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New rhodium(I) water‐soluble complexes with 1‐alkyl‐1‐azonia‐3,5‐diaza‐7‐phospha‐adamantane iodides and their catalytic activity
Author(s) -
Pruchnik Florian P.,
Smoleński Piotr
Publication year - 1999
Publication title -
applied organometallic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.53
H-Index - 71
eISSN - 1099-0739
pISSN - 0268-2605
DOI - 10.1002/(sici)1099-0739(199911)13:11<829::aid-aoc915>3.0.co;2-s
Subject(s) - chemistry , hydroformylation , rhodium , alkyl , phosphine , catalysis , medicinal chemistry , decane , isomerization , methylcyclopentane , adamantane , water gas shift reaction , stereochemistry , organic chemistry
The water‐soluble phosphine ligands, 1,3,5‐triaza‐7‐phosphatricyclo[3.3.1.1 3,7 ]decane (tpa) and 1‐alkyl‐1‐azonia‐3,5‐diaza‐7‐phosphatricyclo[3.3.1.1 3,7 ]decane iodides (Rtpa + I − ), with alkyl=methyl(mtpa + I − ), ethyl (etpa + I − ) and n‐propyl, (ptpa + I − ), and mtpa + Cl − react with [Rh 2 Cl 2 (CO) 4 ] giving the rhodium(I) complexes [RhCl(CO)(tpa) 2 ], [RhI(CO)(Rtpa + I − ) 2 ], [RhCl‐(CO)(mtpa + Cl − ) 3 ] and [RhI(CO)(Rtpa + I − ) 3 ]. The properties and reactivities of the complexes have been investigated using 1 H and 31 PNMR and IR spectroscopies. The five‐coordinate complexes in solutions show dynamic properties. The complexes are catalysts of the water‐gas shift reaction, the hydrogenation of CC and CO bonds, the hydroformylation of alkenes and the isomerization of unsaturated compounds. Copyright © 1999 John Wiley & Sons, Ltd.