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Listar por autor "Márquez Delgado, Rafael"
Mostrando ítems 21-40 de 42
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Artículo
Structure and Absolute Configuration of l'-(p-Bromophenyl)-3'-ethyl-l',Y,4',5'- tetrahydro- 1,2-dideoxy-u-L-glucofuranoso[2,l-d]imidazole-2'-thione Monohydrate,* C15H19BrN204S.H20
Conde Amiano, Clara Francisca; Millán, M.; Conde Amiano, Alejandro; Márquez Delgado, Rafael (International Union of Crystallography, 1985)M r = 421-30, monoclinic, P2~, a = 7.531 (1), b=8.148(4), c= 14. 625 (2) ,~, fl=97.14(1) °, V= 890.5 (5) ,~3, Z= 2, Din= ...
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Artículo
Structure and Molecular Conformation of l-(4-Acetyl-5-methyl-2-furyl)- 1,3-dideoxy-3-nitro-fl-D-xylopyranose
Conde Amiano, Alejandro; Moreno, E.; Márquez Delgado, Rafael (International Union of Crystallography, 1980)The crystal structure of C I2HIsNO7 has been determined at room temperature. Crystals are tetragonal, space group P432~2, ...
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Artículo
Structure and Molecular-Packing Analysis of a Heptofuranosoimidazolidine-2-Thione
Estrada de Oya, María Dolores; Conde Amiano, Alejandro; Márquez Delgado, Rafael (International Union ofCrystallography, 1987)1-(4-Bromophenyl)-3-ethyl-(3,5,6,7-tetra-0- acetyl-1,2-dideoxy-n-glycero-P-n-talo-heptofuranoso )- * IUPAC name: ...
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Artículo
Structure of 1,3-Dihydro-4-[(2R)-2,5-dihydro-2-furyl]-3-phenyl-l-(p-tolyl)-2H-imidazole- 2-thione, C20HlsN2OS
Criado Vega, Alberto; Conde Amiano, Alejandro; Márquez Delgado, Rafael (International Union of Crystallography, 1985)Mr=334.4, orthorhombic, P212~2 ~, a= 9.366(4), b=20.616(5), c=9.137(4)A, V= 1764 (1) A 3, Z = 4, D x = 1.26 Mg m -3, ...
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Artículo
Structure of 4-(~-D-Erythrofuranosyl)-3-methyl- l-(p-tolyl)-4-imidazoline-2-thione Monohydrate, C 15H18N203S.H20
Criado Vega, Alberto; Conde Amiano, Alejandro; Márquez Delgado, Rafael (International Union of Crystallography, 1983)Mr=324.4, orthorhombic, P212t2 ~, a= 32.150(5), b=10.215(1), c=4.805(1)A, V= 1578.0 (4)/~3, Z = 4, D x = 1.36 Mg m -a, ...
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Artículo
Structure of 5-(p-n-Glucopyranosyl)barbituric Acid Trihydrat
Millán, M.; Conde Amiano, Clara Francisca; Conde Amiano, Alejandro; Márquez Delgado, Rafael (International Union of Crystallography, 1987)C 1oH15N 307.3H20, M,= 343·3, monoclinic, P21, a= 10·883 (3), b = 12·497 (20), e=rings for the two molecules are 80·9 (3) ...
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Artículo
Structure of 5-fl-D-Galactopyranosyl- 1,3-dimethylbarbituric Acid Monohydrate,* C12H1sN2Os.H20
Millán, M.; Conde Amiano, Clara Francisca; Conde Amiano, Alejandro; Márquez Delgado, Rafael (International Union of Crystallography, 1985)Mr=336'30, orthorhombic, P21212 ~, a= 9.147(1), b=23.054(2), c=6.921(1)A, V= 1459.5(3)A 3, Z=4, Dm=l'53(1), Dx= 1.531Mgm ...
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Artículo
Structure of l'-(p-Bromophenyl)-3'-ethyl- 1',3', 4',5'-tetrahydro- 1,2-dideoxy-D-glycero- L-gluco-heptofuranoso[ 1,2-d]imidazole-2'-thione,* C16H21BrN205 S
Estrada de Oya, María Dolores; Conde Amiano, Alejandro; Márquez Delgado, Rafael (International Union of Crystallography, 1983)M,=433.3, orthorhombic, P2,2~2,, a= 8.466 (2), b .... 27. 136 (5), c - 7.776 (5) A, V = 1786(1)A3, Z=4, D,,,= 1.60(l),Dx= ...
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Artículo
Structure of l'-(p-Bromophenyl)-3'-ethyl- 1',3t,4',5 t -tetrahydro- 1,2-¢~• deoxy-D-glyeero-Dgu/ a-heptofuranoso[ 1,2-d]imidazole-2'-thione,* C16H21BrN2OsS
Estrada de Oya, María Dolores; Conde Amiano, Alejandro; Márquez Delgado, Rafael (International Union of Crystallography, 1984)M r = 433.3, monoclinic, P21, a = 6.924 (3), b=8.661 (1), c=15.039(3)A, #=96.92(3) ° , v= 895.3 (4) A a, Z= 2, D, = 1.598 ...
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Artículo
Structure of l-(p-Ethoxyphenyl)-1,3-dihydro-3-phenyl-2H-benzimidazole-2-thione, C2IHlaN2OS
Criado Vega, Alberto; Conde Amiano, Alejandro; Márquez Delgado, Rafael (International Union of Crystallography, 1984)Mr=346-4, orthorhombic, P212121, a= 7.600(1), b= 11.132(2), c=20.767 (3)A, v= 1756.9(5)A 3, z=4, Dx=1.31Mgm -3, ...
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Artículo
The Conformation and Crystal Structure of meso-2,10-Dimethyl- 3,1 l-dimethoxycarbonyl- 1,6,9,13-tetraoxadispiro[4.2.4.2]tetradeca-2,10-diene
Conde Amiano, Alejandro; Moreno, E.; Márquez Delgado, Rafael (International Union of Crystallography, 1979)The crystal and molecular structure of the title compound, C16H20Os, has been determined by singlecrystal X-ray diffraction. ...
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Artículo
The Crystal and Molecular Structure of 1-p-Chlorophenyl-4-(tt-a-erythrofuranosyl)-4-imidazoline-2-thione
Pérez Garrido, Simeón; Conde Amiano, Alejandro; Márquez Delgado, Rafael (International Union of Crystallography, 1974)The title compound, CISOsN2C~sH~3, the definitive formula of which has been established by X-ray structural analysis, is ...
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Artículo
The Crystal and Molecular Structure of 2-Formylpyridine Selenosemicarbazone
Conde Amiano, Alejandro; López Castro, Amparo; Márquez Delgado, Rafael (International Union of Crystallography, 1972)The structure of 2-formylpyridine selenosemicarbazone, SeN4CTH8, has been determined from threedimensional X-ray photographic ...
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Artículo
The Crystal and Molecular Structure of 4-Formylimidazoline-2-thione
Conde Amiano, Alejandro; Moreno, E.; Márquez Delgado, Rafael (International Union of Crystallography, 1977)The title compound is monoclinic, space group P2 Jc, with a = 4.020 (4), b = 21.491(3), c = 7-410 (4) ,4,, fl = 124.1 (5) ...
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Artículo
The Crystal Structure and Molecular Conformation of 3,7-Dichlorophenoselenazine
Bernier, F.; Conde Amiano, Alejandro; Márquez Delgado, Rafael (International Union of Crystallography, 1974)The crystal structure of SeC12NCI2H7 has been solved by Patterson and Fourier methods and refined to an R of 7-5 % by ...
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Artículo
The Structure of l-Phenyl-4,5-(l,2-D-glucofurano)imidazolidin-2-one
Conde Amiano, Alejandro; Bernier, F.; Márquez Delgado, Rafael (International Union of Crystallography, 1980)The crystal structure of Cl3Ht6N20 5 has been solved by direct methods. Crystal data are a -- 9.033 (1), b -- 10.097 ...
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Artículo
Uso de la espectroscopía Raman en la determinación de fases en Y-PSZ monocristalino
Márquez Delgado, Rafael; Domínguez Rodríguez, Arturo; Martínez Fernández, Julián; Jiménez Melendo, Manuel (1991)Se ha estudiado la estabilidad de la fase tetragonal en monocristales de Zr02 parcialmente estabilizados con 3,4; 4,7 y ...
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Artículo
X-ray Structure and Molecular-Packing Analysis of a Glucofuranosoimidazolidine- 2-thione
Estrada de Oya, María Dolores; Conde Amiano, Alejandro; Márquez Delgado, Rafael (International Union of Crystallography, 1986)1-(4-Bromophenyl)-3-ethyl-(3,5,6-tri-Oacetyl- 1,2-dideoxy-~t-L-glucofuranoso)[2,1-d]imidazolidine- 2-thione,* C21H25BrN2OTS, ...
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Artículo
X-Ray Structure and Molecular-Packing Analysis of Artemetin
Estrada de Oya, María Dolores; Conde Amiano, Alejandro; Márquez Delgado, Rafael; Jiménez Garay, Rafael (International Union of Crystallography, 1987)5-Hydroxy-3,3' ,4',6,7-pentamethoxyflavone (flavone is 2-phenyl-4H-1-benzopyran-4-one ), C20H20- 08, M,= 388·4, monoclinic, ...
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Artículo
X-ray Structure and Molecular-Packing Analysis of l'-(p-Bromophenyl)-3'-ethyl- 1 ',3 ',4',5 '-tetrahy dro- 1,2-dideo xy-D-glycero-ot-D-galacto-heptofuranoso[ 2, l-d]imidazole- 2'-thione Monohydrate
Conde Amiano, Clara Francisca; Millán, M.; Conde Amiano, Alejandro; Márquez Delgado, Rafael (International Union of Crystallography, 1985)6- (p-Bromophenyl)-4-ethyl-3-hydroxy-2- (1,2,3-trihydroxypropyl)-2,3,3 a,5,6,6 a-hexahydrofuro- [2,3-d]imidazole-5(4H)-thione ...