Oxabicyclo[3.1.0]hexan-2-ones

Details Oxabicyclo[3.1.0]hexan-2-ones Oxabicyclo[3.1.0]hexan-2-ones

1981-09-28

1982-08-24

Fan, Jane T.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

562506, C07D30793

Patent

active

043460380

ABSTRACT:
Novel compounds of the formula I ##STR1## in which each of Y.sup.1 and Y.sup.2 independently represents a fluorine, chlorine or bromine atom and each of R.sup.1 and R.sup.2 independently represents a hydrogen atom or an alkyl group having up to 10 carbon atoms, or R.sup.1 and R.sup.2 together represent an alkylene group having from 2 to 5 carbon atoms, may be converted by the action of base into the corresponding dihalovinylcyclopropane carboxylic acids which are intermediates for preparing known pyrethroid insecticides.

REFERENCES:
patent: 4166063 (1979-08-01), Martel et al.
patent: 4294765 (1981-10-01), Kramer et al.

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