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Journals and Conferences
An acid proteinase from Monascus purpureus No. 3403, MpuAP, was previously purified and some characterized in our laboratory (Agric Biol Chem 48:1637–1639, 1984). However, further information about this enzyme is lacking. In this study, we investigated MpuAP’s comprehensive substrate specificity, storage stability, and prospects for reducing antigenicity of… (More)
The asymmetric unit of the title compound, C21H15Cl2N5O4, contains two independent mol-ecules (A and B) having similar conformations. The amine (NH2) group forms an intra-molecular hydrogen bond with the benzoyl group, giving an S(6) ring motif in both mol-ecules. The central six-membered rings adopt sofa conformations and the imidazole rings are planar… (More)
In the title compound, C(34)H(35)N(3)O(2), the polysubstituted piperidine ring adopts a chair conformation and the isoxazolidine ring is in an envelope form. The mol-ecules are linked into a chain along the b axis by O-H⋯N, C-H⋯O and C-H⋯N inter-actions. The chains are cross-linked via weak C-H⋯π inter-actions.
The asymmetric unit of the title compound, C26H25ClN2O3, contains two independent mol-ecules (A and B). The conformation of the two mol-ecules differs essentially in the dihedral angle involving the two benzene rings. They are inclined to one another by 52.47 (10) in A and by 31.75 (11)° in B. In both mol-ecules, the six-membered piperidin-3-one rings have… (More)
In the title compound, C26H16ClN3, the dihedral angles between the central pyridine ring and the pendant phenyl, chloro-benzene and indole rings are 18.52 (12), 48.97 (11) and 21.20 (10)°, respectively. An intra-molecular C-H⋯Nc (c = cyanide) hydrogen bond occurs. In the crystal, inversion dimers linked by pairs of N-H⋯Nc hydrogen bonds generate R 2 (2)(16)… (More)
In the title compound, C 18 H 20 N 2 O 3 , the N-methylpiperidone ring adopts a chair conformation. The pyrrolidine ring and the five-membered cyclopentane rings adopt envelope conforma-tions. The five-membered ring of the ninhydrin system adopts an envelope conformation with the central C atom deviating by 0.217 (1)A ˚ from the mean plane through the other… (More)
In the title compound, C19H19FN2O, the cyclo-octene ring adopts a twisted boat-chair conformation. The dihedral angle between the plane of the fluorophenyl substituent and that of the pyridine ring is 76.39 (8)°. The F and ortho-H atoms of the fluoro-benzene ring are disordered, with occupancy factors of 0.226 (5) and 0.774 (5). In the crystal, no… (More)
In the title compound, C(10)H(7)ClN(4), the quinoline ring system is planar [maximum deviation 0.0035 (10) Å]. The crystal structure is stabilized by van der Waals and π-π stacking inter-actions [centroid-centroid distance 3.6456 (17) Å].
The title compound, C35H28N4O6S, crystallizes with two mol-ecules in the asymmetric unit. In both mol-ecules, the piperidine ring adopts a shallow-chair conformation, the thia-zole ring adopts a twisted conformation about the Cm-N bond (m = methine) and the pyrrole ring adopts an envelope conformation with the C atom shared with the thia-zole ring as the… (More)
In the title compound, C31H30N4O, the central pyrrolidine ring adopts an envelope conformation with the methyl-ene C atom being the flap. The quinoxaline and indane rings are each planar, having r.m.s. deviations of 0.030 and 0.050 Å, respectively. The pyrrolidine ring mean plane forms dihedral angles of 88.25 (1) and 83.76 (1)° with the quinoxaline and… (More)