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Statements

Subject Item
n2:RIV%2F61388963%3A_____%2F08%3A00309916%21RIV09-AV0-61388963
rdf:type
skos:Concept n17:Vysledek
dcterms:description
Direct C–H arylation of purines to position 8 by diverse aryl halides was achieved using Pd catalysis in the presence of CuI and Cs2CO3. The methodology was applied in consecutive regioselective synthesis of 2,6,8-trisubstituted purines bearing three different C-substituents in combination with two cross-coupling reaction. In addition, direct arylation of unprotected purine nucleosides with aryl iodides at position 8 was developed to allow straightforward single-step introduction of diverse aryl groups. Direct C–H arylation of purines to position 8 by diverse aryl halides was achieved using Pd catalysis in the presence of CuI and Cs2CO3. The methodology was applied in consecutive regioselective synthesis of 2,6,8-trisubstituted purines bearing three different C-substituents in combination with two cross-coupling reaction. In addition, direct arylation of unprotected purine nucleosides with aryl iodides at position 8 was developed to allow straightforward single-step introduction of diverse aryl groups. Bylo dosaženo přímé C-H arylace purinů v poloze 8 různými aryl halidy pomocí palladiové katalýzy za přítomnosti CuI a Cs2CO3. Tato metoda, v kombinaci se dvěma cross-coupling reakcemi, byla aplikována v postupné regioselektivní syntéze 2,6,8-trisubstituovaných purinů nesoucích tři odlišné C-substituenty. Byla vyvinuta metoda přímé arylace nechráněných purinových nukloesidů aryl jodidy umožňující jednokrokové zavedení arylové skupiny.
dcterms:title
Direct C-H arylation of purines and purine nucleosides Direct C-H arylation of purines and purine nucleosides Přímá C-H arylace purinů a purinových nukleosidů
skos:prefLabel
Přímá C-H arylace purinů a purinových nukleosidů Direct C-H arylation of purines and purine nucleosides Direct C-H arylation of purines and purine nucleosides
skos:notation
RIV/61388963:_____/08:00309916!RIV09-AV0-61388963
n3:aktivita
n15:Z n15:P
n3:aktivity
P(GA203/05/0043), P(LC06077), Z(AV0Z40550506)
n3:dodaniDat
n13:2009
n3:domaciTvurceVysledku
n11:6659160 n11:8436053
n3:druhVysledku
n8:D
n3:duvernostUdaju
n16:S
n3:entitaPredkladatele
n12:predkladatel
n3:idSjednocenehoVysledku
363730
n3:idVysledku
RIV/61388963:_____/08:00309916
n3:jazykVysledku
n21:eng
n3:klicovaSlova
C-H activation; nucleosides; cross-coupling
n3:klicoveSlovo
n10:nucleosides n10:C-H%20activation n10:cross-coupling
n3:kontrolniKodProRIV
[95CDAD731B27]
n3:mistoKonaniAkce
Český Krumlov
n3:mistoVydani
Praha
n3:nazevZdroje
Chemistry of Nucleic Acid Components
n3:obor
n18:CC
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:projekt
n5:LC06077 n5:GA203%2F05%2F0043
n3:rokUplatneniVysledku
n13:2008
n3:tvurceVysledku
Čerňa, Igor Hocek, Michal
n3:typAkce
n9:EUR
n3:wos
000257885700065
n3:zahajeniAkce
2008-06-08+02:00
n3:zamer
n14:AV0Z40550506
s:numberOfPages
3
n20:hasPublisher
Institute of Organic Chemistry and Biochemistry ASCR
n6:isbn
978-80-86241-29-6