74 resultados para CYCLIC-DI-GMP


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Simananniemen käsikirjoituskokoelma.

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Tämä yksityiskohtainen Rooman kaupungin kartta on kuuluisa kaupunkihistorian ja -suunnittelun klassikko. Kartan tekijä Nolli (ca. 1692-1756) aloitti työnsä 1736 ja työskenteli 12 vuotta tutkien ja mitaten tarkasti kaupungin rakennukset, tontit, ja rakenteet. Lopputuloksensa syntyi Nuova pianta di Roma, usein vain Pianta grandeksi kutsuttu. Nolli määrittelee kaupungin paikat sen mukaan, ovatko ne julkisia tai puolijulkisia. Kaupungin vanhat ja modernit monumentit, kirkot, teatterit, puutarhat, torit, kadut ja pasaasit, joihin yleisöllä on pääsy, kuvataan valkoisella, yksityiset tilat on sävytetty tumman harmaiksi. Julkisiin rakennuksiin liittyvät arkkitehtuurisuunnitelmat on liitetty niiden oheen. Mukana on myös antiikin arkeologisten tilojen suunnitelmia, kuten Diokletianuksen kylpylät ja Colosseum, joiden kohdalla restauroidut osat on merkitty valkoisella. Kartta siis dokumentoi Rooman kulttuurisen ja taiteellisen tilan 1700-luvulla, aikana jolloin Rooma oli eurooppalaisen intelligentsian Grand Tourien määränpää.

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r1951, Perpignan, Casals Festival.

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Pons, Lily (Lucia) ; Votipka, Thelma (Alisa) ; Tucker, Richard (Edgardo) ; Hayward, Thomas (Arturo) ; McCracken, James (Normanno) ; Guarrera, Frank (Enrico) ; Scott, Norman (Raimondo) ; Chorus and Orchestra of the Metropolitan Opera Association, Cleva, Fausto, joht.

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In this thesis a total of 86 compounds containing the hetero atoms oxygen and nitrogen were studied under electron ionization mass spectrometry (EIMS). These compounds are biologically active and were synthesized by various research groups. The main attention of this study was paid on the fragmentations related to different tautomeric forms of 2- phenacylpyridines, 2-phenacylquinolines, 8-aryl-3,4-dioxo-2H,8H-6,7-dihydroimidazo- [2,1-c][1,2,4]triazines and aryl- and benzyl-substituted 2,3-dihydroimidazo[1,2-a]pyrimidine-5,7-(1H,6H)-diones. Also regio/stereospecific effects on fragmentations of pyrrolo- and isoindoloquinazolinones and naphthoxazine, naphthpyrrolo-oxazinone and naphthoxazino-benzoxazine derivatives were screened. Results were compared with NMR data, when available. The first part of thesis consists of theory and literature review of different types of tautomerism and fragmentation mechanisms in EIMS. The effects of tautomerism in biological systems are also briefly reviewed. In the second part of the thesis the own results of the author, based on six publications,are discussed. For 2-phenacylpyridines and 2-phenacylquinolines the correlation of different Hammett substituent constants to the relative abundances (RA) or total ion currents (% TIC) of selected ions were investigated. Although it was not possible to assign most of the ions formed unambiguously to the different tautomers, the linear fits of their RAs and % TICs can be related to changing contributions of different tautomeric forms. For dioxoimidazotriazines and imidazopyrimidinediones the effects of substituents were rather weak. The fragmentations were also found useful for obtaining structural information. Some stereoisomeric pairs of pyrrolo- and isoindoloquinazolines and regiomeric pairs of naphtoxazine derivatives showed clear differences in thir mass spectra. Some mechanisms are suggested for their fragmentations.

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Melartinin käsikirjoitusluettelon tunnus Mel 19:341 (ks. http://lib.siba.fi/fi/kokoelmat/kasikirjoitusarkisto/melartin_erkki/).

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Digitoitu 17. 9. 2008.

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Soitinnus: lauluääni, orkesteri.

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Soitinnus: orkesteri.