABSTRACT:
The process of the present invention provides 3-carboalkoxypyrrolidones by the cyclization of a malonate, followed by reduction with hydrogen in the presence of a noble metal catalyst. The products are useful as intermediates for pesticides.

REFERENCES:
patent: 4874422 (1989-10-01), Woolard et al.
C.A., vol. 54, (1960), 12107f to i., Perekalin et al.
C.A., vol. 57, (1962), 9778f to 9779g., Cologne et al..

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