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Resonance Raman spectra of octaethylporphyrinato‐Ni(II) and meso‐deuterated and 15N substituted derivatives. I. Observation and assignments of nonfundamental Raman lines
High resolution resonance Raman spectra of octaethylporphyrinato‐Ni(II) [Ni (OEP)], its meso‐deuterated and 15N substituted derivatives were measured. With excitation near the O–1 transition, aboutExpand
Recognition of α-amino acid esters by zinc porphyrin derivatives via coordination and hydrogen bonding interactions. Evidence for two-point fixation from thermodynamic and induced circular dichroism
Association constants between [trans-5,15-bis(2-hydroxy- 1-naphthyl)-2,3,7,8,12,13,17,18-octaethylporphyrinato] zinc(II) (1) and a series of α-amino acid esters (RCHNH 2 CO 2 CH 3 ) were determinedExpand
Normal‐Coordinate Analyses of Hydrogen‐Bonded Compounds. V. The Enol Forms of Acetylacetone and Hexafluoroacetylacetone
The infrared spectra of the enol forms of acetylacetone, hexafluoroacetylacetone, and their deutero analogs have been measured from 4000 to 70 cm−1. Normal‐coordinate analyses have been carried outExpand
Silicic Acid Polymerization Catalyzed by Amines and Polyamines
Polymerization and subsequent gelation of silicic acid in water were catalyzed by amines and polyamines. Particularly effective were poly(allylamine), poly(lysine), and poly(arginine), which promotedExpand
Axial chirality induction in flexible biphenols by hydrogen bonding and steric interactions
Abstract Chiral induction in biphenols was studied as a model for intermolecular information transmission. Upon complexation with chiral trans -1,2-cyclohexanediamines (C 6 H 10 (NHR) 2 , R = H, CH 3Expand
SYNTHESIS AND PROPERTIES OF DIAMINOCYCLOPROPENYLIDENE TRANSITION METAL COMPLEXES
Neutral and cationic diaminocyclopropenylidene complexes of palladium (II) and platinum (II), trans-X2-μ-X2M2II(C3(NR2)2)2, (2; M=Pd, 3; M=Pt) , cis-R3′PX2MIIC3(NR2)2 (4; M=Pd), and [trans-(R3′P)2Expand
Ligand-aided photoreduction of iron-porphyrin complexes probed by resonance Raman spectroscopy
Photoreduction has been observed for the first time for an iron porphyrin with a biologically relevant axial ligand by using resonance Raman (RR) spectroscopy (for Fe/sup III/(OEP)(2-MeIm), OEP =Expand
Selectivity of adsorption of organic ammonium ions onto smectite clays
Ion exchange of sodium or calcium in smectite clays with several diammonium cations was investigated in water, dimethyl sulfoxide (Me 2 SO), and acetonitrile (MeCN). Selectivity of adsorption toExpand
Orientation of electrophilic meso-substitution in metallooctaethylporphyrins
Abstract Nitration of octaethylporphyrin with Zn(NO 3 ) 2 , 6H 2 O in acetic anhydride yields mono-, di-, tri- and tetranitrooctaethylporphyrinatozinc(II). Vilsmeier reaction of copper(II),Expand
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