Optically active N-(1'-methyl-2'-methoxyethyl)-N-chloroacetyl-2-

Chemistry: fertilizers – Processes and products – Forms or conditioning

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564214, 564304, A01N 3722, C07C23325

Patent

active

050026062

ABSTRACT:
The optically active mixture of isomers of aRS,1'S(-)-N-(1'-methyl-2'-methoxyethyl)-N-chloroacetyl-2-ethyl-6-methylan iline has improved action against problem weeds over the racemic mixture of isomers known as "Metolachlor".

REFERENCES:
patent: 3028430 (1962-04-01), Gillingham
patent: 3576854 (1971-04-01), Felder et al.
patent: 3937730 (1976-02-01), Vogel et al.
patent: 3969397 (1976-07-01), Kaiser et al.
Fieser et al., "Reagents for Organic Synthesis", vol. 6, p. 64 (1977).
Burger, "Medicinal Chemistry", Part I, 3rd Ed., pp. 81-82 and 100-103 (1970).
Wagner et al., "Synthetic Organic Chemistry", pp. 155-156 (1963).
Hans Moser et al., Der Einflub von Atropisomerie und chiralem Zentrum auf die biologische Aktivitat des Metolachlor, pp. 451-462 (1976).
Chem. Abstr. 97-7167h, vol. 97, pp. 569 (1982).

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