Acta Crystallographica Section E: Structure Reports Online - Volume 66, issue Pt 6

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Electronic ISSN
1600-5368

Abstract

In the title compound, C11H11NO2, the dihedral angle between the ring planes is 52.5 (1)°.

Abstract

In the title compound, C20H36O5·H2O, previously studied by film methods [Vorontsova et al. (1975 ▶). Izvest. USSR Ser. Chem.2, 338–343], the H atoms have been located and the absolute structure (seven stereogenic centres) establishe

Abstract

The title compound (systematic name: 8β-acet­oxy-14α-benzo­yloxy-N-ethyl-13β,15α-dihydr­oxy-1α,6α,16β-trimeth­oxy-4β-methoxy­methyl­eneaconitane), C34H47NO10, is a typical aconitine-type C19-diterpenoid alkaloid, and was isolated from the roots o

Abstract

The title compound, C31H38O10 [systematic name: (αR,4R,4aR,6aS,7R,8S,10R,11S)-methyl α,10-di­acet­oxy-4-(3-furyl)-4a,7,9,9-tetra­methyl-2,13-dioxo-1,4,4a,5,6,6a,7,8,9,10,11,12-dodeca­hydro-7,11-methano-2H<

Abstract

In the the title compound, C29H26N2O2, two strong intra­molecular O—H⋯N hydrogen bonds involving the hydr­oxy and imine groups generate S(6) ring motifs. The dihedral angles between the pairs of terminal benzene rings are 89.8 (2) and 87.8 (2)°.<

Abstract

In the title compound, C19H13N3O3S·0.5H2O, both organic mol­ecules (A and B) exist in E configurations with respect to the acyclic C=N bond and have similar overall conformations. In mol­ecule A, the essentially pl

Abstract

The title crystal structure, C11H18N4O3, is the first diazo­acetamide in which the diazo­acetyl group is attached to an N atom. The piperazine ring is in a chair form and hence the mol­ecule has an extended conformation. Both ring N atoms are bonded in

Abstract

The title compound, C35H36N4O4, was prepared as a spiro­lactam ring formation of rhodamine B dye for comparison with a ring-opened form. The xanthene ring system is approximately planar. The r.m.s. deviation from planarity is 0.064 (6) Å for the xanthen