About: Synthesis of (E)-6-Alkenylpurines via Pd-catalyzed Stannation protodestannation Tandem Process of Alkynylpurines.     Goto   Sponge   NotDistinct   Permalink

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Description
  • A methodology for the synthesis of (E)-6-alkenylpurines, starting from 6-iodopurines, based on a Pd-catalyzed stannation/protodestannation protocol is described. The alkynylation reactions were catalyzed by Pd(OAc)2/PPh3 in acetonitrile. The Pd-catalyzed stannation itself provided a mixture of Z-regioisomers but following protodestannation using TFA induces Z to E isomerisation giving (E)-6-alkenylpurines. The reactivity of other 2- and 6-alkynyl purines has been also studied.
  • A methodology for the synthesis of (E)-6-alkenylpurines, starting from 6-iodopurines, based on a Pd-catalyzed stannation/protodestannation protocol is described. The alkynylation reactions were catalyzed by Pd(OAc)2/PPh3 in acetonitrile. The Pd-catalyzed stannation itself provided a mixture of Z-regioisomers but following protodestannation using TFA induces Z to E isomerisation giving (E)-6-alkenylpurines. The reactivity of other 2- and 6-alkynyl purines has been also studied. (en)
Title
  • Synthesis of (E)-6-Alkenylpurines via Pd-catalyzed Stannation protodestannation Tandem Process of Alkynylpurines.
  • Synthesis of (E)-6-Alkenylpurines via Pd-catalyzed Stannation protodestannation Tandem Process of Alkynylpurines. (en)
skos:prefLabel
  • Synthesis of (E)-6-Alkenylpurines via Pd-catalyzed Stannation protodestannation Tandem Process of Alkynylpurines.
  • Synthesis of (E)-6-Alkenylpurines via Pd-catalyzed Stannation protodestannation Tandem Process of Alkynylpurines. (en)
skos:notation
  • RIV/60461373:22310/10:00023075!RIV11-MSM-22310___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM6046137301)
http://linked.open...iv/cisloPeriodika
  • 3
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 291529
http://linked.open...ai/riv/idVysledku
  • RIV/60461373:22310/10:00023075
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • alkynes; hydrostannation; isomerization; purine; protodestannation (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CZ - Česká republika
http://linked.open...ontrolniKodProRIV
  • [DF1AF5654072]
http://linked.open...i/riv/nazevZdroje
  • Collection of Czechoslovak Chemical Communications
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 75
http://linked.open...iv/tvurceVysledku
  • Dvořák, Dalimil
  • Tobrman, Tomáš
  • Křováček, Martin
  • Klečka, Martin
http://linked.open...ain/vavai/riv/wos
  • 000277125900006
http://linked.open...n/vavai/riv/zamer
issn
  • 0010-0765
number of pages
http://localhost/t...ganizacniJednotka
  • 22310
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