| 摘要 |
1320274 Geranyl ethers; insecticidal compositions F HOFFMANN-LA ROCHE & CO AG 5 Oct 1971 [6 Oct 1970] 46266/71 Heading C2C The invention comprises a compound where Y is R-C(CH 3 )=CH- or a group (A); R and R 1 are CH 3 or C 2 H 5 ; x is 1 or 2 and Z is -CH 2 CH 2 O(CH 2 ) n CH 3 , -CH(CH 3 )O(CH 2 ) n CH 3 -CH 2 COO(CH 2 ) m CH 3 , the group (B) or the group (C), where n is 0, 1, 2 or 3 and m is 0 or 1, and its preparation by (a) reacting a compound with a compound W-Z, where one of K and W is Cl, Br or I and the other is OH, (b) reacting an alcohol with an ether or (c) treating a compound (I) where Y is R-C(CH 3 )=CH- with an epoxidizing agent. Insecticidal compositions, which prevent insect maturation, comprise the compounds of the invention and conventional diluents. |
