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Description
| - Působením thiofen-2-karboxylátu měďného vznikají z 9- nebo 7-substituovaných 6-, 2-, nebo8-jodpurinů příslušné 2,2´-, 6,6´-, a 8,8´-dimery. (cs)
- Treatment of 9- or 7-substituted 6-, 2- or 8-iodopurine derivatives with copper(I) thiophene-2-carboxylate or copper(I) 3-methylsalicylate in N,N-dimethylformamide affords the corresponding 6,6´-, 2,2´- and 8,8´-purine dimers in high yield. Attempts at cross-dimerization of different iodo derivatives lead only to mixtures containing the cross-coupled products, homodimers or dehalogenation products. The crystal structures of 9,9'-dibenzyl- (1a) and 9,9'-bis(1-methylethyl)-9H,9'H-[6,6']bipurinyl (1c), and the salt [1aH2]Br2 have been determined by single-crystal X-ray diffraction analysis, revealing extensive hydrogen bonding and pxxxp stacking interactions.
- Treatment of 9- or 7-substituted 6-, 2- or 8-iodopurine derivatives with copper(I) thiophene-2-carboxylate or copper(I) 3-methylsalicylate in N,N-dimethylformamide affords the corresponding 6,6´-, 2,2´- and 8,8´-purine dimers in high yield. Attempts at cross-dimerization of different iodo derivatives lead only to mixtures containing the cross-coupled products, homodimers or dehalogenation products. The crystal structures of 9,9'-dibenzyl- (1a) and 9,9'-bis(1-methylethyl)-9H,9'H-[6,6']bipurinyl (1c), and the salt [1aH2]Br2 have been determined by single-crystal X-ray diffraction analysis, revealing extensive hydrogen bonding and pxxxp stacking interactions. (en)
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Title
| - Preparation and Crystal Structures of Purine 2,2´-, 6,6´-, and 8,8´-Dimers
- Preparation and Crystal Structures of Purine 2,2´-, 6,6´-, and 8,8´-Dimers (en)
- Příprava a krystalová struktura purinových 2,2´-, 6,6´-, a 8,8´-dimerů (cs)
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skos:prefLabel
| - Preparation and Crystal Structures of Purine 2,2´-, 6,6´-, and 8,8´-Dimers
- Preparation and Crystal Structures of Purine 2,2´-, 6,6´-, and 8,8´-Dimers (en)
- Příprava a krystalová struktura purinových 2,2´-, 6,6´-, a 8,8´-dimerů (cs)
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skos:notation
| - RIV/60461373:22310/08:00020042!RIV09-MSM-22310___
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
| - P(GA203/06/0888), Z(MSM0021620857), Z(MSM6046137301)
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/60461373:22310/08:00020042
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - Nucleobases; Dimerization; Copper; Purine dimers; X-ray diffraction (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
| - DE - Spolková republika Německo
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
| - European Journal of Organic Chemistry
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...iv/tvurceVysledku
| - Císařová, Ivana
- Štěpnička, Petr
- Dvořák, Dalimil
- Tobrman, Tomáš
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http://linked.open...ain/vavai/riv/wos
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http://linked.open...n/vavai/riv/zamer
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issn
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number of pages
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http://localhost/t...ganizacniJednotka
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