. "Novel method for preparation of highly substituted 6-arylpurines by reactions of 6-alkynylpurines with zirconacyclopentadienes"@en . "4"^^ . . "P(GA203/03/0035), Z(AV0Z40550506)" . "0010-0765" . . "339;349" . "70" . "4"^^ . "Hocek, Michal" . "Novel method for preparation of highly substituted 6-arylpurines by reactions of 6-alkynylpurines with zirconacyclopentadienes"@en . "Kotora, Martin" . . . . "Turek, Pavel" . "Collection of Czechoslovak Chemical Communications" . "Novel method for preparation of highly substituted 6-arylpurines by reactions of 6-alkynylpurines with zirconacyclopentadienes" . . . "RIV/61388963:_____/05:00021581" . . "533345" . . "RIV/61388963:_____/05:00021581!RIV06-GA0-61388963" . "11"^^ . . . "Novel method for preparation of highly substituted 6-arylpurines by reactions of 6-alkynylpurines with zirconacyclopentadienes" . . "CZ - \u010Cesk\u00E1 republika" . . "Nov\u00E1 metoda pro p\u0159\u00EDpravu substituovan\u00FDch 6-arylpurin\u016F reakcemi 6-alkynylpurin\u016F s zirconacyklopentadieny"@cs . "Nov\u00E1 metoda pro p\u0159\u00EDpravu substituovan\u00FDch 6-arylpurin\u016F reakcemi 6-alkynylpurin\u016F s zirconacycklopentadieny."@cs . "3" . . "Reactions of zirconacyclopentadienes with 6-alkynylpurines in the presence of NiBr2(PPh3)2 afforded the corresponding 6-arylpurines."@en . . "Nov\u00E1 metoda pro p\u0159\u00EDpravu substituovan\u00FDch 6-arylpurin\u016F reakcemi 6-alkynylpurin\u016F s zirconacyklopentadieny"@cs . . "purines; nucleosides; alkynes"@en . "[442C4E385A26]" . "Votruba, Ivan" . . . . "Reactions of zirconacyclopentadienes with 6-alkynylpurines in the presence of NiBr2(PPh3)2 afforded the corresponding 6-arylpurines." .