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41 matching references were found.

Pihlaja, K.; Jalonen, J., Appearance potentials determined by the electron-impact method as an analytical aid in the evaluation of conformational energies and clarification of ring conformation-I: Appearance potentials of the [M-R]⁺ ions formed in the primary fragmentation of stereoisomeric 1,3-dioxans. A direct route to conformational energies, Org. Mass Spectrom., 1971, 5, 1363. [all data]

Jalonen, J.; Pasanen, P.; Pihlaja, K., Ionisation and appearance potentials in the evaluation of nonbonded interactions. IV: Conformational effects in methyl-substituted 1,3-oxathianes, Org. Mass Spectrom., 1973, 7, 949. [all data]

Pihlaja, K.; Taskinen, E., Physical Methods in Heterocyclic Chemistry, ed. A.R. Katritzky,Academic Press,New York, 1974, 6, 1. [all data]

Pihlaja, K.; Heikkila, J., The configurations of isomeric 2,2,4,6-tetramethyl-1,3-dioxanes, Acta Chem. Scand., 1967, 21, 2430-2434. [all data]

Pihlaja, K.; Heikkila, J., Heats of combustion of 1,3-dioxane and its methyl derivatives, Acta Chem. Scand., 1967, 21, 2390-2398. [all data]

Pihlaja, K., The energy difference between the chair and skew-boat forms of the 1,3-dioxane ring, Acta Chem. Scand., 1968, 22, 716-718. [all data]

Pihlaja, K.; Heikkil, J., Heats of combustion. Diethyl ether and 1,1-diethoxyethane, Acta Chem. Scand., 1968, 22, 2731-2732. [all data]

Pihlaja, K.; Luoma, S., Heats of formation and conformational energies of 1,3-dioxane and its methyl homologues, Acta Chem. Scand., 1968, 22, 2401-2414. [all data]

Pihlaja, K.; Heikklia, J., Enthalpies of formation of cyclic acetals. 1,3-dioxolane, 2-methyl-1,3-dioxolane, and 2,4-dimethyl-1,3-dioxolanes, Acta Chem. Scand., 1969, 23, 1053-1055. [all data]

Pihlaja, K.; Heikkila, J., Heats of formation of cyclic vinyl ethers, Suom. Kemistil. B, 1969, 42, 338-342. [all data]

Pihlaja, K.; Launosalo, T., Heats of combustion 2,4,6-trimethyl-3,5-dioxaheptane and 6-ethyl-5,7-dioxaundecane, Acta Chem. Scand., 1969, 23, 3264-3265. [all data]

Pihlaja, K.; Tuomi, M., Bond-Bond interactions in organic oxygen compounds. Part II. Anomalous stablization in cis-2,4,6-trimethyl-1,3,5-trioxane, Suom. Kemistil., 1970, 43, 224-226. [all data]

Pihlaja, K.; Tuomi, M.-L., Bond-Bond interactions in organic oxygen compounds. Part III. Enthalpy of formation of 2-(2-methoxyethoxy)tetrahydropyran and the contributory group increments, Acta Chem. Scand., 1970, 24, 366-368. [all data]

Pihlaja, K.; Tuomi, M., 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, Acta Chem. Scand., 1971, 25, 465-469. [all data]

Keskinen, R.; Nikkila, A.; Pihlaja, K., Properties and reactions of 1.3-oxathiolanes. III. Conformational energies and the most probable conformations of 2-alkyl-5-methyl- and 2,2-dialkyl-5-methyl-1,3-oxathiolanes, Tetrahedron, 1972, 28, 3943-3955. [all data]

Pihlaja, K.; Heikkila, J., Heats of formation of cyclic vinyl ethers. A correction., Suom. Kemistilehti, 1972, 148. [all data]

Ayras, P.; Pihlaja, K., Conformational analysis. VI. 6,6-Dialkyl- and 2,6,6-trialkyl-4-oxo-1,3-dioxans, Acta Chem. Scand., 1973, 27, 2511-1516. [all data]

Keskinen, R.; Nikkila, A.; Pihlaja, K., Nuclear magnetic resonance studies on the conformational effects of alkyl-substituted 1,3-oxathiolanes, J. Mol. Struct., 1973, 96, 357-363. [all data]

Pihlaja, K.; Taskinen, E., Applications of thermochemistry to heterocyclic chemistry, Phys. Methods Heterocycl. Chem., 1974, 6, 199-246. [all data]

Pihlaja, K.; Gelas, J., Bond-bond interactions in organic oxygen compounds. VI. Enthalpies of formation of 2-hydroxymethyl-1,3-dioxane and 2-(1-hydroxy-1-methylethyl)-1-methyl-1,3-dioxane. Influence of an intramolecular hydrogen bond on thermochemical stability in the gaseous state, Finn. Chem. Lett., 1975, 79-82. [all data]

Pihlaja, K.; Nikander, H., Conformational analysis. XVI. The enthalpy and entropy difference between twist and chair forms of 1,3-dithiane ring, Acta Chem. Scand., Ser. B, 1977, 31, 265-266. [all data]

Pihlaja, K., Chapter 5. Thermochemical methods in the structural analysis of organic compounds, Mol. Struct. Energ., 1987, 2, 173-231. [all data]

Pihlaja, K.; Rossi, K., J. Chem. Eng. Data, 1985, 30, 387. [all data]

Pihlaja, K.; Rossi, K., Acta Chem. Scand., Ser. B, 1977, 31, 899. [all data]

Pihlaja, K.; Tuomi, M.L., , Acta Chem. Scand. 25, 1971. [all data]

Pihlaja, K.; Tuomi, M.L., Acta Chem. Scand., 1970, 24, 366. [all data]

Pihlaja, K.; Heikkila, J., Acta Chem. Scand., 1969, 23, 1053. [all data]

Pihlaja, K.; Launosalo, T., Acta Chem. Scand., 1969, 23, 3264. [all data]

Pihlaja, K.; Heikkila, J., Heat of Combustion of Diethyl Ether and 1,1-Diethoxyethane, Acta Chem. Scand., 1968, 22, 2731. [all data]

Pihlaja, K.; Luoma, S., Heats of Formation and Conformational Energies of 1,3-Dioxane and Its Methyl Homologues, Acta Chem. Scand., 1968, 22, 2401. [all data]

Pihlaja, K.; Heikkila, J., Heats of Combustion of 1,3-Dioxane and Its Methyl Derivatives, Acta Chem. Scand., 1967, 21, 2390. [all data]

Pihlaja, K.; Tenhosaari, A., Soumen Kemistilehti, 1970, 43B, 175. [all data]

Pihlaja, K., Bond-bond Interactdions 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 Enth, Acta Chem. Scand., 1971, 25, 451-64. [all data]

Pihlaja, K.; Heikkila, J., Heats of Formation of Cyclic Vinyl Ethers, Suom. Kemistilehti B, 1969, 42, 338-42. [all data]

Pihlaja, K.; Kankare, J., Bond-bond Interaction in Organic Oxygen Compounds. I. A Bond-bond Interaction Scheme for ALiphatic Alcohols, Ethers, and Acetals, Acta Chem. Scand., 1969, 23, 1745-51. [all data]

Szafranek, B.; Malinski, E.; Nawrot, J.; Sosnowska, D.; Ruszkowska, M.; Pihlaja, K.; Trumpakaj, Z.; Szafranek, J., In Vitro effects of cuticular lipids of the aphids Sitobion avenae, Hyalopterus pruni and Brevicoryne brassicae on growth and sporulation of the Paecilomyces fumosoroseus and Beauveria bassiana, Arkivoc, 2001, 2001, 3, 81-94, https://doi.org/10.3998/ark.5550190.0002.311 . [all data]

Szafranek, J.; Malinski, E.; Dubis, E.; Hebanowska, E.; Nawrot, J.; Oksman, P.; Pihlaja, K., Identification of branched alkanes in lipids of Leptinotarsa decemlineata say and Tribolium destructor by GC-MS: a comparison of main-beam and link-scanned spectra, J. Chem. Ecol., 1994, 20, 9, 2197-2212, https://doi.org/10.1007/BF02033197 . [all data]

Hebanowska, E.; Malinski, E.; Dubis, E.; Oksman, P.; Pihlaja, K.; Nawrot, J.; Szafranek, J., The cuticular hydrocarbons of the larvae of Anagasta kuehniella Z., Comp. Biochem. Physiol. B: Comp. Biochem., 1990, 95, 4, 699-703. [all data]

Hebanowska, E.; Malinski, E.; Latowska, A.; Dubis, E.; Pihlaja, K.; Oksman, P.; Nawrot, J.; Szafranek, J., A comparison of cuticular hydrocarbons of larvae and beetles of the Tribolium destructor, Comp. Biochem. Physiol. B: Comp. Biochem., 1990, 96, 4, 815-819. [all data]

Hebanowska, E.; Malinski, E.; Dubis, E.; Pihlaja, K.; Oksman, P.; Winamaki, K.; Nawrot, J.; Szafranek, J., The composition of cuticular hydrocarbons of the Tribolium destructor, Comp. Biochem. Physiol. B: Comp. Biochem., 1989, 93, 2, 437-442. [all data]

Klika, K.D.; Demirci, B.; Salminen, J.-P.; Ovcharenko, V.V.; Vuorela, S.; Baser, K.H.C.; Pihlaja, K., New, Sesquiterpenoid-Type Bicyclic Compounds from the Buds of Betula pubescens -- Ring-Contracted Products of β-Caryophyllene?, Eur.J.Org.Chem., 2004, 2004, 12, 2627-2635, https://doi.org/10.1002/ejoc.200300808 . [all data]