All articles by Kalevi Pihlaja
51 articlesArticles in volume 19 (1965)
| The Hydrolysis of 1,3-Dioxane and Its Derivatives. Part I. The Position of the Equilibrium and the Formal Kinetic Laws. Pages: 2250-2252. DOI number: 10.3891/acta.chem.scand.19-2250 |
Articles in volume 21 (1967)
| Heats of Combustion of 1,3-Dioxane and Its Methyl Derivatives. Pihlaja, Kalevi; Heikkilä, Jussi Pages: 2390-2398. DOI number: 10.3891/acta.chem.scand.21-2390 |
| The Configurations of Isomeric 2,2,4,6-Tetramethyl-1,3-dioxanes. Pihlaja, Kalevi; Heikkilä, Jussi Pages: 2430-2434. DOI number: 10.3891/acta.chem.scand.21-2430 |
Articles in volume 22 (1968)
| The Energy Difference between the Chair and Skew-Boat Forms of the 1,3-Dioxane Ring. Pages: 716-718. DOI number: 10.3891/acta.chem.scand.22-0716 |
| Heats of Formation and Conformational Energies of 1,3-Dioxane and Its Methyl Homologues. Pihlaja, Kalevi; Luoma, Sinikka Pages: 2401-2414. DOI number: 10.3891/acta.chem.scand.22-2401 |
| Heats of Combustion: Diethyl Ether and 1,1-Diethoxyethane. Pihlaja, Kalevi; Heikkilä, Jussi Pages: 2731-2732. DOI number: 10.3891/acta.chem.scand.22-2731 |
| The Kinetics and Mechanisms of the Uncatalyzed and Acid-Catalyzed Decomposition Reactions of Meldrum's Acid and Its Methyl Derivatives. Pages: 3053-3062. DOI number: 10.3891/acta.chem.scand.22-3053 |
Articles in volume 23 (1969)
| Preparation of 1,3-Propanediol and Its Methyl Derivatives by Grignard Reactions or by LiAlH4 Reduction. Pihlaja, Kalevi; Ketola, Martti Pages: 715-726. DOI number: 10.3891/acta.chem.scand.23-0715 |
| Enthalpies of Formation of Cyclic Acetals. 1,3-Dioxolane, 2-Methyl-1,3-Dioxolane, and 2,4-Dimethyl-1,3-Dioxolanes. Pihlaja, Kalevi; Heikkilä, Jussi Pages: 1053-1055. DOI number: 10.3891/acta.chem.scand.23-1053 |
| Bond-Bond Interaction in Organic Oxygen Compounds. Part I. A Bond-Bond Interaction Scheme for Aliphatic Alcohols, Ethers, and Acetals. Pihlaja, Kalevi; Kankare, Jouko Pages: 1745-1751. DOI number: 10.3891/acta.chem.scand.23-1745 |
| Separation and NMR Spectra of meso- and DL-Forms of Pentanediols. Pihlaja, Kalevi; Launosalo, Tauno; Äyräs, Pertti Pages: 2299-2304. DOI number: 10.3891/acta.chem.scand.23-2299 |
| The Acidity and General Base-Catalyzed Hydrolysis of Meldrum's Acid and Its Methyl Derivatives. Pages: 3003-3010. DOI number: 10.3891/acta.chem.scand.23-3003 |
| Heats of Combustion. 2,4,6-Trimethyl-3,5-dioxaheptane and 6-Ethyl-5,7-dioxaundecane. Pihlaja, Kalevi; Launosalo, Tauno Pages: 3264-3265. DOI number: 10.3891/acta.chem.scand.23-3264 |
Articles in volume 24 (1970)
| Conformational Analysis. NMR Spectra of Acetals Derived from Diastereomeric 3-Methyl-2,4-Pentanediols. Pihlaja, Kalevi; Äyräs, Pertti Pages: 204-210. DOI number: 10.3891/acta.chem.scand.24-0204 |
| Bond-Bond Interactions in Organic Oxygen Compounds. Part III. Enthalpy of Formation of 2-(2-Methoxyethoxy)tetrahydropyran and the Contributory Group Increments. Pihlaja, Kalevi; Tuomi, Marja-Leena Pages: 366-368. DOI number: 10.3891/acta.chem.scand.24-0366 |
| Conformational Analysis. NMR Spectra of Six-Membered Cyclic Acetals. Pihlaja, Kalevi; Äyräs, Pertti Pages: 531-549. DOI number: 10.3891/acta.chem.scand.24-0531 |
| Properties and Reactions of 1,3-Oxathianes. I. Preparation of 1,3-Oxathiane and Its 2- and 6-Alkyl Derivatives. Pihlaja, Kalevi; Pasanen, Paavo Pages: 2257-2258. DOI number: 10.3891/acta.chem.scand.24-2257 |
Articles in volume 25 (1971)
| 2-Alkyl-2-methyl- and 2-Alkyl-2,4-dimethyl-1,3-dioxanes. IV. Hydrolytic Decomposition of 2-Alkyl-2-methyl-1,3-dioxanes. Dependence of the Hydrolysis Rates on the Conformer Ratios. Pihlaja, Kalevi; Teinonen, Kari-Jaakko Pages: 323-328. DOI number: 10.3891/acta.chem.scand.25-0323 |
| Bond-bond Interactions in Organic Oxygen Compounds. Part IV. An Extension of the Bond-bond Interaction Scheme for Aliphatic Alcohols and Ethers to Acetals and Orthoesters. Correlation between the Enthalpies of Formation and Numbers of Carbon Atoms for Normal Alkanols. Ring Strain in Cyclic Ethers and Acetals. Pages: 451-464. DOI number: 10.3891/acta.chem.scand.25-0451 |
| Bond-bond Interactions in Organic Oxygen Compounds. Part V. Enthalpies of Formation of Methyl and Ethyl Orthoformates and the Contributory Group Increments. The Magnitude of the So-called Rabbit-ear Effect in Acyclic Oxygen Compounds. Pihlaja, Kalevi; Tuomi, Marja-Leena Pages: 465-469. DOI number: 10.3891/acta.chem.scand.25-0465 |
| Conformational Analysis. IV. trans-2,4-Dimethyloxetane and cis-2,3-trans-4-Trimethyloxetane. Pihlaja, Kalevi; Polviander, Katriina; Keskinen, Raimo; Jalonen, Jorma Pages: 765-767. DOI number: 10.3891/acta.chem.scand.25-0765 |
| Chlorinated Long-chain Fatty Acids. Their Properties and Reactions. IV. Quantitative Gas Chromatography of Chlorinated Octadecanoic Acids Prepared from Oleic, Linoleic and Linolenic Acids. Pensar, Göran; Manell, Dan; Ketola, Martti; Pihlaja, Kalevi Pages: 1489-1491. DOI number: 10.3891/acta.chem.scand.25-1489 |
| Properties and Reactions of 1,3-Oxathianes. III. A Novel Route to Alkylated 1,3-Oxathianes. Pasanen, Paavo; Pihlaja, Kalevi Pages: 1908-1910. DOI number: 10.3891/acta.chem.scand.25-1908 |
Articles in volume 26 (1972)
| Solvent Effects in NMR Spectroscopy. I. Toluene-Induced Shifts in the Spectra of Non-Aromatic Heterocycles. A New Approach to Clarify the Origin of the Observed Solvent Shifts. Pihlaja, Kalevi; Ala-Tuori, Mirjami Pages: 1891-1903. DOI number: 10.3891/acta.chem.scand.26-1891 |
| Solvent Effects in NMR Spectroscopy. II. Toluene-Induced Shifts in the Spectra of Non-Aromatic Heterocycles. Self-Association of Toluene. Solvation Clusters as the Most Probable Explanation for the Solvent Shifts. Pihlaja, Kalevi; Ala-Tuori, Mirjami Pages: 1904-1908. DOI number: 10.3891/acta.chem.scand.26-1904 |
Articles in volume 27 (1973)
| Conformational Analysis. VI. 6,6-Dialkyl- and 2,6,6-Trialkyl-4-oxo-1,3-dioxans. Äyräs, Pertii; Pihlaja, Kalevi Pages: 2511-2516. DOI number: 10.3891/acta.chem.scand.27-2511 |
Articles in volume 28b (1974)
| Chlorinated Long-chain Fatty Acids. Their Properties and Reactions. VIII. The Kinetics and Stereochemistry of the Alkaline Dehydrochlorination of Diastereoisomeric Sodium 9,10-Dichlorooctadecanoates. Pihlaja, Kalevi; Ketola, Martti Pages: 1189-1194. DOI number: 10.3891/acta.chem.scand.28b-1189 |
Articles in volume 30a (1976)
| Conformational Analysis. XV. Preparation of Some Alkyl-substituted 5-Oxo-1,3-oxathiolans and Their Characterization with the Aid of Chemical Equilibration, 1H NMR and IR Spectra. Pihlaja, Kalevi; Nikkilä, Alpo; Neuvonen, Kari; Keskinen, Raimo Pages: 457-460. DOI number: 10.3891/acta.chem.scand.30a-0457 |
Articles in volume 30b (1976)
| Chlorinated Long-chain Fatty Acids. Their Properties and Reactions. IX. The Kinetics and Stereochemical Course of the Neutral and the Base-promoted Dehydrochlorination of Sodium erythro- and threo-9(10)-Chloro-10(9)-hydroxyoctadecanoates. Pihlaja, Kalevi; Lyytinen, Maija-Riitta; Ketola, Martti Pages: 953-956. DOI number: 10.3891/acta.chem.scand.30b-0953 |
Articles in volume 31b (1977)
| Conformational Analysis. XVI. The Enthalpy and Entropy Difference Between Twist and Chair Forms of the 1,3-Dithian Ring. Pihlaja, Kalevi; Nikander, Hannu Pages: 265-266. DOI number: 10.3891/acta.chem.scand.31b-0265 |
| Conformational Analysis. Part XVII. A Simple Application of the Karplus Equation to Study the Preferred Conformations of the Ethyl Group in Some Alkylsubstituted 4-Ethyl-1,3-oxathiolanes. Pihlaja, Kalevi; Nurmi, Timo; Pasanen, Paavo Pages: 895-898. DOI number: 10.3891/acta.chem.scand.31b-0895 |
| Conformational Analysis. Part XLIII. 13C Chemical Shifts and Coupling Constants as Proof of the Nonplanarity of the 2-Oxo-1,3-dioxolane Ring. Pihlaja, Kalevi; Rossi, Kyllikki Pages: 899-902. DOI number: 10.3891/acta.chem.scand.31b-0899 |
Articles in volume 32b (1978)
| Kinetics and Mechanisms of Dehydrochlorination Reactions of Simple 1,2-Chlorohydrins in Aqueous Sodium Hydroxide Solutions. Ketola, Martti; Lyytinen, Maija-Riita; Hotokka, Marjut; Pihlaja, Kalevi Pages: 743-748. DOI number: 10.3891/acta.chem.scand.32b-0743 |
| Conformational Analysis. XX. 2-Alkyl-2-methyl- and 2-Alkyl-2,4-dimethyl-1,3-dioxanes. V. A Variable Temperature 1H NMR Study. Pihlaja, Kalevi; Härkönen, Timo Pages: 769-773. DOI number: 10.3891/acta.chem.scand.32b-0769 |
Articles in volume 36b (1982)
| 2-Oxo-1,3,2-dioxathianes. II. Determination of the S=O Group Configuration by IR Spectroscopy. Virtanen, Terttu; Pihlaja, Kalevi; Nikander, Hannu Pages: 117-121. DOI number: 10.3891/acta.chem.scand.36b-0117 |
Articles in volume 37b (1983)
| Conformational Analysis. XXIII. 13C and 1H NMR Conformational Study of 2-Oxo-1,3-dioxane and Its Methyl Derivatives. Pihlaja, Kalevi; Rossi, Kyllikki Pages: 289-296. DOI number: 10.3891/acta.chem.scand.37b-0289 |
Articles in volume 39b (1985)
| 13C NMR Chemical Shifts and Ring Conformations of 2-Hydroxy-1,3,2-Dioxaborolane and 2-Hydroxy-1,3,2-Dioxaborinane and Their Methyl Derivatives. Rossi, Kyllikki; Pihlaja, Kalevi Pages: 671-683. DOI number: 10.3891/acta.chem.scand.39b-0671 |
Articles in volume 40b (1986)
| 13C NMR Chemical Shifts -- a Conformational Probe for 1-Alkoxyalkyl Esters. Pages: 196-199. DOI number: 10.3891/acta.chem.scand.40b-0196 |
Articles in volume 41b (1987)
| A Simple Synthesis of Condensed N-Methyl-Substituted 1,3-Oxazines. Fülöp, Ferenc; Pihlaja, Kalevi; Bernáth, Gábor Pages: 147-149. DOI number: 10.3891/acta.chem.scand.41b-0147 |
| An Efficient Synthesis of Stereoisomeric 2-(Substituted)-Aminocyclohexanecarboxamides. Pihlaja, Kalevi; Fülöp, Ferenc; Mattinen, Jorma; Bernáth, Gábor Pages: 228-231. DOI number: 10.3891/acta.chem.scand.41b-0228 |
Articles in volume 42b (1988)
| NMR Structural Study and Stereoselective Synthesis of 2-Substituted and 2,2-Disubstituted 5-Dichloroacetamido-5-methyl-1,3-dioxanes. Pihlaja, Kalevi; Hellman, Jaakko; Mattinen, Jorma; Göndös, György; Wittman, Gyula; Gera, Lajos; Bartók, Mihály; Pelczer, István; Dombi, György Pages: 601-604. DOI number: 10.3891/acta.chem.scand.42b-0601 |
Articles in volume 44 (1990)
| Mass Spectral Study of Some Stereoisomeric 2-Thioxo- and 2-Oxo-perhydro-1,3- and 2-Thioxoperhydro-3,1-benzoxazines. Vainiotalo, Pirjo; Fülöp, Ferenc; Stájer, Géza; Bernáth, Gábor; Pihlaja, Kalevi Pages: 165-169. DOI number: 10.3891/acta.chem.scand.44-0165 |
| Formation of 3,1-Perhydrobenzoxazines and their N-Methyl Derivatives. The Effects of Epimerization and Temperature. Parkkinen, Aija; Fülöp, Ferenc; Pihlaja, Kalevi Pages: 364-367. DOI number: 10.3891/acta.chem.scand.44-0364 |
Articles in volume 45 (1991)
| Electrophilic Aromatic Reactivities via Ring--Chain Tautomerism of Tetrahydro-1,3-Oxazines and 1,3-Oxazolidines. Fülöp, Ferenc; Dahlqvist, Martti; Pihlaja, Kalevi Pages: 273-275. DOI number: 10.3891/acta.chem.scand.45-0273 |
Articles in volume 46 (1992)
| X-Ray Study of a Pentacyclic Partially Saturated Benzothiazolo[2,3-a]isoindolone. Pihlaja, Kalevi; Sillanpää, Reijo; Stájer, Géza; Frimpong-Manso, Samuel Pages: 1021-1023. DOI number: 10.3891/acta.chem.scand.46-1021 |
Articles in volume 47 (1993)
| X-Ray Structure of a Partially Saturated Pentacyclic Methylene-bridged Isoindolo[2,1-a][3,1]benzoxazinone. Stájer, Géza; Sillanpää, Reijo; Pihlaja, Kalevi Pages: 482-485. DOI number: 10.3891/acta.chem.scand.47-0482 |
| Studies on the gamma-Effect. Part 2. The Constancy of the gamma-Effect Caused by Methyl, Ethyl, Benzyl or Phenyl Substitution in Dihydrobenzoxazines. Neuvonen, Kari; Pihlaja, Kalevi Pages: 695-700. DOI number: 10.3891/acta.chem.scand.47-0695 |
Articles in volume 48 (1994)
| X-Ray Structure of a Second Epimer of a Partially Saturated Methylene-bridged Isoindolo[2,1-a][3,1]benzoxazinone. Sillanpää, Reijo; Stájer, Géza; Pihlaja, Kalevi Pages: 84-87. DOI number: 10.3891/acta.chem.scand.48-0084 |
| Electron Impact Ionization Mass Spectra of Some 4,9-Dihetero-(X,X)-cyclodeca-1,6-dienes: Mono- and Di-benzo Analogues. Mäki, Esa; Pihlaja, Kalevi; Kleinpeter, Erich; Hartmann, Jens; Schroth, Werner Pages: 319-323. DOI number: 10.3891/acta.chem.scand.48-0319 |
| X-Ray Structure Determination of a Saturated Methylene-bridged Diphenylimidazo[2,1-a]isoindolone. Stájer, Géza; Sillanpää, Reijo; Pihlaja, Kalevi Pages: 603-605. DOI number: 10.3891/acta.chem.scand.48-0603 |
Articles in volume 50 (1996)
| Synthesis and Conformational Study of Stereoisomeric 3-Benzylperhydro-1,2,3-benzoxathiazine and -benzoxathiazole 2-oxides. Viljanen, Tapio; Pihlaja, Kalevi; Fülöp, Ferenc Pages: 1036-1040. DOI number: 10.3891/acta.chem.scand.50-1036 |