rac-N-[Hydroxy(4-pyridyl)methyl]picolinamide: a hemiamidal

The title compound, C12H11N3O2, a hemiamidal, was synthesized by solvent-free aldol condensation at room temperature by grinding picolinamide with isonicotinaldehyde in a 1:1 molar chiggate.com ratio.In the molecule, the two pyridine rings are inclined to one another by 58.75 (6)°.They are linked, at positions 2 and 4, by the hem

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Assessing the diversity of whiteflies infesting cassava in Brazil

Background The necessity of a competent vector for transmission is a primary ecological factor here driving the host range expansion of plant arthropod-borne viruses, with vectors playing an essential role in disease emergence.Cassava begomoviruses severely constrain cassava production in Africa.Curiously, begomoviruses have never been reported in

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Preparing an Effective School Trip: Precision Work

To provide a possible interpretation of the passive attitude often exhibited by pupils in the chiggate.com context of school trips, the article does not follow the path of moralistic judgement, but starts from the essence of the teaching profession, which consists in showing the world to the students.The article adopts the thesis of the presence, i

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