Results 271 to 280 of about 1,122,647 (334)

Nickel-Catalyzed Regio- and Enantioselective Hydroamination of Unactivated Alkenes Using Carbonyl Directing Groups.

Journal of the American Chemical Society, 2022
The asymmetric addition of an N-H bond to various alkenes via a direct catalytic method is a powerful way of synthesizing value-added chiral amines. Therefore, the enantio- and regioselective hydroamination of unactivated alkenes remains an appealing ...
Changseok Lee   +3 more
semanticscholar   +1 more source

Urban green areas as earthworm species maintainers in Curitiba, Paraná, Brazil.

Zootaxa, 2023
Urban green areas can have a high impact on soil fauna due the environmental changes caused by human activities. This work aimed to assess earthworm populations in urban sites in the city of Curitiba, Paraná, Brazil.
R. Dudas   +9 more
semanticscholar   +1 more source

Activity of native and commercial strains of Metarhizium spp. against the poultry red mite Dermanyssus gallinae under different environmental conditions.

Veterinary parasitology, 2018
The poultry red mite (PRM), Dermanyssus gallinae, is a major pest of laying hens with extremely limited control means. To evaluate the potential of natural and commercial entomopathogenic fungi (EPF) for use against D.
H. Tomer   +5 more
semanticscholar   +1 more source

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