Shell Oil Comapny

Kurt H Pilgram

Richard D Skiles

Gene A Bozarth

Willy D Kollmeyer

Larry William Peterson

William W John

Thomas P Price

Earl K Jackson

Mae E Martin

A process for the preparation of 2,3-dihydro-1,3,2-benzodiazaphosphole-2-oxides which comprises reacting 2-nitrodiphenylamine with a trialkyl phosphite at elevated temperature.

Preparation of 2,3-dihydro-1,3,2-benzodiazaphosphole-2-oxides

Novel compounds of the formula ##STR1## wherein D is hydrogen, halogen, (halo)alkyl or (halo)alkoxy; R is alkyl or is cycloalkyl optionally 1-substituted by alkyl or halogen and R.sup.1 is the hydrocarbyl residue of a saturated oxygen-heterocyclic alcohol, are useful as herbicides.

Anilide herbicides

Novel compounds of the formula ##STR1## wherein D is hydrogen, halogen, (halo)alkyl or (halo)alkoxy; R is hydrogen, alkyl or alkoxy and R.sup.1 is the hydrocarbyl residue of a saturated oxygen-heterocyclic alcohol, are useful as herbicides.

Phenylurea herbicides

Miticidal 1-(2-alkyl-4-(or 5)-bromo (or (chloro)-2,3-dihydrobenzofuran-7-yl)-4-alkoxy-4-alkylsemicarbazides.

Miticidal

Certain 4-(alkoxycarbonylthioamino)-6-alkyl-3-methylthio-1,2,4-triazin-5(4H)-ones, and their use for controlling the growth of unwanted plants.

Alkoxycarbonylthiamino-substituted triazinones

Certain miticidal 2-(2-alkyl-2,3-dihydro-benzofuran-7-yl)-hydrazinecarboxylic acid esters.

Miticidal 2-(2-methyl-2,3-dihydro-benzofuran-7-yl)hydrazinecarboxylic

Miticidal 2-(2-alkyl-4-(or 5)-bromo (or chloro)-2,3-dihydrobenzofuran-7-yl)-N-alkoxy-N-alkyldiazenecarboxamides.

Certain miticidal (2-alkyl-3,4-dihydro-2H-1-benzopyran-8-yl)diazenecarboxylic acid esters.

Miticidal (2-alkyl-3,4-dihydro-2H-1-benzopyran-8-yl)-diazenecarboxylic

Certain aphicidal 3-(2-alkyl-2,3-dihydrobenzofuran-7-yl)-5-(R,R.sup.1 -amino)-1,3,4-oxadiazol-2(3H)-ones.

Aphicidal 3-(2-alkyl-2,3-dihydrobenzofuran-7-yl)-5-(R,R.sup.1

Certain miticidal (2-substituted-2,3-dihydro-benzofuran-7-yl)diazenecarboxylic acid esters.

(2-Substituted-2,3-dihydrobenzo-furan-7-yl)diazenecarboxylic acid esters

Certain tri-substituted s-triazines, in which one substituent is an acylthioamino moiety, and their use for controlling growth of plants.

Acylthio-substituted triazines

Certain isoxazolotriazinediones, useful for controlling the growth of unwanted plants.

Isoxazolotriazindiones and plant growth inhibiting use thereof

Hexahydrotriazinones substituted by a 5-substituted-1,2-oxazol-3-yl moiety, useful for controlling the growth of unwanted plants.

Plant growth inhibiting oxazolyl-substituted triazinone and oxadiazinone

Thiadiazolidinediones substituted by a 5-substituted-1,2-oxazol-3-yl moiety, useful for controlling the growth of unwanted plants.

Oxazolyl-substituted thiadiazolidinediones

Esters of 2-(2-chlorocarbonyl)-2-(2,3-dihydro-2-alkylbenzofuran-7-yl)hydrazinecarbox ylic acid, useful as pesticides and/or as percursors to pesticides.

Growing community of inventors

Modesto, CA, United States of America

Kurt H Pilgram