Syntheses of (+)-costic acid and structurally related eudesmane sesquiterpenoids and their biological evaluations as acaricidal agents against Varroa destructor [0.03%]
(+)-Costic酸及结构相关的吴茱萸烷倍半萜的合成及其作为Varroa destructor杀螨剂的生物活性评价
Kenji Nemoto,Hirosato Takikawa,Yusuke Ogura
Kenji Nemoto
Synthesis of (+)-costic acid, isolated from Dittrichia viscosa (L.) W. Greuter as a natural acaricidal sesquiterpenoid, was achieved in 16 steps from (R)-carvone with an overall yield of 4.8%, involving the radical cyclization of selenoeste...
Fungicidal spectrum and biological properties of a new fungicide, pyriofenone [0.03%]
新型杀菌剂烯肟菌酮的抑菌谱及生物学特性
Munekazu Ogawa,Akihiro Nishimura,Yuzuka Abe et al.
Munekazu Ogawa et al.
Pyriofenone is a new fungicide developed by Ishihara Sangyo Kaisha, Ltd. To determine the fungicidal spectrum of pyriofenone, in vivo pot tests and in vitro mycelial growth-inhibition tests were conducted. Pyriofenone showed excellent activ...
Visualization of azoxystrobin penetration in wheat leaves using mass microscopy imaging [0.03%]
基于质量显微成像的戊氧菌酯在小麦叶片中渗透行为可视化研究
Soichiro Ikuta,Eiichiro Fukusaki,Shuichi Shimma
Soichiro Ikuta
Fungicides must penetrate the internal tissues of plants to kill pathogenic fungi. Mass spectrometers have been used to confirm this penetration, but conventional mass spectrometric methods cannot distinguish the fungicides in different int...
Production of desmethyl-gregatin A, a possible causative toxin of brown stem rot in adzuki bean, by Phialophora gregata f. sp. adzukicola [0.03%]
Phaseophthora gregata f. sp. adzukicola产生去甲基gregatin A的可能性致病毒素
Moe Aizawa,Hayate Saito,Takuya Mitazaki et al.
Moe Aizawa et al.
To elucidate the cause of brown stem rot in the adzuki bean, we re-evaluated the phytotoxins produced in cultures of the causative agent, Phialophora gregata f. sp. adzukicola. The ethyl acetate-soluble acidic fraction of the culture, as we...
Effectiveness of Cordyceps fumosorosea Wettable Powder Formulation against Metisa plana (Walker) and Its Side Effects on Elaeidobius kamerunicus in Oil palm Plantation [0.03%]
油茶粉剂型冬虫夏草对Metisa计划（步行者）的效果及其对油棕种植园Elaeidobius kamerunicus的副作用的有效性
Ashraf Arif Nasir,Nurul Yaqin Syarif,Dzolkhifli Omar et al.
Ashraf Arif Nasir et al.
Development of mycoinsecticides with Cordyceps fumosorosea as an active ingredient is established as an alternate way to control the Metisa plana population while reducing chemical insecticide dependence. Three mycoinsecticide formulations ...
Cycloprop-2-ene-1-carboxylates: Potential chemical biology tools in the early growth stage of Arabidopsis thaliana [0.03%]
cycloprop-2-ene-1-carboxylates：拟南芥早期生长阶段的潜在化学生物学工具
Tomoyuki Koyama,Ikuo Takahashi,Tadao Asami
Tomoyuki Koyama
Cyclopropene derivatives have been used as extremely reactive units in organic chemistry owing to their high ring-strain energy. They have become popular reagents both for bioorthogonal chemistry and for chemical biology because of their sm...
Metagenomic analysis of ready biodegradability tests to ascertain the relationship between microbiota and the biodegradability of test chemicals [0.03%]
宏基因组分析快速生物降解性测试以确定微生物群与测试化学品生物降解性之间的关系
Yoshinari Takano,Saki Takekoshi,Kotaro Takano et al.
Yoshinari Takano et al.
Ready biodegradability tests conducted in accordance with the Organisation for Economic Co-operation and Development guidelines (test 301C or test 301F) are performed using activated sludge (AS) prepared by the Chemicals Evaluation and Rese...
Novel fungicide quinofumelin shows selectivity for fungal dihydroorotate dehydrogenase over the corresponding human enzyme [0.03%]
新型杀菌剂喹氧菌酯对真菌而不是人类的二氢乳清酸脱氢酶具有选择性
Norikazu Higashimura,Akira Hamada,Shinichi Banba
Norikazu Higashimura
The species selectivity of class 2 dihydroorotate dehydrogenase (DHODH), a target enzyme for quinofumelin, was examined. The Homo sapiens DHODH (HsDHODH) assay system was developed to compare the selectivity of quinofumelin for fungi with t...
Hiroyuki Ito,Takeshi Takada,Munetsugu Morimoto et al.
Hiroyuki Ito et al.
Developed by Mitsui Chemicals Agro, Inc. (Tokyo, Japan), quinofumelin is a novel fungicide with a distinct chemical structure including 3-(isoquinolin-1-yl) quinoline, demonstrating fungicidal activity against a variety of fungi, including ...
Synthesis and herbicidal activity of optically active cinmethylin, its enantiomer, and C3-substituted cinmethylin analogs [0.03%]
cinmethylin光学异构体及其C3位取代类似物的合成与除草活性研究
Narihito Ogawa,Shoya Toyoshima,Shinya Sekikawa et al.
Narihito Ogawa et al.
We investigated the synthesis and herbicidal activity of optically active cinmethylin, its enantiomer, and C3-substituted cinmethylin analogs. Optically active cinmethylin could be obtained in seven steps with the Sharpless asymmetric dihyd...