Preparation of pyrethroid precursors

Details Preparation of pyrethroid precursors Preparation of pyrethroid precursors

1984-03-15

1987-05-19

Brust, Joseph P.

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

Organic compounds

Nitriles

20415769, 558358, 558378, 560124, 560174, 560203, C07C 6104, C07C12000, C07C12146

Patent

active

046670505

ABSTRACT:
Substituted vinylcyclopropane carboxylates, useful precursors to pyrethroid insecticides, are prepared by noble metal catalyzed addition of 1-methyl-3-buten-2-yl or 4-methyl-3-penten-1-yl carbonates or carboxylic acid esters to malonic acid diesters, alkyl acetates or alkyl cyanoacetates.

REFERENCES:
patent: 3997586 (1976-12-01), Martel et al.
patent: 4257975 (1981-03-01), Punja
patent: 4362670 (1982-12-01), Woo
Baker; Chemistry and Industry, 18, Oct. 1980, pp. 816-823.
Trost, et al.; J. Org. Chem., 40, (1975), pp. 3617-3619.
Trost, et al.; J. Org. Chem., 41, (1976), pp. 3215-3216.
Nakada, et al.; Bull. Chem. Soc. Japan., 52, (1979), pp. 1511-1514.
Bently, et al.; Pestic. Sci., 11, (1980), pp. 156-164.
Arlt, et al.; Angew. Chem. Int. Ed., 20, (1981), pp. 703-722.
Easton, et al.; J. Org. Chem., 27, (1962), pp. 3602-3605.

Affiliated with

Also associated with

Rating

Preparation of pyrethroid precursors does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Preparation of pyrethroid precursors, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Preparation of pyrethroid precursors will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1566112