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Cercosporin-Photocatalyzed [4+1]- and [4+2]-Annulations of Azoalkenes Under Mild Conditions
Published on: July 17, 2020
Crystal structures of (S)-(-)-1-(4-chloro-phen-yl)-N-[(pyridin-2-yl)methyl-idene]ethan-1-amine and its
Teresa Pacheco-Álvarez1, Alejandro Yañez-Cabrera2, C Claudia P Villamizar3
1Lab. Síntesis de Complejos, Fac. Cs. Quím. Benemérita Universidad, Autónoma de Puebla, Ciudad Universitaria, PO, Box, 72592 Puebla, Mexico.
Abstract:
One of the title compounds, the chiral Schiff base (S)-(-)-1-(4-chloro-phen-yl)-N-[(pyridin-2-yl)methyl-idene]ethan-1-amine (C14H13ClN2) crystallizes in the monoclinic Sohncke space group P21 with one mol-ecule in the asymmetric unit. The ligand is obtained by condensation of (S)-(-)-1-(4-chloro-phen-yl)ethan-1-amine with 2-pyridine-carboxaldehyde. Its palladium(II) chloride complex, cis-di-chlorido-{(S)-(-)-1-(4-chloro-phen-yl)-N-[(pyridin-2-yl)methyl-idene]ethan-1-amine-κ2 N,N'}palladium(II), [PdCl2(C14H13ClN2)], crystallizes in the ortho-rhom-bic Sohncke space group P212121, with one mol-ecule in the asymmetric unit. The central PdII atom adopts a slightly distorted square-planar coordination environment, defined by two nitro-gen donors (pyridyl-N and imine-N) and two chlorido ligands in a cis arrangement.
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