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issue	22
is Is Part Of of	Artificial allosteric systems. 4. T/R Characterization of an artificial allosteric system by resonance Raman spectroscopy and oxygen or carbon monoxide affinity Interactivity of chiral catalysts and chiral auxiliaries in the cycloaddition of activated dienes with aldehydes: a synthesis of L-glucose Photolysis of (cyclopentadienyl)- and (pentamethylcyclopentadienyl)tricarbonylhydridometal complexes of tungsten and molybdenum in dihydrogen-containing matrixes: evidence for adducts of molecular hydrogen New polyheterocyclic 4n.pi.-electron dianions. Paratropicity, charge delocalization, and reactions Ynol silyl ethers via O-silylation of ester-derived ynolate anions Increase in the C:N stretching frequency upon complexation of trans-retinylidenebutylamine with general Lewis acids Masthead Mechanisms of arene exchange in (arene)tricarbonylchromium compounds: intermolecular and intramolecular exchanges in complexes of propenylbenzene, stilbenes, and 1,1-diphenylethylene One-step stereochemical determination of four contiguous acyclic chiral centers on a steroidal side chain: a novel synthesis of brassinolide Bonding in the first-row transition-metal monocarbonyl molecules Models for reactions of acetylene on platinum(111): the vinylidene intermediate Cyclic voltammetry study of the cation-radical-catalyzed oxygenation of tetraalkyl olefins to dioxetanes Electron diffraction investigation of pseudorotation in 1,3-dioxolanes Novel spin-spin splitting and relaxation effects in the proton NMR spectra of sodium salicylate in viscoelastic micelles Enantioselective conjugate addition of rationally designed chiral cuprate reagents to 2-cycloalkenones Carbon acidity. 71. The indicator scale of lithium ion pairs in tetrahydrofuran Carbon-13 NMR studies of chemical-shielding tensors and molecular motion in Meldrum's acid in the solid state Oscillations and bistability in the copper(II)-catalyzed reaction between hydrogen peroxide and potassium thiocyanate Microwave spectrum, structure, and quadrupole coupling constants of N-chloro-N-methylmethanamine Isolation and structural characterization of the solvated lithium salts of the Group VA (15) anions [EPh2]- (E = nitrogen, phosphorus, arsenic or antimony) and [Sb3Ph4]- Asymmetric synthesis of isoquinoline alkaloids by homogeneous catalysis Jack bean urease (EC 3.5.1.5) VIII. On the inhibition of urease by amides and esters of phosphoric acid Bis(.eta.6-Hexamethylbenzene)[.eta.4,.eta.6-[24](1,2,4,5)cyclophane]diruthenium(0,II) bis(tetrafluoroborate). A novel mixed-valence ion (class II) exhibiting a net two-electron intervalence transfer Synthesis of (.+-.)-fredericamycin A Importance of the timing of bond breaking and bond making in acetal templates. Enantiodivergent synthesis of steroidal side chains Intramolecular carbon-hydrogen bond activation in aqueous solution: preparation of a unique cobalt(III)-alkyl complex by deprotonation of an agostic intermediate. Crystal structure of [Co(III)(dacoda-C(2))(H2O)].cntdot.2H2O Proton NMR probes of the binuclear iron cluster in hemerythrin Comparison of the photochemical and photophysical properties of clays, pillared clays, and zeolites Incorporation of neutral molecules into alkali halides (salting). Room-temperature composites from normally immiscible components and room-temperature matrix isolation Actinomycin D binding to oligonucleotides with 5'd(GCGC)3' sequences. Definitive proton and phosphorus-31 NMR evidence for two distinct d(GC) 1:1 adducts and for adjacent site binding in a unique 2:1 adduct Activation parameters for the additions of arylhalocarbenes to alkenes Electronic structure of cyclic bicalicenes Fourier transform infrared vibrational circular dichroism of matrix-isolated molecules Additions and Corrections. Electronic Structure Factors of Carbon-Hydrogen Bond Activation. The Photoelectron Spectroscopy of (Cyclohexenyl) manganese Tricarbonyl Molecular hydrogen complexes of the transition metals. 4. Preparation and characterization of M(CO)3(PR3)2(.eta.2-H2) (M = molybdenum, tungsten) and evidence for equilibrium dissociation of the H-H bond to give MH2(CO)3(PR3)2 Isotopically sensitive branching and its effect on the observed intramolecular isotope effects in cytochrome P-450 catalyzed reactions: a new method for the estimation of intrinsic isotope effects ENDOR spectra of aminoxyls. Conformational study of alkyl and aryl spin adducts of deuterated .alpha.-phenyl-N-tert-butyl nitrone (PBN) based on proton and .beta.-carbon-13 hyperfine splittings Small-ring cyclic alkynes: ab initio molecular orbital study of cyclopentyne Luminescence from nitrido complexes of osmium(VI). Evidence for a nontotally symmetric excited-state distortion Phosphine oxides as NMR probes for adsorption sites on surfaces Reactions of gas phase dipositive titanium ions with alkanes Energy requirement for remote charge site ion decompositions and structural information from collisional activation of alkali metal cationized fatty alcohols Molecular environment effects on the reactivity of porphyrins. Influence of basket-handle superstructures on the formation of five-coordinated complexes of iron(II) with neutral nitrogen bases Bis-benzimidazole-appended binucleating porphyrin ligands: synthesis, characterization, and x-ray structure NMR studies of the binding of sodium and calcium ions to the bile salts glycocholate and taurocholate in dilute solution, as probed by the paramagnetic lanthanide dysprosium Metal-ion coordination in copper and nickel reconstituted hemoglobins Identification of the altered pyrrole in sulfmyoglobin and an extractable sulfhemin: participation of the 4-vinyl group in the saturation of the pyrrole in one form of sulfmyoglobin Synthesis of tricyclo[3.3.1.03,7]non-3(7)-ene, a highly pyramidalized olefin Effect of aqueous solvation upon the electronic excitation spectrum of the glycine zwitterion: a theoretical CI study using a fractional charge model Structural control of the triplet-singlet equilibrium in cyclophane diarylcarbenes Unusual magnetic properties of the adduct of copper chloride with 2-phenyl-4,4,5,5-tetramethylimidazoline-1-oxyl 3-oxide Crystal structure of thiamine thiazolone: a possible transition-state analog with an intramolecular N-H.cntdot..cntdot..cntdot.O hydrogen bond in the V form Identification of the alkaline-labile product accompanying cytosine release during bleomycin-mediated degradation of d(CGCGCG) Additions and Corrections: Synthesis and Reactivity of the Bridging Thiocarbyne Radical, Cp2Fe2(CO)2(μ-CO)(μ-CSMe) Electrophilic reactivity of the triphenylmethyl carbocation in aqueous solutions Conformational analysis. 10. Ethane-1,2-dithiol. Electron-diffraction investigation of the molecular structure, conformational composition, and anti-gauche energy and entropy differences. Evidence for an intramolecular SH.cntdot..cntdot..cntdot.S hydrogen bond Electron-density studies of porphyrins and phthalocyanines. Electronic ground state of iron(II) tetraphenylporphyrin bis(tetrahydrofuran) The chemistry of alkyl thiosulfinate esters. 9. Antithrombotic organosulfur compounds from garlic: structural, mechanistic, and synthetic studies Metal-atom reactions with methane. Boron, aluminum, gallium, and indium atoms and dimers Additions and Corrections. Epoxy Silyl Ether Rearrangements: A New, Stereoselective Approach to the Synthesis of β-Hydroxy Carbonyl Compounds Generation and trapping of alkynolates from alkynyl tosylates: formation of siloxyalkynes and ketenes Chemistry of metal hydrides. 27. Kinetic and ESR studies of acetylene insertion reactions with platinum(II) dihydrides and the crystal structure determination of trans-PtH[P(tert-Bu)2Bu]2(CH3O2CC:CHCO2CH3) Concave functionality: design of a phenol sticky host Book Reviews Isomerization of polyacetylene films of the Shirakawa type - spectroscopy and kinetics Thermodynamic fitness of molybdenum(IV,VI) complexes for oxygen-atom transfer reactions, including those with enzymic substrates Anatomy of an SN1 reaction. Crystal structure-reactivity correlations for 1-arylethanol derivatives Phototransformed bleomycin antibiotics. Structure and DNA cleavage activity A comment on the recently proposed mechanism for the oxidation of olefins with PdCl(NO2)(MeCN)2

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