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Statements

Subject Item
n2:RIV%2F60461373%3A22310%2F07%3A00018196%21RIV08-MSM-22310___
rdf:type
n9:Vysledek skos:Concept
dcterms:description
In the presence of a Pd catalyst and a base, 6- and 2-iodopurine derivatives undergo reductive C-C dimerization with the formation of the corresponding 6,6´- or 2,2´-dimers. The best results of the dimerization were obtained in the presence of i-Pr2NEt as a base in DMF. Phosphine-free catalysts as well as catalysts containing phosphines can be used. In the presence of catalytic systems containing PPh3 the dimerization does not proceed. This dimerization may become an important side-reaction in the Stille or the Suzuki-Miyaura reactions of iodopurines. V přítomnosti Pd katalyzátoru a báze podléhají 2- a 6-jodpuriny reduktivní C-C dimerizaci za vzniku odpovídajících 2,2´- a 6,6´-dimerů. In the presence of a Pd catalyst and a base, 6- and 2-iodopurine derivatives undergo reductive C-C dimerization with the formation of the corresponding 6,6´- or 2,2´-dimers. The best results of the dimerization were obtained in the presence of i-Pr2NEt as a base in DMF. Phosphine-free catalysts as well as catalysts containing phosphines can be used. In the presence of catalytic systems containing PPh3 the dimerization does not proceed. This dimerization may become an important side-reaction in the Stille or the Suzuki-Miyaura reactions of iodopurines.
dcterms:title
Reduktivní dimerizace 2- a 6-jodpurinů: Vedlejší reakce při Pd katalyzovaných %22cross-coupling%22 reakcích jodopurinů. REDUCTIVE DIMERIZATION of 2- AND 6-IODOPURINES: SIDE REACTION IN Pd-CATALYZED CROSS-COUPLING OF IODOPURINES REDUCTIVE DIMERIZATION of 2- AND 6-IODOPURINES: SIDE REACTION IN Pd-CATALYZED CROSS-COUPLING OF IODOPURINES
skos:prefLabel
Reduktivní dimerizace 2- a 6-jodpurinů: Vedlejší reakce při Pd katalyzovaných %22cross-coupling%22 reakcích jodopurinů. REDUCTIVE DIMERIZATION of 2- AND 6-IODOPURINES: SIDE REACTION IN Pd-CATALYZED CROSS-COUPLING OF IODOPURINES REDUCTIVE DIMERIZATION of 2- AND 6-IODOPURINES: SIDE REACTION IN Pd-CATALYZED CROSS-COUPLING OF IODOPURINES
skos:notation
RIV/60461373:22310/07:00018196!RIV08-MSM-22310___
n3:strany
1365-1374
n3:aktivita
n8:Z n8:P
n3:aktivity
P(GA203/06/0888), P(LC06070), Z(MSM6046137301)
n3:cisloPeriodika
10
n3:dodaniDat
n12:2008
n3:domaciTvurceVysledku
n7:5078008 n7:6702198
n3:druhVysledku
n18:J
n3:duvernostUdaju
n19:S
n3:entitaPredkladatele
n10:predkladatel
n3:idSjednocenehoVysledku
446838
n3:idVysledku
RIV/60461373:22310/07:00018196
n3:jazykVysledku
n15:eng
n3:klicovaSlova
Reductive dimerization; purine; Pd catalysis; cross-coupling
n3:klicoveSlovo
n4:Reductive%20dimerization n4:cross-coupling n4:purine n4:Pd%20catalysis
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[8AD362FF59EE]
n3:nazevZdroje
Collection of Czechoslovak Chemical Communications
n3:obor
n16:CC
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:projekt
n6:GA203%2F06%2F0888 n6:LC06070
n3:rokUplatneniVysledku
n12:2007
n3:svazekPeriodika
72
n3:tvurceVysledku
Tobrman, Tomáš Dvořák, Dalimil
n3:zamer
n14:MSM6046137301
s:issn
0010-0765
s:numberOfPages
10
n17:organizacniJednotka
22310