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issue	24
is Is Part Of of	Photochemistry of 3,5-dicarboalkoxypyridines. Reduction and rearrangement 1,4-Dimethyl-1,4,5,6-tetrahydro-1,2,3,4-tetrazine. Cyclic cis-2-tetrazene Structural characterization of an anhydropenicillin and its stereochemical relation to penicillins .alpha.-Chymotrypsin and rigid substrates. Reactivity of some p-nitrophenyl 1,2,3,4-tetrahydro-2-naphthoates and indan-2-carboxylates Proton coupling constants in methycyclopentadienes Structure of a new isopolymolybdate-cyclophosphazene complex Symmetry selection rules for transition states Copper(II), nickel(II), and cobalt(II) chelates of 1,3,5,7-tetraketonates. Characterization preliminary magnetic studies on bi- and trinuclear chelates Relative gas-phase basicities of some amines, anilines, and pyridines. Application of some Broensted acids as reactants in chemical ionization mass spectrometry 1-Hydroxy- and 1-oxo[2.2]metacyclophane. Optical resolution and ring rotation Tertiary structure in carboxypeptidase Direct method for determining light intensity dependent rates. Triplet-triplet annihilation in benzophenone Cotton effects of the benzene chromophore in the 300-185-nm spectral region Synthesis of some DE and CDE ring analogs of camptothecin Bredt's rule. V. Bicyclo[3.2.1]oct-1-ene Masthead Molecular dynamics of fluxional molecules in the solid state. Organometallic complexes containing monohapto (.sigma.-bonded) cyclopentadienyl rings Stereochemistry of nucleic acids and their constituents. XXVIII. Crystal and molecular structure of N2-dimethylguanosine. Transfer ribonucleic acid rare nucleoside located at the junction of the anticodon and dihydrouridine arms Raman depolarization ratio and short-range order in liquid crystals Ring inversion in di- and tetrabenzocyclootatetraenes Additions and Corrections - Kinetic Preferences between Equatorial and Axial Hydrogens in the Lithiation of Conformationally Fixed 1,3-Diathianes Additions and Corrections - Preferred Conformations of the Isobutyl, Cyclopropylcarbinyl, and Oxirylcarbinyl Cations, Radicals, and Anions as Determined by Semiempirical Intermediate Neglect of Differential Overlap Calculations Gaseous 3,4-pyridyne and the formation of diazabiphenylene Ligand protonation and rates of ligation with nickel(II) Photocyclization of 1,5-diphenyl-1,4-pentadiene. Simple synthesis of bicyclo[2.1.0]pentanes Organic chemistry of transition metal ligands. I. Duroquinone Reaction of sulfur dioxide with enol ethers Ab initio study of the hydrogen bond in [H3N-H...NH3]+ Calculated and observed electronic transitions in organolithium aggregates Solvent steric effects. III. Molecular and crystal structures of azobisisobutyronitrile and azobis-3-cyano-3-pentane. Structural deuterium isotope effect Dynamics of axial ligation in metalloporphyrins. I. Imidazole exchange in low-spin ferric porphyrins Reactions of oxobis(N,N-dialkyldithiocarbamato) molybdenum(IV) with unsaturated organic molecules and their biochemical implications Additions and Corrections - The Isolation and Characterization of Pure Cyclopropenone Additions and Corrrections - Proof of Structure of Steroid Carboxylic Acids in a California Petroleum by Deuterium Labeling, Synthesis, and Mass Spectrometry Identification of .DELTA.9-tetrahydrocannabinol and metabolites in man Photochemical synthesis of amine complexes containing cobalt(III)-alkyl bonds Photosolvation of benzene. Mechanism of formation of bicyclo[3.1.0]hex-3-en-2-yl and of bicyclo[3.1.0]hex-2-en-6-yl derivatives Properties of atoms in molecules. IV. Atomic charges in some linear polyatomic molecules Reactions of sulfur atoms. XIV. Ab initio molecular orbital calculations on the ethylene episulfide molecule and the S + C2H4 reaction path Preparation and characterization of an inorganic analog for the active site of the reduced 2Fe-S* iron-sulfur proteins Solvolysis of adenine nucleosides. II. Effects of sugars and adenine substituents on alkaline solvolyses Orbital symmetry rules for unimolecular reactions Mechanistic information from pressure and temperature effects on the rate of transfer of oxygen-18 from aquopentaamminechromium(III) and aquopentaamminerhodium(III) ions to solvent water 7-Norbornenyl anions. Evidence for a bishomoantiaromatic system Stereochemical dependence of 15NCH and 13CH coupling constants in oxaziridines Acetylenic bond participation in biogenetic-like olefinic cyclizations. Wagner-Meerwein rearrangement of a linear to a bent vinyl cation Wittig modification of the Hofmann elimination reaction. Evidence for an .alpha.',.beta. mechanism Thermal cis-trans isomerization of butadiene Additions and Corrections - Possible Assignments for the Three Lowest Lying Singlets in Dialkyl Sulfides Additions and Corrections - Stereoselective Synthesis of the C-18 Cecropia Juvenile Hormone Additions and Corrections - Neopentyl Displacement Reactions without Rearrangements Additions and Corrections - Optically Active Aromatic Chromophores. XI. Circular Dichroism Studies of Some 1-Substituted 2-Phenyl-cyclohexanes Dimer alkaloid of 6,7.beta.-oxidodeoxynupharidine Fluxional nature of benzo- and naphthocyclooctatetraeneiron carbonyl complexes Conformation of derivatives of 2,2,5,5-tetramethylcyclohexane-1,3-dione Additions and Corrections - Stereochemistry of the Photochemical Diels-Alder Reaction Molecular orbital studies on hexagonal ice Example of mechanistic similarity between oxidative addition and classical donor coordination Synthesis of oligothymidylates and nucleoside cyclic phosphates by oxidation-reduction condensation Degradation of alkyl(pyridine)cobaloximes to derivatives of imidazo[1,2-.alpha.]pyridine Total synthesis of Cephalotaxus alkaloids New 10- and 11-atom polyhedral metallocarboranes prepared by polyhedral contraction Solvolysis of adenine nucleosides. I. Effects of sugars and adenine substituents on acid solvolyses Carbon-13 nuclear magnetic resonance studies. XXV. Carbon-13 nuclear magnetic resonance as a monitor for anionic exchange processes. Remote epimerization via homoenolate ions and aryl D exchange Structural index for elemental solids Reactivity of hydrocarbon-iodine complexes in the solid state at very high pressure Cesium tetrachlorocuprate. Structure, crystal forces, and charge distribution Formation of alkenes in the pyrolysis and photolysis of 1,2-bis(phenylthio)ethanes Empirical rules for estimating the reduction potential of .alpha.,.beta.-unsaturated carbonyl compounds Cyanoborane chemistry. I. Preparation of a novel series of macrocyclic cyanoboranes Total synthesis of (+-)-camptothecin Proton and phosphorus-31 nuclear magnetic resonance evidence for the existence of 1,2-diphenyldiphosphine in equilibrium with phenylphosphine and pentaphenylcyclopentaphosphine Anomalous kinetic hydrogen isotope effects on the rat of ionization of some dialkyl substituted ketones Effect of potentially coordinating amino acid side chains on the cobalt(III) promoted hydrolysis of peptide and esters containing trifunctional amino acids 2-Norbornyl anion. Selectivity in exo-endo proton capture Formation of tin-Group III metal-metal bonded derivatives and their nuclear magnetic resonance spectra Steroidal antibiotics. Total synthesis of the fusidic acid tetracyclic ring system N-Chloro-N-lithioaniline. Generation and characterization of a nitrenoid Thermodynamics of acid-base equilibriums. IV. Influence of solvation factors on acidity. Volumes of ionization (.DELTA.Vi0) of the m- and p-isomers of nitrophenol and formylphenol in water at 25.deg. Additions and Corrections - Pyrolytic Conversion of Bicyclo[4.2.0]octatrienes to Cyclooctatetraenes. The Tetracyclo[3.2.0.02,8.05,7]ooctene Pathway of Thermal Bond Reorganization Generalized valence bond description of simple alkanes, ethylene, and acetylene Allylcarbinyl-cyclopropylcarbinyl norbornenyl-nortricyclyl anion rearrangement. Evidence for a symmetrical intermediate Carbon-13 nuclear magnetic resonance studies. XXIV. Deuterium labeling as a probe for signal assignments and mechanistic studies by nuclear magnetic resonance. Cationic rearrangements in polycyclic systems Additive nature of group enthalpies of transfer from methanol to N,N-dimethylformamide Additions and Corrections - Oxygen-17 Nuclear Magnetic Resonance Studies of Aqueous Nickel Ion Carbon-13-carbon-13 coupling constants. V. Ethyl, isopropyl and tert-butyl compounds Application of strain energy minimization to the dynamics of conformational changes Preparation and diazotization of thioanthranilic acid. Chemistry of 4-oxo-3,4-dihydro-3,1,2-benzothiadiazine Carbon-13 nuclear magnetic resonance of biologically important aromatic acids. I. Chemical shifts of benzoic acid and derivatives Synthesis of 11-hydroxy-.DELTA.9-tetrahydrocannabinol and other physiologically active metabolites of .DELTA.8- and .DELTA.9-tetrahydrocannabinol Unusually strong intramolecular interaction between the sulfone or sulfoxide and the alkoxide functions Unsaturated macrocyclic compounds. XCV. Thermolysis of [18]annulene Additions and Corrections - The Proton Magnetic Resonance Spectra of Olefins. V. 3-Chloro- and 3-Methoxypropenes Book Reviews

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