2-(2',2'-dihalovinyl)-cyclobutanones and 2-(2',2',2'-...

Details 2-(2',2'-dihalovinyl)-cyclobutanones and 2-(2',2',2'-... 2-(2',2'-dihalovinyl)-cyclobutanones and 2-(2',2',2'-...

C - Chemistry, Metallurgy

07

C

260/582.3

C07C 45/00 (2006.01) C07C 53/50 (2006.01) C07C 57/54 (2006.01) C07C 57/76 (2006.01) C07C 59/115 (2006.01) C07D 307/33 (2006.01) C07D 307/94 (2006.01)

Patent

CA 1090825

ABSTRACT OF THE DISCLOSURE Novel 2-(2',2'-dihalovinyl)-cyclobutan-1-ones and 2-(2',2',2'-trihaloethyl)-cyclobutan-1-ones of the formula Image I are disclosed, wherein R1 represents -CH=CX2 or -CH2-CX3, and X in each case represents chlorine or bromine, one of R2 and R3 represents methyl and the other represents hydrogen or methyl, or R2 and R3 together represent an alkylene group having 2 to 4 carbon atoms. The cyclobutanones (I) are useful as intermediates in the preparation of pesticidally active 2-(2',2'-dihalovinyl)- cyclopropanecarboxylic acids and esters.

299989

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