... THE RATE OF (35)S EPTC DEGRADATION IN GERMINATING SEEDS /WAS REPORTED/. DATA ... SHOW A GREATER DEGRADATION ... IN SEEDS OF THOSE SPECIES WHICH ARE RESISTANT TO THIS HERBICIDE THAN IN SUSCEPTIBLE SPECIES. THE RADIOSULFUR ... WAS INCORPORATED INTO CYSTEIC ACID, CYSTINE, METHIONINE, METHIONINE SULFONE & 2 UNIDENTIFIED COMPD.
COMPLETE OXIDATION OF THE ETHYL MOIETY OF THE EPTC MOLECULE TO CO2 BY RATS WAS REPORTED ... . INCREASING THE DOSE OF EPTC ... LED TO A DECR IN (14)CO2 OUTPUT ... . SIX MAJOR LABELED METABOLITES WERE FOUND ... AND THE RELATIVE AMOUNT OF 3 METABOLITES CHANGED WITH DOSE. ONE OF THE MAJOR METABOLITES WAS ... UREA, & 3 OTHERS, WHICH ACCOUNTED FOR 50-70% OF THE TOTAL RADIOACTIVITY IN THE URINE, WERE CONJUGATES OF EPTC OR EPTC-LIKE CMPD.
THIOCARBAMATE HERBICIDES ALSO REACT WITH GLUTATHIONE AFTER OXIDATIVE ACTIVATION. EG, EPTAM & ITS S-OXIDE LOWER HEPATIC GLUTATHIONE WHEN GIVEN TO MICE AND ARE EXCRETED AS A MERCAPTURIC ACID FROM RATS.
THE MAIN SOL METABOLITE WAS CARBAMOYLATED GLUTATHIONE. EPTC-SULFONE REACTED WITH GSH. EPTC WAS PARTIALLY OXIDIZED TO EPTC-SULFOXIDE IN IN VITRO ASSAYS USING 5 DAY OLD SEEDLINGS.
As a general rule, thiocarbamates can be absorbed via the skin, mucous membranes, and the respiratory and gastrointestinal tracts. They are eliminated quite rapidly, mainly via expired air and urine. Two major pathways exist for the metabolism of thiocarbamates in mammals. One is via sulfoxidation and conjugation with glutathione. The conjugation product is then cleaved to a cysteine derivative, which is metabolized to a mercapturic acid compound. The second route is oxidation of the sulfur to a sulfoxide, which is then oxidized to a sulfone, or hydroxylation to compounds that enter the carbon metabolic pool.
Some thiocarbamates (EPTC, Molinate, Pebulate, and Cycloate) share a common mechanism of toxicity, i.e. the inhibition of acetylcholinesterase. An acetylcholinesterase inhibitor suppresses the action of acetylcholine esterase. Because of its essential function, chemicals that interfere with the action of acetylcholine esterase are potent neurotoxins, causing excessive salivation and eye-watering in low doses. Headache, salivation, nausea, vomiting, abdominal pain and diarrhea are often prominent at higher levels of exposure. Acetylcholine esterase breaks down the neurotransmitter acetylcholine, which is released at nerve and muscle junctions, in order to allow the muscle or organ to relax. The result of acetylcholine esterase inhibition is that acetylcholine builds up and continues to act so that any nerve impulses are continually transmitted and muscle contractions do not stop.
来源:Toxin and Toxin Target Database (T3DB)
毒理性
致癌性证据
癌症分类:不太可能对人类致癌
Cancer Classification: Not Likely to be Carcinogenic to Humans
来源:Hazardous Substances Data Bank (HSDB)
毒理性
致癌物分类
对人类无致癌性(未列入国际癌症研究机构IARC清单)。
No indication of carcinogenicity to humans (not listed by IARC).
Data concerning the effects of thiocarbamates on man are scarce. However, cases of irritation and sensitization have been observed among agricultural workers. Some thiocarbamates, e.g., molinate, have an effect on sperm morphology and, consequently, on reproduction. However, no teratogenic effects have been observed. EPTC was not mutagenic when tested in a series of assays with microbial and human cell culture lines. The results of mutagenicity studies have shown that thiocarbamates containing dichloroallyl groups are highly mutagenic. Some thiocarbamates are acetylcholine esterase inhibitors. Acute exposure to cholinesterase inhibitors can cause a cholinergic crisis characterized by severe nausea/vomiting, salivation, sweating, bradycardia, hypotension, collapse, and convulsions. Increasing muscle weakness is a possibility and may result in death if respiratory muscles are involved.
来源:Toxin and Toxin Target Database (T3DB)
毒理性
暴露途径
这种物质可以通过吸入、皮肤接触和摄入被身体吸收。
The substance can be absorbed into the body by inhalation, through the skin and by ingestion.
来源:ILO-WHO International Chemical Safety Cards (ICSCs)
ROOT ABSORPTION OF EPTC WAS REPORTED ... IN OAT ... & IN ALFALFA. THE ABSORBED EPTC WAS READILY MOVED UPWARD TO THE FOLIAGE. THIS CHEMICAL IS ALSO ABSORBED BY THE COLEOPTILES & CAN BE TRANSLOCATED DOWNWARD TO THE ROOTS. ... THE RADIOSULFURFROM LABELED EPTC ACCUMULATES IN GROWING STEM & ROOT TIPS AFTER THE APPLICATION TO THE LEAVES. WHEN THE APPLICATION WAS MADE TO THE ROOTS, THE DISTRIBUTION WAS MORE UNIFORM.
... SEEDS OF KIDNEY BEAN, PEA, CORN, & OAT /WERE COVERED/ WITH DRY SOILS CONTAINING VARIOUS LEVELS OF (35)S EPTC, RANGING FROM 10 TO 100 PPM ... . NO SIGNIFICANT AMT OF RADIOACTIVITY WAS FOUND IN THE SEEDS AFTER 6 DAYS ... . A SIGNIFICANT AMT OF RADIOACTIVITY WAS TAKEN UP WHEN THE GERMINATING SEEDS /KIDNEY BEAN, PEA, CORN, & OAT/ WERE COVERED WITH WET SOIL CONTAINING (35)S EPTC. EPTC WAS ALSO TAKEN UP BY SEEDS THAT WERE GERMINATED BETWEEN 2 SHEETS OF FILTER PAPER MOISTENED WITH AN EPTC SOLN.
... AFTER A 0.6 MG DOSE /EPTC, ORAL, TO RATS/ 8% WAS EXCRETED IN THE URINE, 4% IN THE FECES, & 85% IN THE EXPIRED AIR, WHEREAS AFTER A DOSE OF 100.6 MG, 36, 11, & 38% WERE EXCRETED BY THESE ROUTES RESPECTIVELY. THE LARGER DOSE WAS ALSO EXCRETED MORE SLOWLY.
INCR THE DOSE OF EPTC /IN RATS/ FROM 0.63 TO 103 MG PER RAT LED TO A ... CORRESPONDING INCR IN URINARY EXCRETION OF RADIOACTIVITY. ... THE TIME FOR COMPLETE URINARY ELIMINATION OF RADIOACTIVITY WAS LIKEWISE EXTENDED /TO APPROX 35 HR FOR HIGHER DOSE/.
1.周国泰,化学危险品安全技术全书,化学工业出版社,1997 2.国家环保局有毒化学品管理办公室、北京化工研究院合编,化学品毒性法规环境数据手册,中国环境科学出版社.1992 3.Canadian Centre for Occupational Health and Safety,CHEMINFO Database.1998 4.Canadian Centre for Occupational Health and Safety, RTECS Database, 1989
[EN] ACC INHIBITORS AND USES THEREOF<br/>[FR] INHIBITEURS DE L'ACC ET UTILISATIONS ASSOCIÉES
申请人:GILEAD APOLLO LLC
公开号:WO2017075056A1
公开(公告)日:2017-05-04
The present invention provides compounds I and II useful as inhibitors of Acetyl CoA Carboxylase (ACC), compositions thereof, and methods of using the same.
[EN] 3-[(HYDRAZONO)METHYL]-N-(TETRAZOL-5-YL)-BENZAMIDE AND 3-[(HYDRAZONO)METHYL]-N-(1,3,4-OXADIAZOL-2-YL)-BENZAMIDE DERIVATIVES AS HERBICIDES<br/>[FR] DÉRIVÉS DE 3-[(HYDRAZONO))MÉTHYL]-N-(TÉTRAZOL-5-YL)-BENZAMIDE ET DE 3-[(HYDRAZONO)MÉTHYL]-N-(1,3,4-OXADIAZOL-2-YL)-BENZAMIDE UTILISÉS EN TANT QU'HERBICIDES
申请人:SYNGENTA CROP PROTECTION AG
公开号:WO2021013969A1
公开(公告)日:2021-01-28
The present invention related to compounds of Formula (I): or an agronomically acceptable salt thereof, wherein Q, R2, R3, R4, R5 and R6 are as described herein. The invention further relates to compositions comprising said compounds, to methods of controlling weeds using said compositions, and to the use of compounds of Formula (I) as a herbicide.
[EN] HERBICIDALLY ACTIVE HETEROARYL-S?BSTIT?TED CYCLIC DIONES OR DERIVATIVES THEREOF<br/>[FR] DIONES CYCLIQUES SUBSTITUÉES PAR HÉTÉROARYLE À ACTIVITÉ HERBICIDE OU DÉRIVÉS DE CELLES-CI
申请人:SYNGENTA LTD
公开号:WO2011012862A1
公开(公告)日:2011-02-03
The invention relates to a compound of formula (I), which is suitable for use as a herbicide wherein G is hydrogen or an agriculturally acceptable metal, sulfonium, ammonium or latentiating group; Q is a unsubstituted or substituted C3-C8 saturated or mono-unsaturated heterocyclyl containing at least one heteroatom selected from O, N and S, or Q is heteroaryl or substituted heteroaryl; m is 1, 2 or 3; and Het is an optionally substituted monocyclic or bicyclic heteroaromatic ring; and wherein the compound is optionally an agronomically acceptable salt thereof.
The present invention provides triazole compounds useful as inhibitors of Acetyl CoA Carboxylase (ACC), compositions thereof, and methods of using the same.