C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
167/10.2, 260/29
C07D 231/54 (2006.01) A01N 47/38 (2006.01) C07D 491/04 (2006.01) C07D 491/052 (2006.01)
Patent
CA 2011094
TITLE INSECTICIDAL TETRAHYDROBENZOPYRANOPYRAZOLES ABSTRACT OF THE DISCLOSURE This invention concerns substituted tetrahydro- benzopyranopyrazoles of the formula Image wherein R1 through R5 are as defined herein, intermediates thereto, agricultural compositions containing the tetrahydrobenzopyranopyrazoles and a method for using them to control arthropods in agronomic and nonagronomic environments. Also disclosed is a process for preparing the tetrahydrobenzopyranopyrazoles by cyclization of phosphorus-containing starting reactants in the presence of a halogenating agent and base.
Harrison Charles R.
Lham George P.
Shapiro Rafael
E. I. Du Pont de Nemours And Company
E.i. Du Pont de Nemours And Company
Harrison Charles R.
Lham George P.
Shapiro Rafael
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