Solvent-free process for the preparation of ((pyridinyloxy)pheno

Details Solvent-free process for the preparation of ((pyridinyloxy)pheno Solvent-free process for the preparation of ((pyridinyloxy)pheno

1990-01-29

1991-09-17

Rotman, Alan L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546301, 546303, C07D21364, C07D213643, C07D21378

Patent

active

050496751

ABSTRACT:
A solvent-free process for the preparation of herbicidal 2-(4-(pyridinyl-2-oxy)phenoxy)propionate esters is disclosed. The process involves the coupling of a 2-fluoropyridine and an ester of 2-(4-hydroxyphenoxy)propionic acid in the presence of an anhydrous base and in the absence of an added solvent.

REFERENCES:
patent: 4046553 (1977-09-01), Takahashi et al.
patent: 4565568 (1986-01-01), Johnston et al.
patent: 4753673 (1988-06-01), Johnston et al.

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