Browsing by Author "Cassels Niven, Bruce"
Now showing items 121-140 of 318
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(2003)C17H13NO2, monoclinic. P1211 (No. 4), a = 5.0336(5) Å, b = 13.964(2) Å, c = 9.025(2)Å,β = 98.56(1)°, V= 627.3 Å3, Z= 2, Rgt(F) = 0.069, wRref(F2) = 0.202, T= 293 K. © 2014, Oldenbourg Wissenschaftsverlag GmbH, Rosenheimer ...
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(2003)C17H13NO3, orthorhombic, P21nb (No. 33), a = 8.7927(8) Å, b = 30.165(2) Å,c = 4.9136(6) Å, K= 1303.2 Å3,Z= 4, Rgt(F) = 0.053, wRref(F2) = 0.161, T = 293 K. © 2014, Oldenbourg Wissenschaftsverlag GmbH, Rosenheimer Str. 145, ...
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(SOCIEDAD CHILENA DE QUIMICA, 1998-12)An X-ray diffraction study of the 7-bromo-5,8-dihydroxy-4,4-dimethyl-4H-naphthalen--1-one (1), obtained by bromination of 5,8-dihydroxy-4.4-dimethyl-4H-naphthalen-1-one with molecular bromine, gave unambiguous proof of its ...
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(2005)C38H42N2O6, orthorhombic, P212121 (no. 19), α = 12.024(2) Å, b = 15.637(2) Å, c = 17.553(3) Å, V= 3300.2 Å3, Z = 4, Rgt(F) = 0.041, wRref(F2) = 0.109, T= 293 K. © 2014, Oldenbourg Wissenschaftsverlag München. All rights reserved.
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(Sociedad Chilena de Quimica, 1999)The crystal and molecular structures of (E)-1-(3,4,5-trimethoxyphenyl)-2-nitroethene (1), C11H13NO5, Mr = 239.2, and (E)-1-(3,4,5-trimethoxyphenyl)-2-nitropropene (2), C12H15NO5, Mr = 253.3, were determined by X-ray ...
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(ASOCIACION QUIMICA ARGENTINA, 1975)Fagara mayu leaves yield four furanocoumarins, identified as psoralen (1), bergapten (11), xanthotoxin (111), and isopimpinellin (IV). The occurrence of these compounds together with furanoquinolines and canthinone, and ...
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(Elsevier Science ltd., 1995)Bioactivity guided fractionation of the dichloromethane extract from Psoralea glandulosa yielded the isolation of a diasteromeric mixture of cyclobakuchiols A and B as possible anti-inflammatory active compounds.
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(Elsevier Science Ltd., 1995-01-16)Bioactivity guided fractionation of the dichloromethane extract from Psoralea glandulosa yielded the isolation of a diasteromeric mixture of cyc1obakuchiols A and B as possible anti-inflammatory active compounds.
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(Pergamon Press, 1974-02-20)The known alkaloids zizyphine-A (1) and -B (2), abyssinine-A (4) and -B (5), and the previously undescribed zizyphine-C (3), -D (6) and -E (7) have been isolated from the stem bark of Zizyphus oenoplia. The structures ...
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(2012)This review covers classical and modern structural modifications of the alkaloid, the more recent (since 2007) syntheses of cytisine and analogues, and the pharmacology of these compounds, with emphasis on their interactions ...
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(American Chemical Society, 2018)Archeological studies in the United States, Mexico, and Peru suggest that mescaline, as a cactus constituent, has been used for more than 6000 years. Although it is a widespread cactus alkaloid, it is present in high ...
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(2012)The novel coumarin-based 'turn-on' fluorescent probe (E)-3-(2,5- dimethoxybenzylideneamino)-7-hydroxy-2H-chromen-2-one (MGM) was designed, synthesized, and characterized. This compound shows high selectivity for Cu +2, ...
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(Elsevier Masson SAS, 2013)A new coumarin-based 'turn-off' fluorescent probe, 7-(diethylamino)-N-(1,3- dihydroxy-2-(hydroxymethyl) propan-2-yl)-2-oxo-2H-chromene-3-carboxamide (AGD) was synthesized. This compound is highly selective for ferrous ions ...
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(2013)A new coumarin-based ‘turn-off’ fluorescent probe, 7-(diethylamino)-N-(1,3-dihydroxy-2-(hydroxymethyl) propan-2-yl)-2-oxo-2H-chromene-3-carboxamide (AGD) was synthesized. This compound is highly selective for ferrous ...
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(Nature Publishing Group, 2002-04-04)1 The pharmacological pro®le of a series of (+)-2,5-dimethoxy-4-(X)-phenylisopropylamines (X=I, Br, NO2, CH3, or H) and corresponding phenylethylamines, was determined in Xenopus laevis oocytes injected with cRNA coding ...
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(American Chemical Society, 2020)The human 5-HT2 receptor subtypes have high sequence identity in their orthosteric ligand-binding domain, and many agonists are poorly selective between the S-HT(2A )and 5-HT2C subtypes. Nevertheless, their activation is ...
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(Pergamon Press, 1990-01-02)highly polar compound isolated from the stem of Petiueria alliacea was shown to be trans-l\r-methyl-C methoxyproline on the basis of its microanalysis and spectral data. Dibenzyl trisulphide, previously unknown as a natural ...
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(1990)A highly polar compound isolated from the stem of Petiveria alliacea was shown to be trans-N-methyl-4- methoxyproline on the basis of its microanalysis and spectral data. Dibenzyl trisulphide, previously unknown as a natural ...
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(AMER CHEMICAL SOC, 2001-10-30)Deuterium quadrupole splittings from two series of optical isomers, L- and D-N-acyl-l-phenyl-d(5)-2-aminopropane, with linear acyl chains ranging from I to 10 carbon atoms, were measured using H-2 NMR spectroscopy. Both ...
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(Universidad de Chile, 2008)El objetivo general del presente trabajo de título es el de proponer un instrumento específico, que le permita a la Universidad de Chile y en especial a la Comisión Superior de Evaluación Académica, y atendiendo a las ...
