The present invention relates to 1-(Azolin-2-yl)-amino-alkane compounds, which are useful for combating insects, arachnids and nematodes.
The present invention also relates to a method for combating animal pests selected from insects, arachnids and nematodes, and to agricultural compositions for combating animal pests.
It has been found that animal pests can be combated by 1-(Azolin-2-yl)-amino-alkane compounds of the general formula I:
wherein
A is a radical of the formulae A
1
or A
2
:
and wherein
X is sulfur or oxygen and W, B and R
1
to R
6
are defined as in the description.
Stereospecific approach to α,β-disubstituted nitroalkenes via coupling of α-bromonitroalkenes with boronic acids and terminal acetylenes
作者:Madhu Ganesh、Irishi N.N. Namboothiri
DOI:10.1016/j.tet.2007.09.012
日期:2007.11
(Z)-alpha-Bromo-beta-substituted nitroethylenes undergo facile Suzuki coupling with aryl, heteroaryl, and vinylboronic acids in the presence of Pd(PPh3)(4) as catalyst to afford (E)-alpha,beta-disubstituted nitroethylenes in high yield (up to 95%) and complete specificity. Similar coupling of alpha-bromonitroethylenes with terminal acetylenes (Sonogashira coupling) provides a novel route to (E)-nitroenynes. These Pd-catalyzed coupling methods offer a convenient and stereospecific entry into a diverse array of synthetically and biologically useful alpha,beta-disubstituted nitroethylenes. (c) 2007 Elsevier Ltd. All rights reserved.
[EN] The present invention relates to 1-(Azolin-2-yl)-amino-alkane compounds, which are useful for combating insects, arachnids and nematodes. The present invention also relates to a method for combating animal pests selected from insects, arachnids and nematodes, and to agricultural compositions for combating animal pests. It has been found that animal pests can be combated by 1-(Azolin-2-yl)-amino-alkane compounds of the general formula (I) wherein A is a radical of the formulae (A1) or (A2): and wherein X is sulfur or oxygen and W, B and R1 to R6 are defined as in the description. [FR] La présente invention concerne des 1-(Azolin-2-yl)-amino-alcanes, qui peuvent être employés dans la lutte contre les insectes, les arachnides et les nématodes. La présente invention concerne également une méthode de lutte contre les animaux nuisibles sélectionnés parmi les insectes, les arachnides et les nématodes, ainsi que des préparations agricoles pour la lutte contre les animaux nuisibles. Il a été démontré que les animaux nuisibles peuvent être combattus par des 1-(Azolin-2-yl)-amino-alcanes de formule générale (I) où A est un radical de formule (A1) ou (A2) : et où X représente le soufre ou l'oxygène et W, B et R1 à R6 sont tels que définis dans la description.
Palladium-Catalyzed Intramolecular Cyclization of Nitroalkenes: Synthesis of Thienopyrroles
作者:Mohamed A. El-Atawy、Francesco Ferretti、Fabio Ragaini
DOI:10.1002/ejoc.201700165
日期:2017.4.10
intramolecular amination of thiophene rings following the reduction of a nitroalkene moiety directly attached to the S-heterocyclic ring. Optimization of the ligand and reaction conditions allowed the synthesis of a series of thienopyrroles aryl/alkyl-substituted at either the 2- or 3-position of the pyrrole ring. By using low pressures of carbon monoxide (5 bars), high yields of fused bicyclic compounds have been