Kallolide A acetate pyrazoline

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Kallolide A acetate pyrazoline

IN THE CRYSTAL STRUCTURE OF KALLOLIDE A ACETATE PYRAZOLINE [SYSTEMATIC NAME: 7-methyl-16-oxo-4,10-bis-(prop-1-en-2-yl)-17,18-dioxa-14,15-diaza-tetra-cyclo-[9.4.2.1(6,9).0(1,12)]octa-deca-6,8,14-trien-5-yl acetate], C(23)H(28)N(2)O(5), there is a 12-member-ed carbon macrocyclic structure. In addition, there is a tris-ubstituted furan ring, an approximately planar γ-lactone ring [maximum deviatio...

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High Solid Fluorescence of a Pyrazoline Derivative through Hydrogen Bonding.

Pyrazoline and its derivatives often exhibit strong emissions in dilute solutions, but their emission intensity is often dramatically reduced in the solid state due to strong intermolecular interactions between neighboring molecules. In this report, we successfully synthesized a new pyrazoline 4-(3-(4-(decyloxy)phenyl)-1-(2,3,5,6-tetrafluoro-4-(trifluoromethyl)phenyl)-4,5-dihydro-1H-pyrazol-5-y...

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Triaryl pyrazoline compound inhibits flavivirus RNA replication.

Triaryl pyrazoline {[5-(4-chloro-phenyl)-3-thiophen-2-yl-4,5-dihydro-pyrazol-1-yl]-phenyl-methanone} inhibits flavivirus infection in cell culture. The inhibitor was identified through high-throughput screening of a compound library using a luciferase-expressing West Nile (WN) virus infection assay. The compound inhibited an epidemic strain of WN virus without detectable cytotoxicity (a 50% eff...

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1-Acetyl-3-(4-chloro­phen­yl)-5-(4-fluoro­phen­yl)-2-pyrazoline

In the title mol-ecule, C(17)H(14)ClFN(2)O, the mean plane of the pyrazoline ring makes dihedral angles of 18.19 (1) and 83.51 (4)° with the 4-chloro-benzene and 4-fluoro-benzene rings, respectively. The two benzene rings make a dihedral angle of 76.11 (2)°. Weak inter-molecular C-H⋯O hydrogen bonds help stabilize the crystal structure.

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Benzyl 5-ferrocenyl-3-(4-methyl­phen­yl)-2-pyrazoline-1-dithio­carboxyl­ate

In the title compound, [Fe(C(5)H(5))(C(23)H(21)N(2)S(2))], the cyclo-penta-dienyl rings of the ferrocenyl unit deviate slightly from the eclipsed form. In the pyrazoline ring, the N atom bonded to S-benzyl dithio-carbazate exhibits unconventional sp(2)-hybrid character in order to form an extended conjugated system. The pyrazoline ring displays an envelope conformation. The mol-ecules are linke...

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ژورنال

عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online

سال: 2011

ISSN: 1600-5368

DOI: 10.1107/s1600536811051890