All articles by Alpo Kankaanperä

32 articles

Articles in volume 15 (1961)

The Hydrolysis of 1,3-Dioxolan and Its Alkyl-Substituted Derivatives. Part I. The Structural Factors Influencing the Rates of Hydrolysis of a Series of Methyl-Substituted Dioxolans.

Salomaa, Pentti; Kankaanperä, Alpo

Pages: 871-878.

DOI number: 10.3891/acta.chem.scand.15-0871
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Articles in volume 16 (1962)

The Hydrolysis of 1,3-Dioxolan and Its Alkyl Derivatives. Part II. The Three Geometric Isomers of 2,4,5-Trimethyl-1,3-Dioxolan.

Salomaa, Pentti; Kankaanperä, Alpo

Pages: 1532-1533.

DOI number: 10.3891/acta.chem.scand.16-1532
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Articles in volume 20 (1966)

Protolytic Cleavage of Vinyl Ethers. General Acid Catalysis, Structural Effects and Deuterium Solvent Isotope Effects.

Salomaa, Pentti; Kankaanperä, Alpo; Lajunen, Martti

Pages: 1790-1801.

DOI number: 10.3891/acta.chem.scand.20-1790
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Thermodynamic Characterization of the Initial and Transition States for the Hydrolyses of Vinyl Ethers and Acetals.

Salomaa, Pentti; Kankaanperä, Alpo

Pages: 1802-1810.

DOI number: 10.3891/acta.chem.scand.20-1802
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A Novel Route to 1,3-Dioxoles via a General Acid-Catalyzed Isomerization Reaction.

Kankaanperä, Alpo; Launosalo, Tauno; Salomaa, Pentti

Pages: 2622-2623.

DOI number: 10.3891/acta.chem.scand.20-2622
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Articles in volume 21 (1967)

Kinetics of the Hydrolytic Cleavage of the Furan Ring.

Kankaanperä, Alpo; Salomaa, Pentti

Pages: 575-577.

DOI number: 10.3891/acta.chem.scand.21-0575
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Kinetics and Mechanisms of the Acid-Catalyzed Cleavage of 1,3-Dioxoles and Isomeric 4-Alkylidene-1,3-dioxolanes.

Salomaa, Pentti; Kankaanperä, Alpo; Launosalo, Tauno

Pages: 2479-2486.

DOI number: 10.3891/acta.chem.scand.21-2479
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Relative Stabilities of Endo-Exo Isomeric Furan Derivatives and the Kinetics of Their Cleavage in Acid Solutions.

Kankaanperä, Alpo; Taskinen, Esko; Salomaa, Pentti

Pages: 2487-2494.

DOI number: 10.3891/acta.chem.scand.21-2487
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Articles in volume 23 (1969)

The Structure of Boric Acid in Aqueous Solution.

Kankaanperä, Alpo; Salomaa, Pentti

Pages: 712-713.

DOI number: 10.3891/acta.chem.scand.23-0712
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Determination of the Contributions of Concurrent Acetal and Vinyl Ether Hydrolyses on the Basis of the Different Solvent Isotope Effects in These Reactions.

Kankaanperä, Alpo

Pages: 1465-1470.

DOI number: 10.3891/acta.chem.scand.23-1465
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Anomeric Effect in Compounds with Five-membered Rings. Comparison of Equilibrium Data for Isomeric Tetrahydrofuran and Tetrahydropyran Derivatives.

Kankaanperä, Alpo; Miikki, Kari

Pages: 1471-1476.

DOI number: 10.3891/acta.chem.scand.23-1471
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Basicities of the Oxygen Atoms in Symmetrical and Unsymmetrical Acetals. Part I. The Determination of Base Strengths by Infrared Spectroscopy.

Kankaanperä, Alpo

Pages: 1723-1727.

DOI number: 10.3891/acta.chem.scand.23-1723
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Basicities of the Oxygen Atoms in Symmetrical and Unsymmetrical Acetals. Part II. The Base Strengths and their Relation to the Rate Coefficients of the Different Partial Fission Reactions of Acetal Hydrolysis.

Kankaanperä, Alpo

Pages: 1728-1732.

DOI number: 10.3891/acta.chem.scand.23-1728
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The Basicities of Alkyl-1,3-dioxolanes and Their Implications to Hydrolytic Decomposition.

Kankaanperä, Alpo

Pages: 2211-2213.

DOI number: 10.3891/acta.chem.scand.23-2211
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Rate-determining Proton Transfer to Weakly Basic Acetals, an Alternative Mechanism of Acetal Hydrolysis.

Kankaanperä, Alpo; Lahti, Markku

Pages: 2465-2474.

DOI number: 10.3891/acta.chem.scand.23-2465
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An Alternative Mechanism of Acetal Hydrolysis. General Acid Catalysis in the Hydrolysis of Some Unsymmetrical Acetals.

Kankaanperä, Alpo; Lahti, Markku

Pages: 3266-3267.

DOI number: 10.3891/acta.chem.scand.23-3266
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Equilibrium Protonation of a Carbon Base Prior to its Hydrolysis. The Acid-catalyzed Cleavage of the Furan Ring.

Kankaanperä, Alpo; Kleemola, Sirkka

Pages: 3607-3608.

DOI number: 10.3891/acta.chem.scand.23-3607
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Articles in volume 24 (1970)

Solvent Effects in the Hydrolysis of Orthoesters and Their Value as Criteria of Reaction Mechanism.

Kankaanperä, Alpo; Lahti, Markku; Merilahti, Markku

Pages: 360-362.

DOI number: 10.3891/acta.chem.scand.24-0360
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A Reinvestigation of the General Acid Catalysis Reported for the Hydrolysis of Ethyl Orthoformate in Dioxane-Water Solvents.

Lahti, Markku; Kankaanperä, Alpo

Pages: 706-708.

DOI number: 10.3891/acta.chem.scand.24-0706
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Articles in volume 26 (1972)

Comparison of Solvent Effects in A-1 and A-Se2 Reactions.

Kankaanperä, Alpo; Merilahti, Markku

Pages: 685-692.

DOI number: 10.3891/acta.chem.scand.26-0685
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The General Acid-catalyzed Hydrolysis of Unsubstituted Ketene Acetals.

Kankaanperä, Alpo; Aaltonen, Riitta

Pages: 1698-1706.

DOI number: 10.3891/acta.chem.scand.26-1698
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Detection of General Acid-catalyzed Hydrolysis in Buffer Solutions in Mixed Solvents.

Lahti, Markku; Kankaanperä, Alpo

Pages: 2130-2133.

DOI number: 10.3891/acta.chem.scand.26-2130
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General Acid Catalysis in the Hydrolysis of a Furan Derivative.

Kankaanperä, Alpo; Aaltonen, Riitta

Pages: 2537-2540.

DOI number: 10.3891/acta.chem.scand.26-2537
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Articles in volume 27 (1973)

Electrophilic Attack on the Furan Ring. Acid-Catalysed Protodedeuteriation, Protodetritiation, Deuteriodeprotonation, and Deuteriodetritiation at the alpha-Position. Hydrolytic Cleavage of the Ring.

Salomaa, Pentti; Kankaanperä, Alpo; Nikander, Eeva; Kaipainen, Kaisli; Aaltonen, Riitta

Pages: 153-163.

DOI number: 10.3891/acta.chem.scand.27-0153
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Comparison of Structural Effects in the Hydrolysis of Carboxylic Acid Ortho-esters.

Kankaanperä, Alpo; Lahti, Markku; Aaltonen, Riitta

Pages: 1444-1446.

DOI number: 10.3891/acta.chem.scand.27-1444
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Articles in volume 28a (1974)

Base Promotion and Intramolecular Catalysis in Acetal Hydrolysis. Reaction of o-Hydroxybenzaldehyde Diethyl Acetal.

Kankaanperä, Alpo; Oinonen, Leena; Lahti, Markku

Pages: 442-448.

DOI number: 10.3891/acta.chem.scand.28a-0442
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Articles in volume 29a (1975)

Distribution of Tritium Labeling between Alternative Sites in Carbon Compounds.

Kankaanperä, Alpo; Oinonen, Leena; Salomaa, Pentti

Pages: 153-155.

DOI number: 10.3891/acta.chem.scand.29a-0153
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Concurrent Carbon and Oxygen Protonation in the Hydrolytic Decomposition of beta-Acetyl Substituted Vinyl Ethers.

Kankaanperä, Alpo; Mattsén, Marja

Pages: 419-426.

DOI number: 10.3891/acta.chem.scand.29a-0419
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Articles in volume 31a (1977)

Alternative Routes in Hydroxide Ion-catalyzed Hydrogen Isotope Exchange of Unsymmetrical Ketones.

Kankaanperä, Alpo; Oinonen, Leena; Salomaa, Pentti

Pages: 551-556.

DOI number: 10.3891/acta.chem.scand.31a-0551
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Articles in volume 40a (1986)

Kinetic Acidity of Carbon Acids in Water/Dimethyl Sulfoxide Mixtures. I. Localized and Delocalized Carbanions as Reaction Intermediates.

Kankaanperä, Alpo; Lahti, Markku; Scharlin, Pirketta

Pages: 387-391.

DOI number: 10.3891/acta.chem.scand.40a-0387
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Articles in volume 41a (1987)

Kinetic Acidity of Carbon Acids in Water/Dimethyl Sulfoxide Mixtures. Part II. Activation Entropies of Proton Exchange Reactions for Different Carbon Acids.

Lahti, Markku; Kallio, Tarja; Luukkonen, Matti; Scharlin, Pirketta; Kankaanperä, Alpo

Pages: 447-452.

DOI number: 10.3891/acta.chem.scand.41a-0447
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Articles in volume 52 (1998)

Aqueous Sulfolane as a Highly Basic Medium in the Ionization of Carbon Acids.

Kankaanperä, Alpo; Scharlin, Pirketta; Lahti, Markku; Ekholm, Maj-Lis; Hautala, Leila; Ranta, Kirsi

Pages: 1071-1074.

DOI number: 10.3891/acta.chem.scand.52-1071
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