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Tohei Takagaki Patents |
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Inventor: Takagaki; Tohei
Address: Misawa, JP
No. of patents: 6
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 6706910 |
Method for producing cyclopropanecarboxylates |
March 16, 2004 |
| There is provided a method for producing a cyclopropanecarboxylate of formula (1): ##STR1## which comprises contacting a cyclopropanecarboxylate of formula (2): ##STR2## with a monohydroxy compound of formula (3):wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 each indepe |
| 5405989 |
Propargyl ester compounds, acaricides containing the same as an active ingredient and an acarici |
April 11, 1995 |
| A propargyl ester compound of the formula (I), ##STR1## wherein R.sup.1 is hydrogen, halogen, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy; Z is C.sub.5 -C.sub.10 alkylene which may be substituted with C.sub.1 -C.sub.4 alkyl; and m is an integer of from 1 to 5; with the prov |
| 5225605 |
Process for producing pyrethrolone and its intermediate compound |
July 6, 1993 |
| Pyrethrolone of the formula [II], ##STR1## is produced by reacting a cyclopentenolone derivative of the formula [I], ##STR2## with zinc in an aqueous alcohol solvent. And the cyclopentenolone derivative of the formula [I] is produced by reacting a propargylcyclopentenolone de |
| 5055491 |
Carboxylic acid esters, methods for producing them and insecticides and/or acaricides containing |
October 8, 1991 |
| This invention relates to novel carboxylic acid esters represented by the formula (I) below, methods for their production and insecticides and/or acaricides containing them as an active ingredient, ##STR1## wherein R.sup.1 represents a hydrogen atom, a fluorine atom or a methyl g |
| 5019595 |
Novel carboxylic acid esters and insecticides containing them as an active ingredient |
May 28, 1991 |
| This invention relates to a novel carboxylic acid esters represented by the formula (I) below and insecticides containing them as an active ingredient, ##STR1## wherein R represents a C.sub.1-5 alkyl group, a C.sub.3-6 cycloalkyl group, a C.sub.3-6 alkenyl group, a C.sub.3-6 alky |
| 4985457 |
Novel carboxylic acid esters, methods for producing them and insecticides and/or acaricides cont |
January 15, 1991 |
| This invention relates to novel carboxylic acid esters represented by the formula (I) below, methods for their production and insecticides and/or acaricides containing them as an active ingredient, ##STR1## wherein R.sup.1 represents a C.sub.1-5 alkyl group, a C.sub.2-4 alkenyl g |
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