All articles by Jon Songstad

66 articles

Articles in volume 16 (1962)

Decomposition of Triphenyl Phosphine Oxide in Alcoholic Alkaline Solution.

Aksnes, Gunnar; Songstad, Jon

Pages: 507-508.

DOI number: 10.3891/acta.chem.scand.16-0507
Download as: PDF DjVu

Kinetic Study of the Reaction between Phosphonium Compounds and Hydroxyl respectively Alkoxide Ions.

Aksnes, Gunnar; Songstad, Jon

Pages: 1426-1432.

DOI number: 10.3891/acta.chem.scand.16-1426
Download as: PDF DjVu

Articles in volume 18 (1964)

Hydrogen Bonding and Ionization of Methylene Hydrogen Adjacent to Carbonyl and Onium Groups.

Aksnes, Gunnar; Songstad, Jon

Pages: 655-661.

DOI number: 10.3891/acta.chem.scand.18-0655
Download as: PDF DjVu

Articles in volume 19 (1965)

Hydrogen Bonding and Ionization of Trialkylamine Hydrobromides Containing a Phosphoryl Substituent in One of the Alkyl Groups.

Aksnes, Gunnar; Songstad, Jon

Pages: 888-892.

DOI number: 10.3891/acta.chem.scand.19-0888
Download as: PDF DjVu

Alkaline Hydrolysis of Diethyl Esters of Alkylphosphonic Acids and Some Chloro-substituted Derivatives.

Aksnes, Gunnar; Songstad, Jon

Pages: 893-897.

DOI number: 10.3891/acta.chem.scand.19-0893
Download as: PDF DjVu

Articles in volume 21 (1967)

The Reaction between Sodium Diethylphosphite and Some omega-Chloroalkanols-1.

Songstad, Jon

Pages: 1681-1685.

DOI number: 10.3891/acta.chem.scand.21-1681
Download as: PDF DjVu

Articles in volume 24 (1970)

Isonitriles from Alkyl Halides and Onium Dicyanoargentates.

Songstad, Jon; Stangeland, Leiv J.; Austad, Tor

Pages: 355-356.

DOI number: 10.3891/acta.chem.scand.24-0355
Download as: PDF DjVu

Proton Chemical Shifts in Some Benzhydryl Compounds.

Stangeland, Leiv J.; Songstad, Jon

Pages: 356-358.

DOI number: 10.3891/acta.chem.scand.24-0356
Download as: PDF DjVu

A Study on the Selenocyanate and Thiocyanate Ions in Acetonitrile: Effects of Cations.

Songstad, Jon; Stangeland, Leiv Jonn

Pages: 804-808.

DOI number: 10.3891/acta.chem.scand.24-0804
Download as: PDF DjVu

Articles in volume 25 (1971)

Stable Salts of the Tellurocyanate Ion.

Austad, Tor; Songstad, Jon; Åse, Kjell

Pages: 331-333.

DOI number: 10.3891/acta.chem.scand.25-0331
Download as: PDF DjVu

The Diisocyanatoargentate Ion.

Austad, Tor; Songstad, Jon; Åse, Kjell

Pages: 1136-1138.

DOI number: 10.3891/acta.chem.scand.25-1136
Download as: PDF DjVu

The Ambident Nature of the Cyanide Ion. The Reaction between Trityl Chloride and Tetraphenylarsonium Cyanide in Acetonitrile.

Austad, Tor; Songstad, Jon; Stangeland, Leiv J.

Pages: 2327-2336.

DOI number: 10.3891/acta.chem.scand.25-2327
Download as: PDF DjVu

The Nucleophilicity of the Cyanate Ion.

Austad, Tor; Engemyr, Lars B.; Songstad, Jon

Pages: 3535-3536.

DOI number: 10.3891/acta.chem.scand.25-3535
Download as: PDF DjVu

Articles in volume 26 (1972)

The Isomerization of Trityl Isonitrile to Trityl Cyanide in Acetonitrile: Effect of Anions.

Austad, Tor; Songstad, Jon

Pages: 3141-3147.

DOI number: 10.3891/acta.chem.scand.26-3141
Download as: PDF DjVu

Symbiotic Effects in Nucleophilic Displacement Reactions at Aliphatic Carbon in Acetonitrile.

Engemyr, Lars B.; Songstad, Jon

Pages: 4179-4180.

DOI number: 10.3891/acta.chem.scand.26-4179
Download as: PDF DjVu

Articles in volume 27 (1973)

The Determination of Hydrogen Basicities in Acetonitrile. p-Nitrobenzyl Triphenylphosphonium Perchlorate as Reference Acid.

Vikane, Olav; Songstad, Jon

Pages: 421-428.

DOI number: 10.3891/acta.chem.scand.27-0421
Download as: PDF DjVu

The Adduct between Triphenyl Phosphine and Triphenyl Phosphine Telluride. A Tellurium(0) Compound.

Austad, Tor; Rød, Terje; Åse, Kjell; Songstad, Jon; Norbury, A. Hugh

Pages: 1939-1949.

DOI number: 10.3891/acta.chem.scand.27-1939
Download as: PDF DjVu

Alkylation Reactions of the Tellurocyanate Ion.

Austad, Tor; Esperås, Steinar; Songstad, Jon

Pages: 3594-3596.

DOI number: 10.3891/acta.chem.scand.27-3594
Download as: PDF DjVu

The Reaction between Triphenylmethyl Isoselenocyanate and Tervalent Phosphorus Compounds. A Kinetic Study.

Stangeland, Leiv J.; Austad, Tor; Songstad, Jon

Pages: 3919-3928.

DOI number: 10.3891/acta.chem.scand.27-3919
Download as: PDF DjVu

Articles in volume 28a (1974)

Isocyanides from Alkyl Halides and Onium Dicyanoargentates. Scope and Mechanism.

Engemyr, Lars B.; Martinsen, Arve; Songstad, Jon

Pages: 255-266.

DOI number: 10.3891/acta.chem.scand.28a-0255
Download as: PDF DjVu

Articles in volume 29a (1975)

The Electrophilic Nature of Triarylmethyl Substrates in Acetonitrile.

Martinsen, Arve; Austad, Tor; Songstad, Jon

Pages: 661-671.

DOI number: 10.3891/acta.chem.scand.29a-0661
Download as: PDF DjVu

Articles in volume 30a (1976)

Alkylation Reactions of Triphenylphosphine and Triphenylarsine. A Kinetic Study.

Thorstenson, Tore; Songstad, Jon

Pages: 724-730.

DOI number: 10.3891/acta.chem.scand.30a-0724
Download as: PDF DjVu

Alkylation Reactions of Tris(dialkylamino)phosphines. A Kinetic Study.

Thorstenson, Tore; Songstad, Jon

Pages: 781-786.

DOI number: 10.3891/acta.chem.scand.30a-0781
Download as: PDF DjVu

Articles in volume 31a (1977)

Preparation of Tetramethylammonium Selenosulfate. Infrared and Raman Spectra of Tetramethylammonium Selenosulfate and Thiosulfate.

Klæboe, Peter; Martinsen, Arve; Songstad, Jon

Pages: 56-62.

DOI number: 10.3891/acta.chem.scand.31a-0056
Download as: PDF DjVu

The Effect of 4-Methyl and 4-Nitro Substituents on the Reactivity of Benzylic Compounds.

Thorstenson, Tore; Eliason, Robert; Songstad, Jon

Pages: 276-280.

DOI number: 10.3891/acta.chem.scand.31a-0276
Download as: PDF DjVu

Preparation and Properties of Some Bis(triphenylphosphine)iminium Salts, [(Ph3P)2N]X.

Martinsen, Arve; Songstad, Jon

Pages: 645-650.

DOI number: 10.3891/acta.chem.scand.31a-0645
Download as: PDF DjVu

The Vibrational Spectra and Force Constants of the Tellurocyanate Ion (TeCN-).

Klæboe, Peter; Nielsen, Claus J.; Songstad, Jon

Pages: 884-886.

DOI number: 10.3891/acta.chem.scand.31a-0884
Download as: PDF DjVu

Articles in volume 32a (1978)

Reactions of 2-Substituted 1-Phenylethanones. 1. Nucleophilicity, Leaving Group Ability and Carbon Basicity of Cl-, Br-, SCN- and SeCN- in Acetonitrile.

Thorstenson, Tore; Songstad, Jon

Pages: 133-139.

DOI number: 10.3891/acta.chem.scand.32a-0133
Download as: PDF DjVu

Structural Studies on the Phosphorus--Nitrogen Bond. I. The Crystal Structure of Tris(morpholino)phosphine and Tris(piperidino)phosphine.

Rømming, Christian; Songstad, Jon

Pages: 689-699.

DOI number: 10.3891/acta.chem.scand.32a-0689
Download as: PDF DjVu

Articles in volume 33a (1979)

Structural Studies on the Phosphorus-Nitrogen Bond. II. The Crystal Structure of Tris(morpholino)phosphine Selenide, Tris(piperidino)phosphine Selenide and Tris(dimethylamino)phosphine Selenide.

Rømming, Christian; Songstad, Jon

Pages: 187-197.

DOI number: 10.3891/acta.chem.scand.33a-0187
Download as: PDF DjVu

Articles in volume 34a (1980)

Structural Studies on the Phosphorus--Nitrogen Bond. III. The Crystal Structure of Tris(morpholino)phosphine Telluride. The Tellurium Basicity of Tervalent Phosphorus Species.

Rømming, Christian; Iversen, Arve J.; Songstad, Jon

Pages: 333-342.

DOI number: 10.3891/acta.chem.scand.34a-0333
Download as: PDF DjVu

Structural Studies on the Phosphorus--Nitrogen Bond. IV. The Crystal Structure of Tris(morpholino)arsine. A Comparison with the Crystal Structure of Tris(morpholino)phosphine.

Rømming, Christian; Songstad, Jon

Pages: 365-373.

DOI number: 10.3891/acta.chem.scand.34a-0365
Download as: PDF DjVu

Structural Studies on the Phosphorus--Nitrogen Bond. V. The Crystal Structure of 4-Nitrobenzyl Tris(morpholino)phosphonium Perchlorate and 4-Nitrobenzyl Tris(piperidino)phosphonium Perchlorate.

Rømming, Christian; Songstad, Jon

Pages: 631-637.

DOI number: 10.3891/acta.chem.scand.34a-0631
Download as: PDF DjVu

The Solution Properties of Bis(triphenylphosphine)iminium Salts. I. Conductance and Surface Tension Studies.

Palmesen, Terje; Høiland, Harald; Songstad, Jon

Pages: 739-747.

DOI number: 10.3891/acta.chem.scand.34a-0739
Download as: PDF DjVu

Articles in volume 35a (1981)

13C NMR Studies on Some Tris(dialkylamino)phosphines, Tris(dialkylamino)phosphine Chalcogenides and Tris(dialkylamino)arsines.

Bergesen, Knut; Pedersen, Bjørn; Songstad, Jon

Pages: 147-149.

DOI number: 10.3891/acta.chem.scand.35a-0147
Download as: PDF DjVu

4-Nitrobenzyl Tellurocyanate. Preparation and Crystal Structure.

Maartmann-Moe, Knut; Sanderud, Knut A.; Songstad, Jon

Pages: 151-153.

DOI number: 10.3891/acta.chem.scand.35a-0151
Download as: PDF DjVu

The Solution Properties of Bis(triphenylphosphine)iminium Salts. II. Partial Molal Volume and Compressibility Studies.

Palmesen, Terje; Høiland, Harald; Songstad, Jon

Pages: 599-605.

DOI number: 10.3891/acta.chem.scand.35a-0599
Download as: PDF DjVu

The Solution Properties of Bis(triphenylphosphine)iminium Salts. III. Osmotic and Activity Coefficients of [PNP]-salts in Aqueous Solution.

Palmesen, Terje; Høiland, Harald; Songstad, Jon

Pages: 803-809.

DOI number: 10.3891/acta.chem.scand.35a-0803
Download as: PDF DjVu

Articles in volume 36a (1982)

Structural Studies on the Sulfur--Nitrogen Bond. I. The Crystal Structure of Bis(morpholino)sulfide.

Rømming, Christian; Nevstad, Gunnar O.; Songstad, Jon

Pages: 399-405.

DOI number: 10.3891/acta.chem.scand.36a-0399
Download as: PDF DjVu

Structural Studies on the Sulfur--Nitrogen Bond. II. The Crystal Structure of Tris(morpholino)sulfonium Tetraphenylborate. A Comparison with the Structure of Tris(morpholino)phosphine.

Rømming, Christian; Nevstad, Gunnar O.; Songstad, Jon

Pages: 407-415.

DOI number: 10.3891/acta.chem.scand.36a-0407
Download as: PDF DjVu

Structural Studies on the Phosphorus--Nitrogen Bond. VI. The Crystal Structure of Tris(morpholino)phosphine Oxide.

Rømming, Christian; Songstad, Jon

Pages: 665-671.

DOI number: 10.3891/acta.chem.scand.36a-0665
Download as: PDF DjVu

Structural Studies on the Phosphorus--Nitrogen Bond. VII. The Crystal Structure of P,P-Dimorpholinophenylphosphine Selenide and P,P-Diphenylmorpholinophosphine Selenide.

Maartmann-Moe, Knut; Rømming, Christian; Songstad, Jon

Pages: 757-765.

DOI number: 10.3891/acta.chem.scand.36a-0757
Download as: PDF DjVu

The Crystal Structure of Bis(triphenylphosphine)iminium Halocyano-4-nitrobenzyltellurates(II), [PNP][4-NO2-PhCH2Te(CN)X], X = Cl, Br and I.

Maartmann-Moe, Knut; Songstad, Jon

Pages: 829-839.

DOI number: 10.3891/acta.chem.scand.36a-0829
Download as: PDF DjVu

Articles in volume 36b (1982)

Reactions of Benzylic Compounds. Nucleophilicity, Leaving Group Ability and Carbon Basicity of some Ionic Nucleophiles in Acetonitrile. Comments on the Utility of the Finkelstein Reaction in Synthesis.

Maartmann-Moe, Knut; Sanderud, Knut A.; Songstad, Jon

Pages: 211-223.

DOI number: 10.3891/acta.chem.scand.36b-0211
Download as: PDF DjVu

Articles in volume 37b (1983)

Solvent Properties of Dichloromethane. 1. The Reactivity of Dichloromethane toward Some Ionic Nucleophiles. Dichloromethane as Solvent for Finkelstein Reactions.

Bekkevoll, Steinar; Svorstøl, Idar; Høiland, Harald; Songstad, Jon

Pages: 935-945.

DOI number: 10.3891/acta.chem.scand.37b-0935
Download as: PDF DjVu

Articles in volume 38a (1984)

The Crystal Structure of 4-Nitrobenzyl Tellurocyanate, 4-Nitrobenzyl Selenocyanate, 4-Nitrobenzyl Thiocyanate and Benzyl Selenocyanate.

Maartmann-Moe, Knut; Sanderud, Knut A.; Songstad, Jon

Pages: 187-200.

DOI number: 10.3891/acta.chem.scand.38a-0187
Download as: PDF DjVu

Structural Studies on the Phosphorus-Nitrogen Bond. VIII. The Crystal Structure of Tris(pyrrolidino)phosphine Selenide and Tris(pyrrolidino)phosphine Telluride.

Rømming, Christian; Maartmann-Moe, Knut; Songstad, Jon

Pages: 349-357.

DOI number: 10.3891/acta.chem.scand.38a-0349
Download as: PDF DjVu

Articles in volume 38b (1984)

Solvent Properties of Dichloromethane. II. The Reactivity of Dichloromethane Toward Amines.

Nevstad, Gunnar O.; Songstad, Jon

Pages: 469-477.

DOI number: 10.3891/acta.chem.scand.38b-0469
Download as: PDF DjVu

Solvent Properties of Dichloromethane. III. Conductivity Studies of some Tetraalkylammonium-, Tetraphenylarsonium- and Bis(triphenylphosphine)iminium Salts in Dichloromethane.

Svorstøl, Idar; Høiland, Harald; Songstad, Jon

Pages: 885-893.

DOI number: 10.3891/acta.chem.scand.38b-0885
Download as: PDF DjVu

Articles in volume 39a (1985)

Structural Studies on the Phosphorus-Nitrogen Bond. IX. The Crystal Structures of Phenacyl Tris(morpholino)phosphonium Bromide Monohydrate and Phenacylidene Tris(morpholino)phosphorane Monohydrate.

Nevstad, Gunnar O.; Maartmann-Moe, Knut; Rømming, Christian; Songstad, Jon

Pages: 523-535.

DOI number: 10.3891/acta.chem.scand.39a-0523
Download as: PDF DjVu

Structural Studies on the Phosphorus-Nitrogen Bond. X. The Crystal Structure of N-(Tris(morpholino)phosphoranylidene)benzamide.

Nevstad, Gunnar O.; Rømming, Christian; Songstad, Jon

Pages: 691-699.

DOI number: 10.3891/acta.chem.scand.39a-0691
Download as: PDF DjVu

Articles in volume 39b (1985)

Solvent Properties of Dichloromethane. IV. Conductivity Studies of Fairly Concentrated Solutions of Tetraalkylammonium-, Tetraphenylarsonium- and Bis(triphenylphosphine)iminium Salts in Dichloromethane.

Svorstøl, Idar; Songstad, Jon

Pages: 639-655.

DOI number: 10.3891/acta.chem.scand.39b-0639
Download as: PDF DjVu

Articles in volume 40a (1986)

The Crystal Structure of the 2-Oxo-2-phenylethyl Esters of Thiocyanic and Selenocyanic Acid (Phenacyl Thiocyanate and Phenacyl Selenocyanate).

Maartmann-Moe, Knut; Nevstad, Gunnar O.; Songstad, Jon

Pages: 182-189.

DOI number: 10.3891/acta.chem.scand.40a-0182
Download as: PDF DjVu

Articles in volume 41b (1987)

Solvent Properties of Dichloromethane. V. Density and Partial Molar Volume of Tetraalkylammonium, Tetraphenylarsonium and Bis(triphenylphosphine)iminium Salts in Dichloromethane.

Svorstøl, Idar; Sigvartsen, Tove; Songstad, Jon

Pages: 318-331.

DOI number: 10.3891/acta.chem.scand.41b-0318
Download as: PDF DjVu

Solvent Properties of Dichloromethane. VI. Dielectric Properties of Electrolytes in Dichloromethane.

Gestblom, Bo; Songstad, Jon

Pages: 396-409.

DOI number: 10.3891/acta.chem.scand.41b-0396
Download as: PDF DjVu

Articles in volume 42b (1988)

Solvent Properties of Dichloromethane. VII. Viscosity Studies of Electrolytes in Dichloromethane.

Svorstøl, Idar; Sigvartsen, Tove; Songstad, Jon

Pages: 133-144.

DOI number: 10.3891/acta.chem.scand.42b-0133
Download as: PDF DjVu

Articles in volume 43 (1989)

Conductometric and Dielectric Behaviour of Solutions of Tetrabutylammonium Perchlorate in Solvents of Low and Medium Permittivity.

Sigvartsen, Tove; Gestblom, Bo; Noreland, Erik; Songstad, Jon

Pages: 103-115.

DOI number: 10.3891/acta.chem.scand.43-0103
Download as: PDF DjVu

Substitution Reactions of 2-Nitrobenzyl Pseudohalides. The Crystal Structure of 2-Nitrobenzyl Tellurocyanate.

Grung, Knut Erik; Rømming, Christian; Songstad, Jon

Pages: 518-526.

DOI number: 10.3891/acta.chem.scand.43-0518
Download as: PDF DjVu

The Conductivity Behaviour of Bis[tri(4-methylphenyl)-phosphine]iminium Chloride in Dilute Aqueous Solution.

Palmesen, Terje; Songstad, Jon

Pages: 763-770.

DOI number: 10.3891/acta.chem.scand.43-0763
Download as: PDF DjVu

Articles in volume 49 (1995)

Preparation and Characterization of Some Cyclometalated Pt(II) Complexes from 2-Phenylpyridine and 2-(2'-Thienyl)pyridine.

Kvam, Per-Inge; Songstad, Jon

Pages: 313-324.

DOI number: 10.3891/acta.chem.scand.49-0313
Download as: PDF DjVu

Spectroscopic and Electrochemical Properties of Some Mixed-Ligand Cyclometalated Platinum(II) Complexes Derived from 2-Phenylpyridine.

Kvam, Per-Inge; Puzyk, Michael V.; Balashev, Konstantin P.; Songstad, Jon

Pages: 335-343.

DOI number: 10.3891/acta.chem.scand.49-0335
Download as: PDF DjVu

Properties of Mixed-Ligand Cyclometalated Platinum(II) Complexes Derived from 2-Phenylpyridine and 2-(2'-Thienyl)pyridine. Voltammetric, Absorption and Emission Studies.

Kvam, Per-Inge; Puzyk, Michael V.; Cotlyr, Vladimir S.; Balashev, Konstantin P.; Songstad, Jon

Pages: 645-652.

DOI number: 10.3891/acta.chem.scand.49-0645
Download as: PDF DjVu

Crystal Structure of cis-C,C-[Carbonylchloro-(2-(2'-thienyl)-pyridinato-C,3N')platinum(II)], [Pt(tpy)(CO)Cl].

Engebretsen, Thoralf; Kvam, Per-Inge; Lindeman, Sergey V.; Songstad, Jon

Pages: 853-855.

DOI number: 10.3891/acta.chem.scand.49-0853
Download as: PDF DjVu

Articles in volume 50 (1996)

Spectroscopic and Electrochemical Properties of Cyclometalated Platinum(II) Compounds Containing cis-1,2-Dicyano-1,2-dithiolatoethene.

Kvam, Per-Inge; Puzyk, Michael V.; Cotlyr, Vladimir S.; Songstad, Jon; Balashev, Konstantin P.

Pages: 6-11.

DOI number: 10.3891/acta.chem.scand.50-0006
Download as: PDF DjVu

Crystal Structures of Bu4N[Pt(ppy)Cl2], Et4N[Pt(tpy)Cl2] and [Pt(ppy)en]Cl (ppy = N,C'-Chelated 2-Phenylpyridinate, tpy = N,C'-Chelated 2-(2'-Thienyl)pyridinate, en = N,N'-Chelated 1,2-Diaminoethane).

Kvam, Per-Inge; Engebretsen, Thoralf; Maartmann-Moe, Knut; Songstad, Jon

Pages: 107-113.

DOI number: 10.3891/acta.chem.scand.50-0107
Download as: PDF DjVu

Crystal Structures and Spectroscopic Properties of trans-N,P-[Pt(ppy)(Pmor3)Cl] and trans-N,P-[Pt(tpy)(Pmor3)Cl].CH3CN [ppy = N,C'-chelated 2-phenylpyridinate, tpy = N,C'-Chelated 2-(2'-thienyl)pyridinate, Pmor3 = tris(morpholino)phosphine].

Balashev, Konstantin P.; Engebretsen, Thoralf; Kvam, Per-Inge; Maartmann-Moe, Knut; Puzyk, Michael V.; Songstad, Jon

Pages: 1108-1115.

DOI number: 10.3891/acta.chem.scand.50-1108
Download as: PDF DjVu