N-phenylpyrrolidines

Details N-phenylpyrrolidines N-phenylpyrrolidines

1990-05-10

1992-04-28

Ivy, C. Warren

Chemistry: fertilizers

Processes and products

Forms or conditioning

71 88, 71 90, 71 92, 71 93, 71 94, 71 95, 71 77, 71118, 548531, 548534, 544141, 544372, 546208, A01N 4336, A01N 2532, C07D20712, C07D20714

Patent

active

051084821

ABSTRACT:
The 1-(3,5-bis-trifluoromethylphenyl)-2-thioxopyrrolidine-4-carboxylic acid derivatives of the formula I below are suitable for protecting crop plants against the phytotoxic action of herbicides and for regulating the plant growth.
The 1-(3,5-bis-trifluoromethylphenyl)-2-thioxopyrrolidine-4-carboxylic acid derivatives are those of the formula I ##STR1## wherein A is --COOR.sub.1, --COSR.sub.1, --COO.sup..crclbar. M.sup..sym., --CONR.sub.2 R.sub.3 or --COCl; R.sub.1 is hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.2 -C.sub.6 alkenyl or C.sub.2 -C.sub.6 alkynyl; R.sub.2 and R.sub.3 independently of one another are hydrogen, C.sub.1 -C.sub.4 alkyl or C.sub.3 -C.sub.7 cycloalkyl; or R.sub.2 and R.sub.3 together with the nitrogen atom to which they are bonded are a saturated 3- to 7-membered heterocycle which can contain an additional hetero atom selected from the group comprising O, N and S and which is unsubstituted or up to trisubstituted by C.sub.1 14 C.sub.4 alkyl; and M.sup..sym. is the equivalent of an alkali metal cation or an alkaline earth metal cation or HN.sup..sym. (R.sub.2).sub.3, and their isomers in optically pure or enriched form.

REFERENCES:
patent: 3136620 (1964-06-01), Bucha et al.
patent: 4013445 (1977-03-01), Bellus et al.
Chemical Abstracts, vol. 109, No. 21, Abstract 190239Z, Nov. 24, 1988, p. 695.
Lowry et al, An Introduction to Organic Chemistry, 1951, p. 215.

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