Kalevi Pihlaja


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Person Info

NAME

Kalevi

SURNAME

Pihlaja

Publications in SciGraph latest 50 shown

  • 2013-08 The pseudo-Michael reaction of 1-aryl-4,5-dihydro-1H-imidazol-2-amines with ethyl ethoxymethylenecyanoacetate in MONATSHEFTE FÜR CHEMIE - CHEMICAL MONTHLY
  • 2011-01 Polyketide derivatives active against Botrytis cinerea in Gerbera hybrida in PLANTA
  • 2009-07 Phototransformations of selected pharmaceuticals under low-energy UVA–vis and powerful UVB–UVA irradiations in aqueous solutions—the role of natural dissolved organic chromophoric material in ANALYTICAL AND BIOANALYTICAL CHEMISTRY
  • 2008-09 Environmental Pollution Affects the Plumage Color of Great Tit Nestlings through Carotenoid Availability in ECOHEALTH
  • 2007-11 ESI-MS analyses of lake dissolved organic matter in light of supramolecular assembly in ANALYTICAL AND BIOANALYTICAL CHEMISTRY
  • 2007-09 Advanced TMAH and TMAAc thermochemolysis–pyrolysis techniques for molecular characterization of size-separated fractions from aquatic dissolved organic matter in ANALYTICAL AND BIOANALYTICAL CHEMISTRY
  • 2006-09 Effects of increased content of leaf surface flavonoids on the performance of mountain birch feeding sawflies vary for early and late season species in CHEMOECOLOGY
  • 2006-07 Effects of Elevated Carbon Dioxide and Ozone on Foliar Proanthocyanidins in Betula platyphylla, Betula ermanii, and Fagus crenata Seedlings in JOURNAL OF CHEMICAL ECOLOGY
  • 2006-02 Tautomeric equilibria in solutions of the products of reaction between 2-aminobenzenesulfonamide and 3-oxo aldehydes in CHEMISTRY OF HETEROCYCLIC COMPOUNDS
  • 2005-12 Delayed induced responses of birch glandular trichomes and leaf surface lipophilic compounds to mechanical defoliation and simulated winter browsing in OECOLOGIA
  • 2005-11 Cyclization of the substituted N-(Ortho-cyclopropylphenyl)-N′-aryl ureas and thioureas in the gas phase and solution in JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY
  • 2005-09 Biochemical transformation of birch leaf phenolics in larvae of six species of sawflies in CHEMOECOLOGY
  • 2005-03 Leaf surface traits: overlooked determinants of birch resistance to herbivores and foliar micro-fungi? in TREES
  • 2004-11 Defensive Effect of Surface Flavonoid Aglycones of Betula pubescens Leaves Against First Instar Epirrita autumnata Larvae in JOURNAL OF CHEMICAL ECOLOGY
  • 2004-09 Seasonal Variation in the Content of Hydrolyzable Tannins, Flavonoid Glycosides, and Proanthocyanidins in Oak Leaves in JOURNAL OF CHEMICAL ECOLOGY
  • 2004-03 Ranking of individual mountain birch trees in terms of leaf chemistry: seasonal and annual variation in CHEMOECOLOGY
  • 2004-02 Rapid Herbivore-Induced Changes in Mountain Birch Phenolics and Nutritive Compounds and Their Effects on Performance of the Major Defoliator, Epirrita autumnata in JOURNAL OF CHEMICAL ECOLOGY
  • 2003-09 Stereospecific fragmentations in the mass spectra of stereoisomeric isoindoloquinazolines in JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY
  • 2003-03 Electron ionization (EI) mass spectra of Exo-Endo double-bond isomers of polycyano “push-pull” pentadienes derived from cycloalkylidene malonic acid derivatives in JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY
  • 2002-09 First Case of Ring-Chain Tautomerism of N-Unsubstituted 1,2,3,4-Tetrahydroquinazolines in CHEMISTRY OF HETEROCYCLIC COMPOUNDS
  • 2002-06 Betalain and phenolic compositions of four beetroot (Beta vulgaris) cultivars in EUROPEAN FOOD RESEARCH AND TECHNOLOGY
  • 2002-02 Seasonal changes in birch leaf chemistry: are there trade-offs between leaf growth and accumulation of phenolics? in OECOLOGIA
  • 2002-02 Molecular design of tautomeric interconversions of heterocycles in RUSSIAN CHEMICAL BULLETIN
  • 2001-09 Mass-spectrometric differentiation of diexo- and diendo-fused isomers of norbornane/ene-condensed 2-thiouracil and 1,3-thiazino[3,2-a]-pyrimidine derivatives: Stereoselectivity of retro-Diels-Alder fragmentations under EI and CI conditions in JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY
  • 2001-07 Isolation and biological activity of frankiamide in JOURNAL OF INDUSTRIAL MICROBIOLOGY & BIOTECHNOLOGY
  • 2001-05 Effects of Long-Term Open-Field Ozone Exposure on Leaf Phenolics of European Silver Birch (Betula pendula Roth) in JOURNAL OF CHEMICAL ECOLOGY
  • 2000-02 Covariation of fluctuating asymmetry, herbivory and chemistry during birch leaf expansion in OECOLOGIA
  • 1999-05 Stereospecific fragmentation processes in cycloalkane/cycloalkene-fused isomers of saturated pyrrolo[2,1-b][1,3]oxazin-6-one derivatives in JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY
  • 1998-08 Delayed induced changes in the biochemical composition of host plant leaves during an insect outbreak in OECOLOGIA
  • 1996-11 Variation of total phenolic content and individual low-molecular-weight phenolics in foliage of mountain birch trees (Betula pubescens ssp.tortuosa) in JOURNAL OF CHEMICAL ECOLOGY
  • 1995-04 Studies on the γ-effects. Part 3. Variations in the γ-effects ofN-substituted benzylamines,o-aminomethylphenols and 3,4-dihydro-2H-1,3-benzoxazines against theEs′ substituent constants in STRUCTURAL CHEMISTRY
  • 1994-09 Identification of branched alkanes in lipids ofLeptinotarsa decemlineata say andTribolium destructor by GC-MS: A comparison of main-beam and link-scanned spectra in JOURNAL OF CHEMICAL ECOLOGY
  • 1994-02 Electron impact ionization mass spectrometry and intramolecular cyclization in 2-substituted pyrimidin-4(3H)-ones in JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY
  • 1993-06 Conformational analysis 29: Preparation and1H and13C NMR, FTIR, MS, and crystallographic conformational and configurational study of 3-Oxo-1,3-oxathiane and its monomethyl derivatives in STRUCTURAL CHEMISTRY
  • 1993-06 Book reviews in STRUCTURAL CHEMISTRY
  • 1991-04 Effects of N-substitution on the fragmentations of some cyclohexene-fused 2-N-phenyliminoperhydro-3,1-oxazines and related thiazines in JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY
  • 1991-01 Formation of bifurcate hydrogen bonds in complexes of di-ortho-substituted phenols in solution in JOURNAL OF STRUCTURAL CHEMISTRY
  • 1991 Some aspects of the characterization of humic substances in lake waters in HUMIC SUBSTANCES IN THE AQUATIC AND TERRESTRIAL ENVIRONMENT
  • 1991 Isolation and fractionation of humic substances in lake waters in HUMIC SUBSTANCES IN THE AQUATIC AND TERRESTRIAL ENVIRONMENT
  • 1988-08 Zur Stereoisomerie der 2,6-Dichlor-4-methoxyheptane in MONATSHEFTE FÜR CHEMIE - CHEMICAL MONTHLY
  • 1971-09 Chlorinated long chain fatty acids—their properties and reactions: III. Solvent effects in the dehydrohalogenation of sodium 9,10-dichlorooctadecanoate in dilute alkaline solutions in JOURNAL OF THE AMERICAN OIL CHEMISTS' SOCIETY
  • Affiliations

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