Premium
15‐Membered Triolefinic Macrocycles − Catalytic Role of ( E , E , E )‐1,6,11‐Tris(arenesulfonyl)‐1,6,11‐triazacyclopentadeca‐3,8,13‐triene Complexes of Palladium(0) in the Presence of Phosphanes
Author(s) -
MorenoMañas Marcial,
Pleixats Roser,
Spengler Jan,
Chevrin Carole,
Estrine Boris,
Bouquillon Sandrine,
Hénin Françoise,
Muzart Jacques,
PlaQuintana Anna,
Roglans Anna
Publication year - 2003
Publication title -
european journal of organic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.825
H-Index - 155
eISSN - 1099-0690
pISSN - 1434-193X
DOI - 10.1002/ejoc.200390029
Subject(s) - palladium , chemistry , catalysis , tris , electrospray ionization , mass spectrometry , polymer chemistry , medicinal chemistry , organic chemistry , biochemistry , chromatography
The palladium(0) complexes of ( E , E , E )‐1,6,11‐tris(arenesulfonyl)‐1,6,11‐triazacyclopentadeca‐3,8,13‐trienes deliver palladium to phosphanes with the generation of high concentrations of catalytically active species such as Pd(PPh 3 ) 2 . After oxidation of the phosphanes, the palladium is reincorporated into the macrocycle, thus avoiding agglomeration and precipitation. These conclusions were reached by 31 P NMR, 19 F NMR, and electrospray ionization mass spectrometry studies of telomerization and Tsuji−Trost reactions. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2003)