7-substituted 2,3-dihydrobenzofurans, their preparation and...

Details 7-substituted 2,3-dihydrobenzofurans, their preparation and... 7-substituted 2,3-dihydrobenzofurans, their preparation and...

C - Chemistry, Metallurgy

07

D

260/303, 167/12.

C07D 413/04 (2006.01) A01N 43/12 (2006.01) A01N 43/82 (2006.01) A01N 47/24 (2006.01) C07D 307/79 (2006.01)

Patent

CA 1177833

ABSTRACT The invention relates to 7-substituted 2,3-dihydrobenzo- furans. There are provided 7-substituted benzofurans of general formula Image (A) wherein X, Y and Z together represent n bridging group -CO-O-C(OR)?, or X is a chlorocarbonyl group, Y is hydrogen and Z is a carboxylate ester group -COOR, or a salt thereof; R and R1 each represents a lower alkyl group; R2 represents a lower alkyl group or a hydrogen atom; and R3 represents a lower alkyl group or a halogen atom; their preparation; and their use as pesticides or as intermediates in the preparation of pesticidally active compounds.

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