Now showing items 1-10 of 18
The total synthesis and anti-fertility activity of 6-silasteroids
(Elsevier: Tetrahedron, 1975)
4,4-Dimethyl-6-methoxy-4-sila-1-tetralone (2) was prepared by a modified literature procedure and converted to 3-methoxy-6,6-dimethyl-6-silaestra-1,3,5(10),8,14-pentaen-17β-yl acetate (5c). Catalytic hydrogenation of 5c ...
Origins of high sequence selectivity: a stopped-flow kinetics study of DNA/RNA hybridization by duplex- and triplex-forming oligonucleotides
(The American Chemical Society: Biochemistry, 1995-08-01)
Stopped-flow UV kinetics and thermal denaturation experiments are used to examine the origins of high sequence selectivity and binding affinity of circular triplex-forming oligonucleotides with single-stranded DNA/RNA ...
Characterization of dipyridophenazine complexes of ruthenium( 11): the light switch effect as a function of nucleic acid sequence and conformation
(The American Chemical Society: Biochemistry, 1992-11-10)
Spectroscopic parameters for two novel ruthenium complexes on binding to nucleic acids of varying sequences and conformations have been determined. These complexes, R~(bpy)~dppz~+ and Ru(phen)2dppz2+ (bpy = 2,2’-bipyridine; ...
Stepwise mechanism for oxidative addition of bromine to organoselenium(II) and organotellurium(II) compounds
(The American Chemical Society: Organometallics, 1994-08)
The oxidative-addition reactions of bromine (5 x 10(-4) or 5 x 10(-5) M) to phenyl selenide (1), phenyl telluride (2), 2,6-di-tert-butylselenopyran-4-one (3), 2,6-di-tert-butyltelluropyran-4-one (4), 2,6-diphenyltelluropyran-4-one ...
Pressure effects on the photophysical properties of the platinum(II) dimer Pt2(POP)44- (POP = .mu.-.eta.2-H2P2O52-) and related d8-d8 dinuclear complexes in solution
(The American Chemical Society: Journal of Physical Chemistry, 1988-06-30)
The effect of hydrostatic pressure (0.1-300 MPa) upon phosphorescence lifetimes in fluid solution has been examined for four dinuclear d8-d8 transition-metal complexes: A, Pt2(POP)44- (POP = u-n2-H2P2O52-); B, Rh2(br)42+ ...
Photoreactions of the triruthenium cluster Ru3(CO)12 and substituted analogs
(The American Chemical Society: Journal of the American Chemical Society, 1986-04-16)
Reported is a comprehensive investigation of the medium, ligand, and wavelength effects on the quantum yields and flash photolysis kinetics for the photofragmentation and photosubstitution reactions of the trinuclear ...
Apparent cytochrome gene dose effects in F-lac and F-gal heterogenotes of Escherichia coli.
(Elsevier: Archives of Biochemistry and Biophysics, 1972-06)
The levels of b- and c-type cytochromes and cytochromes a1 and a2 are elevated in a partial diploid strain of E. coli carrying the F2-gal episome under a variety of different growth conditions. Only the levels of b- and ...
Photoreactions of docosylcarbonyloctairidate(2-). Homolytic cleavage of an unsupported metal-metal bond linking two tetrahedral iridium carbonyl clusters
(The American Chemical Society: Inorganic Chemistry, 1988-02-28)
Photoisomerization of the ruthenium cluster HRu3(CO)10(.mu.-COCH3), an unprecedented oxygen-to-carbon alkyl migration
(The American Chemical Society: Journal of the American Chemical Society, 1986-11-26)
Positive halogens from halides and hydrogen peroxide with organotellurium catalysts
(The American Chemical Society: Journal of the American Chemical Society, 1996-01-17)
The oxidations of sodium bromide, sodium chloride, and sodium iodide to positive halogen with hydrogen peroxide in two-phase systems of dichloromethane and pH 6 phosphate buffer were catalyzed by organotellurium catalysts ...