JP3692573B2 - Claw mites control agent - Google Patents

Claw mites control agent Download PDF

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JP3692573B2
JP3692573B2 JP27416195A JP27416195A JP3692573B2 JP 3692573 B2 JP3692573 B2 JP 3692573B2 JP 27416195 A JP27416195 A JP 27416195A JP 27416195 A JP27416195 A JP 27416195A JP 3692573 B2 JP3692573 B2 JP 3692573B2
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parts
control agent
general formula
mites
compounds
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JPH08319202A (en
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達哉 森
敬介 渡辺
研一 三木谷
容司 高田
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Sumitomo Chemical Co Ltd
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Sumitomo Chemical Co Ltd
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Description

【0001】
【発明の属する技術分野】
本発明はツメダニ類防除剤に関する。
【従来の技術および発明が解決しようとする課題】
近年、室内に生息するダニ類による被害が注目を集めているが、中でもツメダニ類はしばしば人を刺して虫咬症を引き起こすことから、ツメダニ類の有効な防除剤が望まれていた。
従来より、室内に生息するダニ類を防除するため、ある種の有機リン剤やピレスロイド剤等が使用されているが、これらの薬剤もツメダニ類の防除効力等の点で必ずしも常に充分とは言いがたい。
【0002】
【課題を解決するための手段】
本発明者らは、このような状況下、優れたツメダニ類防除剤を開発すべく鋭意検討した結果、 一般式 化2
【化2】

Figure 0003692573
〔式中、R1 はハロゲン原子(塩素原子、臭素原子等)を表わし、R2 はC1 〜C4 アルキル基(メチル基、エチル基、n−プロピル基、n−ブチル基、イソプロピル基、イソブチル基、sec−ブチル基またはtert−ブチル基)を表わす。〕
で示されるトリフルオロメタンスルホンアニリド化合物が、ツメダニ類に対し極めて優れた防除効果を有すると共に、哺乳動物に対する安全性の点でも優れていることを見出し、本発明を完成した。
すなわち、本発明は一般式 化2で示されるトリフルオロメタンスルホンアニリド化合物を有効成分とするツメダニ類防除剤を提供するものである。
【0003】
【発明の実施の形態】
本発明におけるツメダニ類とは、ツメダニ科に属するダニを意味し、かかるツメダニ類としてはミナミツメダニ、クワガタツメダニ、フトツメダニ、ホソツメダニ、タタミツメダニ、ツヨツメダニ、マメタンツメダニ、アシナガツメダニ等があげられる。
一般式 化2で示されるトリフルオロメタンスルホンアニリド化合物は、ツメダニ類防除において、速効性、残効性や燻煙効果に優れ、しかも、該化合物には哺乳動物に対し問題となるような急性毒性、目刺激性、皮膚刺激性、皮膚感作性等の毒性や問題となるような臭気もなく、本発明の防除剤は室内においても安心して用いることができる。
一般式 化2で示されるトリフルオロメタンスルホンアニリド化合物においてツメダニ類防除効力等の点から、R1 としては塩素原子が好ましく、R2 としてはメチル基が好ましい。
【0004】
一般式 化2で示されるトリフルオロメタンスルホンアニリド化合物は、例えば以下の方法により製造することができる。
一般式 化3
【化3】
Figure 0003692573
〔式中、R1 およびR2 は前記と同じ意味を表わす。〕
で示されるアニリン化合物とトリフルオロメタンスルホン酸無水物またはトリフルオロメタンスルホン酸ハライド(クロライド、フルオライド等)とを塩基の存在下に反応させることにより製造する方法。
本反応は通常溶媒中で行い、使用される溶媒としては、例えば、トルエン、ベンゼン、キシレン等の芳香族炭化水素類、n−ヘキサン、n−ヘプタン、シクロヘキサン等の脂肪族または脂環式炭化水素類、塩化メチレン、クロロホルム、四塩化炭素、1,2−ジクロルエタン、クロルベンゼン等のハロゲン化炭化水素類等、またはそれらの混合溶媒等があげられる。
使用される塩基としては、例えば、ピリジン、トリエチルアミン等の有機塩基類、水酸化ナトリウム、水酸化カリウム等の水酸化アルカリ類、炭酸ナトリウム、炭酸カリウム等の炭酸アルカリ類等があげられる。
反応温度は、通常−20℃から反応に使用する溶媒の沸点の範囲または100℃をとることができる。
反応に供する原料および塩基のモル比は任意に設定できるが、等モルまたはそれに近い比率で反応を行うのが有利である。
反応終了後の反応液は、有機溶媒抽出、濃縮等の通常の後処理を行い、目的の一般式 化2のトリフルオロメタンスルホンアニリド化合物を単離することができる。必要ならば、クロマトグラフィー、再結晶、蒸留等の通常の操作によってさらに精製することもできる。
【0005】
一般式 化3で示されるアニリン化合物は、市販されているものを用いるか、または、例えば、下記製造ルート 化4にしたがって得ることができる。
【化4】
Figure 0003692573
〔式中、R1 およびR2 は前記と同じ意味を表わす。〕
【0006】
本発明の防除剤において、有効成分は他の何らの成分も加えずそのまま使用してもよいが、通常は、固体担体、液体担体、ガス状担体、餌等と混合するか、あるいは多孔セラミックス板や不織布等の基材に含浸し、必要あれば界面活性剤、その他の製剤用補助剤を添加して、油剤、乳剤、水和剤、フロアブル剤、粉剤、エアゾール、燻煙剤、燻霧剤(フォッギング等)、毒餌、防ダニシート等に製剤して使用する。これらの製剤には、有効成分として一般式 化2のトリフルオロメタンスルホンアニリド化合物を重量比で通常0.01〜95%含有する。
製剤化の際に用いられる固体担体としては、たとえば粘土類(カオリンクレー、珪藻土、合成含水酸化珪素、ベントナイト、フバサミクレー、酸性白土等)、タルク類、セラミック、その他の無機鉱物(セリサイト、石英、硫黄、活性炭、炭酸カルシウム、水和シリカ等)等の微粉末あるいは粒状物等があげられ、液体担体としては、例えば水、アルコール類(メタノール、エタノール類)、ケトン類(アセトン、メチルエチルケトン等)、芳香族炭化水素類(ベンゼン、トルエン、キシレン、エチルベンゼン、メチルナフタレン等)、脂肪族炭化水素類(ヘキサン、シクロヘキサン、灯油、軽油等)、エステル類(酢酸エチル、酢酸ブチル等)、ニトリル類(アセトニトリル、イソブチロニトリル等)、エーテル類(ジイソプロピルエーテル、ジオキサン等)、酸アミド類(N,N−ジメチルホルムアミド、N,N−ジメチルアセトアミド等)、ハロゲン化炭化水素類(ジクロロメタン、トリクロロエタン、四塩化炭素等)、ジメチルスルホキシド、大豆油、綿実油等の植物油等があげられ、ガス状担体、すなわち噴霧剤としては、たとえばフロンガス、ブタンガス、LPG(液化石油ガス)、ジメチルエーテル、炭酸ガス等があげられる。
界面活性剤としては、たとえばアルキル硫酸エステル塩、アルキルスルホン酸塩、アルキルアリールスルホン酸塩、アルキルアリールエーテル類およびそのポリオキシエチレン化物、ポリエチレングリコールエーテル類、多価アルコールエステル類、糖アルコール誘導体等があげられる。
固着剤や分散剤等の製剤用補助剤としては、たとえばカゼイン、ゼラチン、多糖類(でんぷん粉、アラビアガム、セルロース誘導体、アルギン酸等)、リグニン誘導体、ベントナイト、糖類、合成水溶性高分子(ポリビニルアルコール、ポリビニルピロリドン、ポリアクリル酸類等)等があげられ、安定剤としては、たとえばPAP(酸性リン酸イソプロピル)、BHT(2,6−ジ−tert−ブチル−4−メチルフェノール)、BHA(2−tert−ブチル−4−メトキシフェノールと3−tert−ブチル−4−メトキシフェノールとの混合物)、植物油、鉱物油、界面活性剤、脂肪酸またはそのエステル等があげられる。
毒餌の基材としては、たとえば穀物粉、植物油、糖、結晶セルロース等の餌成分、ジブチルヒドロキシトルエン、ノルジヒドログアイアレチン酸等の酸化防止剤、デヒドロ酢酸等の保存料、トウガラシ末等の誤植防止剤、チーズ香料、タマネギ香料等の誘引性香料等があげられる。
【0007】
このようにして得られる製剤は、そのままであるいは水等で希釈して用いる。また、他の殺ダニ剤、殺虫剤、殺虫殺ダニ剤、殺微生物剤、共力剤、動物用飼料等と混合して、または混合せずに同時に用いることもできる。このような他の殺ダニ剤、殺虫剤または殺虫殺ダニ剤としては、サリチル酸フェニル、d−フェノスリン、テトラメスリン、d−アレスリン、パーメスリン、レスメスリン、フタルスリン、エムペンスリン、プラレスリン、フェニトロチオン、ジクロルボス、メトキサジアゾン、フィプロニル、安息香酸べンジル、イソボルニルチオシアノアセテート、パラオキシ安息香酸エステル、ヨウ素化ホルマール、フェノール類、フタル酸エステル、3−ブロモ−2,3−ヨード−2−プロペニル−エチルカーボネート、モノテルペン系エポキサイド類、等があげられる。
【0008】
本発明の防除剤の使用において、乳剤、水和剤、フロアブル剤等は、通常、水にて有効成分量で0.1ppm 〜500ppm に希釈して施用し、油剤、粒剤、粉剤、燻蒸剤、燻煙剤、エアゾール、燻霧剤、毒餌、防ダニシート等についてはそのまま施用する。その際の施用量は、有効成分量として、処理すべき面積1m2 当たり通常10〜1000mg、または、適用空間1m3 当たり通常1〜1000mgである。
これらの施用量、施用濃度は、いずれも製剤の種類、施用時期、施用場所、施用方法、被害程度等の状況によって異なり、上記の範囲にかかわることなく増加させたり、減少させたりすることができる。
本発明の防除剤は、通常、畳、カーペット、マットレス、ソファー、布団、枕等の寝具、押入、倉庫等に、散布、噴霧、塗布、煙霧、加熱蒸散、設置等の方法により処理して用いる。
【0009】
【実施例】
以下、本発明を製剤例や試験例等により、さらに詳しく説明するが、本発明はこれらの例に限定されるものではない。
まず、一般式 化2のトリフルオロメタンスルホンアニリド化合物の製造例を示す。
参考製造例 〔化合物(1)の製造〕
5−クロロ−2−アミノ安息香酸メチル3.8g、トリエチルアミン2.1gおよび乾燥クロロホルム50mlの混合物中へ、トリフルオロメタンスルホン酸無水物5.8gを氷冷下攪拌しつつ滴下した。滴下終了後、室温にてさらに3時間攪拌した後、反応液を氷水に注加し、クロロホルム層を分取した。水層をクロロホルムで1回抽出し、先のクロロホルム層と合せ、水および飽和食塩水で順次洗浄した後、無水硫酸マグネシウムで乾燥し、溶媒を減圧下に留去した。得られた残渣をシリカゲルクロマトグラフィーに付し、2−メトキシカルボニル−4−クロロ−トリフルオロメタンスルホンアニリド〔別名1,1,1−トリフルオロ−N−{4−クロロ−2−(メトキシカルボニル)フェニル}メタンスルホンアミド〕4.8gを得た。
収率 75%
mp 80.7℃
【0010】
次に、一般式 化2のトリフルオロメタンスルホンアニリド化合物のいくつかを化合物番号および物性値と共に表1に示す。(一般式 化2で示される化合物の置換基の定義で示す。)
【表1】
Figure 0003692573
【0011】
次に製剤例を示す。なお、部は重量部を表わし、一般式 化2のトリフルオロメタンスルホンアニリド化合物は表1に記載の番号で表わす。
製剤例1 乳剤
化合物(1)〜(9)の各々10部を、キシレン35部およびジメチルホルムアミド35部に溶解し、これにポリオキエチレンスチリルフェニルエーテル14部およびドデシルベンゼンスルホン酸カルシウム6部を加え、よく攪拌混合して各々の10%乳剤を得る。
製剤例2 水和剤
化合物(1)〜(9)の各々20部を、ラウリル硫酸ナトリウム4部、リグニンスルホン酸カルシウム2部、合成含水酸化珪素微粉末20部及び珪素土54部を混合した中に加え、ジュースミキサーで攪拌混合して各々の20%水和剤を得る。
製剤例3 粉剤
化合物(1)〜(9)の各々1部を適当量のアセトンに溶解し、これに合成含水酸化珪素微粉末5部、PAP0.3部およびクレー93.7部を加え、ジュースミキサーで攪拌混合し、アセトンを蒸発除去して各々の1%粉剤を得る。
製剤例4 フロアブル剤
化合物(1)〜(9)の各々20部とソルビタントリオレエート1.5部とを、ポリビニルアルコール2部を含む水溶液28.5部と混合し、必要に応じサンドグラインダーで微粉化(粒径3μ以下)した後、この中に、キサンタンガム0.05部およびアルミニウムマグネシウムシリケート0.1部を含む水溶液40部を加え、さらにプロピレングリコール10部を加えて攪拌混合して各々の20%水中懸濁剤を得る。
製剤例5 油剤
化合物(1)〜(9)の各々0.1部をキシレン5部およびトリクロロエタン5部に溶解し、これを脱臭灯油89.9部に混合して各々の0.1%油剤を得る。
【0012】
製剤例6 油性エアゾール
化合物(1)〜(9)の各々0.1部、d−フェノスリン0.1部、トリクロロエタン10部および脱臭灯油59.8部を混合溶解し、エアゾール容器に充填し、バルブ部分を取り付けた後、該バルブ部分を通じて噴射剤(液化石油ガス)30部を加圧充填して各々の油性エアゾールを得る。
製剤例7 油性エアゾール
化合物(1)〜(9)の各々0.1部、テトラメスリン0.2部、d−フェノスリン0.1部、トリクロロエタン10部および脱臭灯油59.6部を混合溶解し、エアゾール容器に充填し、バルブ部分を取り付けた後、該バルブ部分を通じて噴射剤(液化石油ガス)30部を加圧充填して各々の油性エアゾールを得る。
製剤例8 油性エアゾール
化合物(1)〜(9)の各々1部、ケロシン7部および脱臭灯油32部を混合溶解し、エアゾール容器に充填し、バルブ部分を取り付けた後、該バルブ部分を通じて噴射剤(液化石油ガス)60部を加圧充填して各々の油性エアゾールを得る。
製剤例9 水性エアゾール
化合物(1)〜(9)の各々0.2部、d−フェノスリン0.2部、キシレン5部、脱臭灯油3.6部および乳化剤{アトモス300(アトラスケミカル社登録商標名)}1部を混合溶解したものと、純水50部とをエアゾール容器に充填し、バルブ部分を取り付け、該バルブ部分を通じて噴射剤(液化石油ガス)40部を加圧充填して各々の水性エアゾールを得る。
製剤例10 水性エアゾール
化合物(1)〜(9)の各々0.2部、d−アレスリン0.2部、d−フェノスリン0.2部、キシレン5部、脱臭灯油3.4部および乳化剤{アトモス300(アトラスケミカル社登録商標名)}1部を混合溶解したものと、純水50部とをエアゾール容器に充填し、バルブ部分を取り付け、該バルブ部分を通じて噴射剤(液化石油ガス)40部を加圧充填して各々の水性エアゾールを得る。
製剤例11 加熱燻煙剤
化合物(1)〜(9)の各々100mgを適量のアセトンに溶解し、4.0cm×4.0cm、厚さ1.2cmの多孔セラミック板に含浸させて各々の加熱燻煙剤を得る。
製剤例12 加熱燻煙剤
化合物(1)〜(9)の各々50mgおよびサリチル酸フェニル50mgを適量のアセトンに溶解し、4.0cm×4.0cm、厚さ1.2cmの多孔セラミック板に含浸させて各々の加熱燻煙剤を得る。
製剤例13 毒餌
化合物(1)〜(9)の各々10mgをアセトン0.5mlに溶解し、この溶液を、動物用固型飼料粉末(飼育繁殖用固型飼料粉末CE−2、日本クレア株式会社商品名)5gに処理し、均一に混合する。ついでアセトンを風乾し、各々の0.2%毒餌を得る。
製剤例14 防ダニシート
化合物(1)〜(9)の各々をアセトンで希釈し、不織布に1m2 当り有効成分量で1gとなるように滴下含浸し、アセトンを風乾して各々の防ダニシートを得る。
製剤例15 防ダニシート
化合物(1)〜(9)の各々をアセトンで希釈し、ろ紙に1m2 当り有効成分量で1gとなるように滴下含浸し、アセトンを風乾して各々の防ダニシートを得る。
【0013】
次に、一般式 化2のトリフルオロメタンスルホンアニリド化合物がツメダニ類等の防除剤の有効成分として有用であることを試験例により示す。なお、一般式 化2のトリフルオロメタンスルホンアニリド化合物は表1の化合物番号で示し、比較対照に用いた化合物は表2の化合物記号で示す。
【表2】
Figure 0003692573
(表2の続き)
Figure 0003692573
【0014】
試験例1
直径4cmのろ紙に供試化合物のアセトン溶液を有効成分量で0.08g/m2 となるように均一に処理し、風乾した。ろ紙表面にミナミツメダニを約20頭放飼し、7日後に死虫率を観察した。なお、ろ紙の縁にはダニの逃亡を防止するために、粘着物質を塗布した。
結果を表3に示す。
【表3】
Figure 0003692573
(表3の続き)
Figure 0003692573
【0015】
試験例2
直径4cmのろ紙をアルミ皿上におき、ろ紙の縁にダニの逃亡を防止するための粘着物質を塗布した後、ミナミツメダニを約20頭、ろ紙上に放飼した。これを3つ準備し、それをピートグラディチャンバー(1.8m×1.8m×1.8m)内の床面の3隅(ピートグラディチャンバーの壁面から約30cmの所)に各々設置した。ピートグラディチャンバー床面中央においた電熱器により、175℃の温度で薬剤のアセトン溶液を含浸させた4cm×4cm×1.2cmの多孔セラミック板(薬量は55mg/m3 となるようにした)を2時間(スイッチを入れてからの時間)加熱した。
7日後に死虫率を観察した。結果を表4に示す。
【表4】
Figure 0003692573
【0016】
試験例3
直径4cmのろ紙に供試化合物のアセトン溶液を有効成分量で0.08g/m2 になるように均一に処理し、風乾した。ろ紙表面にケナガコナダニ(コナダニ類の1種)またはコナヒョウダニ(ヒョウヒダニ類の1種)を約20頭放飼し、1日後に死虫率を観察した。なおろ紙の縁にはダニの逃亡を防止するために粘着物質を塗布した。
コナヒョウダニに対する結果を表5に、ケナガコナダニに対する結果を表6に各々示す。
【表5】
Figure 0003692573
【表6】
Figure 0003692573
【0017】
試験例4
直径4cmのろ紙に供試化合物のアセトン溶液を有効成分量で0.08g/m2 になるように均一に処理し、これを200mlのバイアル瓶のふたの内側に設置した。バイアル瓶の中にネコノミを約20頭放した後、前述のふたをとりつけ、ろ紙にノミが接触するように瓶を逆さまの状態にて放置した。24時間後に死虫率を観察した。結果を表7に示す。
【表7】
Figure 0003692573
【0018】
【発明の効果】
一般式 化2のトリフルオロメタンスルホンアニリド化合物はツメダニ類に対して優れた殺ダニ効力を有する。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a claw mite control agent.
[Background Art and Problems to be Solved by the Invention]
In recent years, the damage caused by mites living in the room has attracted attention. Among them, claw mites often bite people and cause insect bites, and therefore, an effective control agent for mites has been desired.
Conventionally, some organic phosphorus agents and pyrethroids have been used to control ticks that inhabit indoors, but these agents are not always sufficient in terms of the control efficacy of claw mites. It ’s hard.
[0002]
[Means for Solving the Problems]
Under these circumstances, the present inventors have intensively studied to develop an excellent claw mite control agent.
[Chemical formula 2]
Figure 0003692573
[Wherein R 1 represents a halogen atom (chlorine atom, bromine atom, etc.), R 2 represents a C 1 -C 4 alkyl group (methyl group, ethyl group, n-propyl group, n-butyl group, isopropyl group, An isobutyl group, a sec-butyl group or a tert-butyl group). ]
The trifluoromethanesulfonanilide compound represented by the above has been found to have an extremely excellent control effect against claw mites, and is also excellent in terms of safety to mammals, thereby completing the present invention.
That is, the present invention provides a tick mite control agent comprising a trifluoromethanesulfonanilide compound represented by the general formula 2 as an active ingredient.
[0003]
DETAILED DESCRIPTION OF THE INVENTION
The claw mites in the present invention mean ticks belonging to the family Acaridaceae, and examples of the claw mites include southern ticks, staghorn ticks, puffer ticks, horned ticks, winged ticks, tsutsudani ticks, mamethane ticks, winged ticks, and the like.
The trifluoromethanesulfonanilide compound represented by the general formula 2 is excellent in quick action, residual effect and smoke effect in controlling mites, and the compound has an acute toxicity that causes problems for mammals, There are no toxicities such as eye irritation, skin irritation, and skin sensitization and odors that cause problems, and the control agent of the present invention can be used safely in the room.
In the trifluoromethanesulfonanilide compound represented by the general formula 2, R 1 is preferably a chlorine atom, and R 2 is preferably a methyl group from the viewpoint of the efficacy of controlling tick mites.
[0004]
The trifluoromethanesulfonanilide compound represented by the general formula 2 can be produced, for example, by the following method.
General formula 3
[Chemical 3]
Figure 0003692573
[Wherein R 1 and R 2 represent the same meaning as described above. ]
And a trifluoromethanesulfonic acid anhydride or trifluoromethanesulfonic acid halide (such as chloride or fluoride) in the presence of a base.
This reaction is usually carried out in a solvent. Examples of the solvent used include aromatic hydrocarbons such as toluene, benzene and xylene, aliphatic or alicyclic hydrocarbons such as n-hexane, n-heptane and cyclohexane. , Halogenated hydrocarbons such as methylene chloride, chloroform, carbon tetrachloride, 1,2-dichloroethane, chlorobenzene, etc., or mixed solvents thereof.
Examples of the base used include organic bases such as pyridine and triethylamine, alkali hydroxides such as sodium hydroxide and potassium hydroxide, alkali carbonates such as sodium carbonate and potassium carbonate, and the like.
The reaction temperature can usually be in the range of -20 ° C to the boiling point of the solvent used in the reaction or 100 ° C.
Although the molar ratio of the raw material and base used for the reaction can be arbitrarily set, it is advantageous to carry out the reaction at an equimolar ratio or a ratio close thereto.
The reaction solution after completion of the reaction is subjected to usual post-treatments such as organic solvent extraction and concentration, and the desired trifluoromethanesulfonanilide compound of the general formula 2 can be isolated. If necessary, it can be further purified by usual operations such as chromatography, recrystallization, distillation and the like.
[0005]
A commercially available aniline compound represented by the general formula 3 can be used, or can be obtained, for example, according to the following production route:
[Formula 4]
Figure 0003692573
[Wherein R 1 and R 2 represent the same meaning as described above. ]
[0006]
In the control agent of the present invention, the active ingredient may be used as it is without adding any other components, but it is usually mixed with a solid carrier, liquid carrier, gaseous carrier, bait, etc., or a porous ceramic plate. Impregnate base materials such as woven fabrics and non-woven fabrics, and if necessary, add surfactants and other formulation adjuvants, oils, emulsions, wettable powders, flowables, powders, aerosols, smoke agents, fogging agents (Fogging, etc.), poison baits, anti-tick sheets, etc. These preparations usually contain 0.01 to 95% by weight of a trifluoromethanesulfonanilide compound of the general formula 2 as an active ingredient.
Examples of solid carriers used for formulation include clays (kaolin clay, diatomaceous earth, synthetic hydrous silicon oxide, bentonite, fusami clay, acidic clay), talc, ceramics, and other inorganic minerals (sericite, quartz, Sulfur, activated carbon, calcium carbonate, hydrated silica, etc.) and the like, and liquid carriers include, for example, water, alcohols (methanol, ethanol), ketones (acetone, methyl ethyl ketone, etc.), Aromatic hydrocarbons (benzene, toluene, xylene, ethylbenzene, methylnaphthalene, etc.), aliphatic hydrocarbons (hexane, cyclohexane, kerosene, light oil, etc.), esters (ethyl acetate, butyl acetate, etc.), nitriles (acetonitrile) , Isobutyronitrile, etc.), ethers (diisopropyl ether) , Dioxane, etc.), acid amides (N, N-dimethylformamide, N, N-dimethylacetamide, etc.), halogenated hydrocarbons (dichloromethane, trichloroethane, carbon tetrachloride, etc.), dimethyl sulfoxide, soybean oil, cottonseed oil, etc. Examples of the gaseous carrier, that is, the propellant include, for example, chlorofluorocarbon gas, butane gas, LPG (liquefied petroleum gas), dimethyl ether, carbon dioxide gas and the like.
Surfactants include, for example, alkyl sulfate esters, alkyl sulfonates, alkyl aryl sulfonates, alkyl aryl ethers and their polyoxyethylenates, polyethylene glycol ethers, polyhydric alcohol esters, sugar alcohol derivatives, and the like. can give.
For example, casein, gelatin, polysaccharides (starch powder, gum arabic, cellulose derivatives, alginic acid, etc.), lignin derivatives, bentonite, saccharides, synthetic water-soluble polymers (polyvinyl alcohol) , Polyvinyl pyrrolidone, polyacrylic acid, etc.), and examples of the stabilizer include PAP (isopropyl acid phosphate), BHT (2,6-di-tert-butyl-4-methylphenol), BHA (2- tert-butyl-4-methoxyphenol and 3-tert-butyl-4-methoxyphenol), vegetable oils, mineral oils, surfactants, fatty acids or esters thereof.
Examples of poison bait base materials include grains, vegetable oils, sugars, crystalline cellulose, and other food ingredients, antioxidants such as dibutylhydroxytoluene and nordihydroguaiaretic acid, preservatives such as dehydroacetic acid, and misprints such as pepper powder. Examples include attractive fragrances such as inhibitors, cheese fragrances, and onion fragrances.
[0007]
The preparation thus obtained is used as it is or diluted with water or the like. It can also be used simultaneously with or without mixing with other acaricides, insecticides, insecticides, acaricides, synergists, animal feeds and the like. Such other acaricides, insecticides or insecticide acaricides include phenyl salicylate, d-phenothrin, tetramethrin, d-arethrin, permethrin, resmesulin, phthalthrin, empensulin, prareslin, fenitrothion, dichlorvos, methoxadiazone, fipronil, Benzyl benzoate, isobornyl thiocyanoacetate, paraoxybenzoate, iodinated formal, phenols, phthalates, 3-bromo-2,3-iodo-2-propenyl-ethyl carbonate, monoterpene epoxides , Etc.
[0008]
In the use of the control agent of the present invention, emulsions, wettable powders, flowables and the like are usually applied by diluting with water to an effective ingredient amount of 0.1 ppm to 500 ppm, and then oils, granules, powders, fumigants. Smokers, aerosols, sprays, poison baits, anti-tick sheets, etc. are applied as they are. The application amount at that time is usually 10 to 1000 mg per 1 m 2 of area to be treated, or usually 1 to 1000 mg per 1 m 3 of application space as the amount of active ingredient.
These application rates and application concentrations vary depending on the type of preparation, application time, application location, application method, degree of damage, etc., and can be increased or decreased regardless of the above range. .
The control agent of the present invention is usually used after being applied to bedding such as tatami mats, carpets, mattresses, sofas, futons, pillows, intrusions, warehouses, etc. by methods such as spraying, spraying, coating, fumes, heat transpiration, installation, etc. .
[0009]
【Example】
Hereinafter, the present invention will be described in more detail with reference to formulation examples and test examples, but the present invention is not limited to these examples.
First, production examples of the trifluoromethanesulfonanilide compound represented by the general formula 2 are shown.
Reference Production Example [Production of Compound (1)]
To a mixture of 3.8 g of methyl 5-chloro-2-aminobenzoate, 2.1 g of triethylamine and 50 ml of dry chloroform, 5.8 g of trifluoromethanesulfonic anhydride was added dropwise with stirring under ice cooling. After completion of the dropwise addition, the mixture was further stirred at room temperature for 3 hours, and then the reaction solution was poured into ice water to separate a chloroform layer. The aqueous layer was extracted once with chloroform, combined with the previous chloroform layer, washed successively with water and saturated brine, and dried over anhydrous magnesium sulfate, and the solvent was evaporated under reduced pressure. The obtained residue was subjected to silica gel chromatography, and 2-methoxycarbonyl-4-chloro-trifluoromethanesulfonanilide [also known as 1,1,1-trifluoro-N- {4-chloro-2- (methoxycarbonyl) phenyl]. } Methanesulfonamide] was obtained.
Yield 75%
mp 80.7 ℃
[0010]
Next, some of the trifluoromethanesulfonanilide compounds of the general formula 2 are shown in Table 1 together with compound numbers and physical property values. (Indicated by the definition of the substituent of the compound represented by the general formula 2)
[Table 1]
Figure 0003692573
[0011]
Next, formulation examples are shown. “Part” represents “part by weight”, and the trifluoromethanesulfonanilide compound represented by the general formula 2 is represented by the numbers shown in Table 1.
Formulation Example 1 10 parts of each of emulsion compounds (1) to (9) are dissolved in 35 parts of xylene and 35 parts of dimethylformamide, and 14 parts of polyoxystyrylphenyl ether and 6 parts of calcium dodecylbenzenesulfonate are added thereto. Stir and mix well to obtain each 10% emulsion.
Formulation Example 2 In a mixture of 20 parts of each of the wettable powder compounds (1) to (9), 4 parts of sodium lauryl sulfate, 2 parts of calcium lignin sulfonate, 20 parts of synthetic silicon hydroxide-containing fine powder and 54 parts of silicon earth In addition, a 20% wettable powder is obtained by stirring and mixing with a juice mixer.
Formulation Example 3 Dissolve 1 part of each of dusting compounds (1) to (9) in an appropriate amount of acetone, add 5 parts of synthetic silicon hydroxide fine powder, 0.3 part of PAP and 93.7 parts of clay, and use a juice mixer. Stir and mix and evaporate off the acetone to obtain each 1% powder.
Formulation Example 4 20 parts of each of the flowable compounds (1) to (9) and 1.5 parts of sorbitan trioleate are mixed with 28.5 parts of an aqueous solution containing 2 parts of polyvinyl alcohol and, if necessary, micronized with a sand grinder ( Then, 40 parts of an aqueous solution containing 0.05 part of xanthan gum and 0.1 part of aluminum magnesium silicate is added thereto, and 10 parts of propylene glycol is further added thereto, followed by stirring and mixing, each suspended in 20% water. Get the agent.
Formulation Example 5 0.1 part of each of oil agent compounds (1) to (9) is dissolved in 5 parts of xylene and 5 parts of trichloroethane, and this is mixed with 89.9 parts of deodorized kerosene to obtain each 0.1% oil agent.
[0012]
Formulation Example 6 0.1 part of oily aerosol compounds (1) to (9), 0.1 part of d-phenosulin, 10 parts of trichloroethane and 59.8 parts of deodorized kerosene are mixed and dissolved, filled into an aerosol container, and the valve part After mounting, 30 parts of propellant (liquefied petroleum gas) is pressurized and filled through the valve portion to obtain each oily aerosol.
Formulation Example 7 0.1 part of oily aerosol compounds (1) to (9), 0.2 part of tetramethrin, 0.1 part of d-phenosrine, 10 parts of trichloroethane and 59.6 parts of deodorized kerosene are mixed and dissolved in an aerosol container. After filling and attaching the valve part, 30 parts of propellant (liquefied petroleum gas) is pressurized and filled through the valve part to obtain each oily aerosol.
Formulation Example 8 1 part of each of oily aerosol compounds (1) to (9), 7 parts of kerosene and 32 parts of deodorized kerosene are mixed and dissolved, filled into an aerosol container, and after attaching a valve part, a propellant is passed through the valve part. 60 parts of (liquefied petroleum gas) are pressure-filled to obtain each oily aerosol.
Formulation Example 9 0.2 parts of aqueous aerosol compounds (1) to (9), 0.2 part of d-phenosulin, 5 parts of xylene, 3.6 parts of deodorized kerosene and an emulsifier {ATMOS 300 (registered trademark of Atlas Chemical Co., Ltd.) )} One part mixed and dissolved and 50 parts pure water are filled into an aerosol container, a valve part is attached, and 40 parts of propellant (liquefied petroleum gas) is pressurized and filled through the valve part. Get an aerosol.
Formulation Example 10 0.2 part of each of the aqueous aerosol compounds (1) to (9), 0.2 part of d-aresulin, 0.2 part of d-phenosulin, 5 parts of xylene, 3.4 parts of deodorized kerosene and an emulsifier {Atmos 300 (registered trademark of Atlas Chemical Co., Ltd.)} 1 part mixed and dissolved and 50 parts pure water are filled in an aerosol container, a valve part is attached, and 40 parts of propellant (liquefied petroleum gas) is added through the valve part. Pressurize to obtain each aqueous aerosol.
Formulation Example 11 100 mg of each of the heated smoke agent compounds (1) to (9) are dissolved in an appropriate amount of acetone, impregnated into a porous ceramic plate of 4.0 cm × 4.0 cm, and a thickness of 1.2 cm. Get a smoke agent.
Formulation Example 12 50 mg of each of the heated smokers compounds (1) to (9) and 50 mg of phenyl salicylate are dissolved in an appropriate amount of acetone and impregnated into a porous ceramic plate of 4.0 cm × 4.0 cm and a thickness of 1.2 cm. To obtain each heating smoke.
Formulation Example 13 10 mg of each of the bait compounds (1) to (9) was dissolved in 0.5 ml of acetone, and this solution was dissolved in solid feed powder for animals (solid feed powder for breeding breeding CE-2, Nippon Claire Co., Ltd.). Product name) Process to 5g and mix evenly. The acetone is then air-dried to obtain a 0.2% poisonous bait for each.
Formulation Example 14 Each of the anti-tick sheet compounds (1) to (9) is diluted with acetone, dripped and impregnated into a non-woven fabric so that the amount of the active ingredient is 1 g per 1 m 2 , and acetone is air-dried to obtain each anti-tick sheet. .
Formulation Example 15 Each of the anti-tick sheet compounds (1) to (9) is diluted with acetone, added dropwise to filter paper so that the amount of active ingredient is 1 g per 1 m 2 , and acetone is air-dried to obtain each anti-tick sheet. .
[0013]
Next, it is shown by test examples that the trifluoromethanesulfonanilide compound represented by the general formula 2 is useful as an active ingredient of a control agent such as acarid mites. The trifluoromethanesulfonanilide compound of general formula 2 is indicated by the compound number in Table 1, and the compound used for comparison is indicated by the compound symbol in Table 2.
[Table 2]
Figure 0003692573
(Continued from Table 2)
Figure 0003692573
[0014]
Test example 1
An acetone solution of the test compound was uniformly treated on a filter paper having a diameter of 4 cm so that the amount of the active ingredient was 0.08 g / m 2 and air-dried. About 20 southern ticks were released on the surface of the filter paper, and the death rate was observed after 7 days. In addition, an adhesive substance was applied to the edge of the filter paper in order to prevent the escape of ticks.
The results are shown in Table 3.
[Table 3]
Figure 0003692573
(Continued from Table 3)
Figure 0003692573
[0015]
Test example 2
A filter paper having a diameter of 4 cm was placed on an aluminum dish, and an adhesive substance for preventing the escape of ticks was applied to the edge of the filter paper, and then about 20 southern ticks were released on the filter paper. Three of these were prepared and installed at three corners (about 30 cm from the wall of the Pete Grady Chamber) on the floor in the Pete Grady Chamber (1.8 m × 1.8 m × 1.8 m). 4cm x 4cm x 1.2cm porous ceramic plate impregnated with acetone solution of drug at a temperature of 175 ° C by an electric heater in the center of the Pete Grady chamber floor (drug amount was set to 55 mg / m 3 ) Was heated for 2 hours (time after switching on).
After 7 days, the death rate was observed. The results are shown in Table 4.
[Table 4]
Figure 0003692573
[0016]
Test example 3
A 4 cm diameter filter paper was uniformly treated with an acetone solution of the test compound so that the amount of the active ingredient was 0.08 g / m 2 and air-dried. About 20 stag beetles (one kind of acarid mites) or white mites (one kind of leopard mites) were released on the surface of the filter paper, and the death rate was observed one day later. An adhesive substance was applied to the edge of the filter paper to prevent mites from escaping.
Table 5 shows the results for Aspergillus mite, and Table 6 shows the results for Asahi mite.
[Table 5]
Figure 0003692573
[Table 6]
Figure 0003692573
[0017]
Test example 4
An acetone solution of the test compound was uniformly treated on a filter paper having a diameter of 4 cm so that the active ingredient amount was 0.08 g / m 2 , and this was placed inside the lid of a 200 ml vial. After releasing about 20 cat fleas into the vial, the lid was attached and the bottle was left upside down so that the fleas contacted the filter paper. The death rate was observed after 24 hours. The results are shown in Table 7.
[Table 7]
Figure 0003692573
[0018]
【The invention's effect】
The trifluoromethanesulfonanilide compound of the general formula 2 has an excellent acaricidal activity against claw mites.

Claims (4)

一般式 化1
Figure 0003692573
〔式中、R1はハロゲン原子を表わし、R2はC1〜C4アルキル基を表わす。〕
で示されるトリフルオロメタンスルホンアニリド化合物を有効成分として含有することを特徴とするツメダニ類防除剤。
General formula
Figure 0003692573
[Wherein R 1 represents a halogen atom, and R 2 represents a C 1 to C 4 alkyl group. ]
A tick mite control agent comprising a trifluoromethanesulfonanilide compound represented by the formula:
1 が塩素原子である請求項1記載のツメダニ類防除剤。The claw mite control agent according to claim 1, wherein R 1 is a chlorine atom. 1 が塩素原子であり、R2 がメチル基である請求項1記載のツメダニ類防除剤。The tick mite control agent according to claim 1, wherein R 1 is a chlorine atom and R 2 is a methyl group. 請求項1記載の一般式 化1で示されるトリフルオロメタンスルホンアニリド化合物を有効成分として含有することを特徴とするツメダニ類防除のためのシート。 A sheet for controlling tick mites characterized by containing a trifluoromethanesulfonanilide compound represented by the general formula (1) according to claim 1 as an active ingredient.
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