Počet záznamů: 1
Cyclotrimerization of 6-ethynylpurines. Synthesis of 1,2,4- and 1,3,5-tris(purin-6-yl)benzenes as novel Hoogsteen-triplet analogues
- 1.0194282 - UOCHB-X 20010127 RIV NL eng J - Článek v odborném periodiku
Hocek, Michal - Stará, Irena G. - Starý, Ivo - Dvořáková, H.
Cyclotrimerization of 6-ethynylpurines. Synthesis of 1,2,4- and 1,3,5-tris(purin-6-yl)benzenes as novel Hoogsteen-triplet analogues.
Tetrahedron Letters. Roč. 42, č. 3 (2001), s. 519-521. ISSN 0040-4039. E-ISSN 1873-3581
Grant CEP: GA ČR GA203/00/0036; GA ČR GA203/99/1448
Výzkumný záměr: CEZ:AV0Z4055905
Klíčová slova: purines * cyclotrimerizations
Kód oboru RIV: CC - Organická chemie
Impakt faktor: 2.280, rok: 2001
Cyclotrimerization reactions of the 9-protected 6-ethynylpurines 4a,b in the presence Ni(COD)2 or Ni(COD)2/PPh3 gave the 1,2,4- and 1,3,5-tris(purin-6-yl)benzenes 5a,b and 6a,b in moderate to good yields (in a 4:1 to 10:1 ratio).
Trvalý link: http://hdl.handle.net/11104/0089965
Počet záznamů: 1