Crystal structure of 11-hydroxy-5-(5-hydroxy-4-methylpent-3-enyl)- 4,5,13-trimethyl-3,8-dioxatricyclo[7.4.0.02,6]trideca-l(13),2(6),9(10),11-tetraen-7-one, C20H24O5
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Crystal structure of 2-(4-tert-butylphenyl)-3-hydroxy-4H-chromen-4-one
Yellow-green fluorescent crystals of the title compound, C19H18O3, were obtained by the reaction of hy-droxy-aceto-phenone and 4-tert-butyl-benzaldehyde with hydrogen peroxide as oxidant. The plane of the benzene ring is slightly twisted to the mean plane of the 4H-chromene-4-one moiety (r.m.s. deviation = 0.0191 Å) by 10.53 (8)°. In the crystal, mol-ecules are linked by pairs of O-H⋯O hydrogen...
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The structure of the title hydrated mol-ecular salt, C14H23N2O4 (+)·C2H3O2 (-)·H2O, was determined as part of a wider study on the use of the mol-ecule as a polydentate ligand in the synthesis of Mn(III) clusters with magnetic properties. The cation features intra-molecular O-H⋯N and N-H⋯O hydrogen-bond inter-actions. The crystal structure features a range of inter-molecular hydrogen-bonding in...
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A new compound, euparvic acid (1, C(14)H(16)O(6)), and the known compounds 5,7-dihydroxy-4-methylphthalide (2), 6-(3-carboxybutyl)-7-hydroxy-5-methoxy-4-methylphthalan-1-one (3), 6-(5-carboxy-3-methylpent-2-enyl)-7-hydroxy-5-methoxy-4-methylphthalan-1-one (4), and 6-(5-carboxy-4-hydroxy-3-methylpent-2-enyl)-7-hydroxy-5-methoxy-4-methylphthalan-1-one (5) were isolated from the EtOAc extract of E...
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REFERENCE: Pinostrobin--an anti-leukemic flavonoid from Polygonum lapathifolium L. ssp. nodosum (Pers.) Dans. Information from Industry Assess clinically focused product information on Medscape. * Click Here for Product Infosites -Information from Industry. Medscape Newsletters Sign Up Sign Up To Receive Medscape Best Evidence Key journal articles ranked for newsworthiness and clinical relevanc...
متن کاملST079166 5-Hydroxy-7-methoxyflavanone (Pinostrobin)
REFERENCE: Pinostrobin--an anti-leukemic flavonoid from Polygonum lapathifolium L. ssp. nodosum (Pers.) Dans. Information from Industry Assess clinically focused product information on Medscape. * Click Here for Product Infosites -Information from Industry. Medscape Newsletters Sign Up Sign Up To Receive Medscape Best Evidence Key journal articles ranked for newsworthiness and clinical relevanc...
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ژورنال
عنوان ژورنال: Zeitschrift für Kristallographie - New Crystal Structures
سال: 2000
ISSN: 2197-4578,1433-7266
DOI: 10.1515/ncrs-2000-0173