Process and promoting agents for the preparation of loweralkyl 2

Details Process and promoting agents for the preparation of loweralkyl 2 Process and promoting agents for the preparation of loweralkyl 2

1977-04-06

1979-01-23

Tovar, Jose

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2604381, C07D20732

Patent

active

041360974

ABSTRACT:
A process for the preparation of loweralkyl 2-(N-R'-pyrryl)-.alpha.- loweralkanoic acid esters in increased yield and/or isomeric purity, and copper (II) 1,3-diketonate, copper (II) salicylaldehyde, copper (II) monoamino-1,3-diketonate, and copper (II) salicylaldimine complexes useful as promoting agents for said process.

REFERENCES:
patent: 3544589 (1970-12-01), Orth et al.
patent: 3963480 (1976-06-01), Bailey
Rapoport et al., J. Org. Chem. vol. 14, pp. 664-669 (1949).
Berichte der Deutschen Chemischen Gesellschaft vol. 64, pp. 1924-1931 (1931).
Sohl et al.; J.A.C.S. vol. 55, pp. 3828-3833 (1933).
Maryanoff et al.; J. Het. Chem. vol. 14, pp. 177-178 (1977).
Leary et al.; Chemistry and Industry pp. 283-284 (1964).

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