The present invention relates to processes for the preparation of thietane derivatives of the formula IA ##STR00001##
and thietane derivatives of the formula IB ##STR00002##
wherein R.sup.1, R.sup.2, A.sup.1, A.sup.2, A.sup.3, A.sup.4, B, and n are as defined in the claims. The invention also relates to intermediates useful in the processes, as well as the compounds of formula IA and IB and their use as pesticides.

This document discloses molecules having the following formula (Formula One):

##STR00001##

and processes associated therewith.

This document discloses molecules having the following formula (Formula One):

##STR00001##

and processes associated therewith.

This document discloses molecules having the following formula (Formula One):

##STR00001##

and processes associated therewith.

This document discloses molecules having the following formula (Formula One):

##STR00001##

and processes associated therewith.

This document discloses molecules having the following formula (Formula One):

##STR00001##

and processes associated therewith.

This document discloses molecules having the following formula (Formula One):

##STR00001##

and processes associated therewith.

This document discloses molecules having the following formula (Formula One):

##STR00001##

and processes associated therewith.

This document discloses molecules having the following formula (Formula One):

##STR00001##

and processes associated therewith.

This document discloses molecules having the following formula (Formula One):

##STR00001##

and processes associated therewith.