[EN] PROCESS FOR THE PREPARATION OF FUNGICIDAL N-ARYL FORMAMIDINE DERIVATIVES [FR] PROCÉDÉ DE PRÉPARATION DE DÉRIVÉS DE N-ARYL-FORMAMIDINE FONGICIDES
摘要:
The present invention relates to a process for the preparation of N-aryl formamidine derivatives suitable for use, e.g., as active ingredients, which have microbiocidal activity, in particular, fungicidal activity.
The purpose of the present invention is to provide a novel compound which has an anti-fungal activity on pathogenic fungi including fungi belonging to the genus
Candida
, the genus
Aspergillus
and the genus
Trichophyton
and is useful as a medicinal agent. A compound represented by formula (I) (wherein A
1
represents a nitrogen atom or a group represented by formula CR
6
; A
2
and A
3
are the same as or different from each other and independently represent a nitrogen atom or a group represented by formula CH; R
1
represents an aryl group which may be substituted by 1 to 5 substituents independently selected from a substituent group (2) or the like; R
2
and R
3
are the same as or different from each other and independently represent a hydrogen atom, a halogen atom, a C
1-6
alkyl group, a C
1-6
haloalkyl group or a C
1-6
alkoxy group; and R
4
and R
5
are the same as or different from each other and independently represent a hydrogen atom, a C
1-6
haloalkyl group, a C
1-6
alkyl group or the like) or a salt thereof is useful as an anti-fungal agent.
[EN] FUNGICIDAL N'-[2-METHYL-6-[2-ALKOXY-ETHOXY]-3-PYRIDYL]-N-ALKYL-FORMAMIDINE DERIVATIVES FOR USE IN AGRICULTURE<br/>[FR] DÉRIVÉS FONGICIDE DE N'- [2-MÉTHYL -6- [2-ALCOXY-ÉTHOXY]-3-PYRIDYL]-N-ALKYL-FORMAMIDINE DESTINÉS À ÊTRE UTILISÉS DANS L'AGRICULTURE
申请人:SYNGENTA PARTICIPATIONS AG
公开号:WO2015155075A1
公开(公告)日:2015-10-15
The invention relates to compounds of formula (I), wherein R1, R2, R3, R4, R5 and R6 are as defined in the claims. The invention further provides compositions which comprise these compounds and to their use in agriculture or horticulture for controlling or preventing infestation of plants by phytopathogenic microorganisms, preferably fungi.
Ag(I)-Catalyzed [3 + 2]-Annulation of Cyclopropenones and Formamides via C–C Bond Cleavage
作者:Jiang-Tao Ren、Jia-Xin Wang、Hu Tian、Jing-Lei Xu、Hong Hu、Muhammad Aslam、Meng Sun
DOI:10.1021/acs.orglett.8b02612
日期:2018.11.2
An unprecedented Ag-catalyzed [3 + 2]-annulation of cyclopropenones and DMF via C–C bond cleavage is disclosed. This protocol exhibited excellent chemo- and regio-selectivity, and tolerated various functional groups. More importantly, DMF served as the C═O bond in the cycloaddition reaction, providing an efficient way to construct γ-aminobutenolides. In addition, transesterification reaction occurred