Tris-trimethyl-plunbyl -heptaphospha-nortricyclen P t ( PbWer), /I/ Dieter Weber. Carlos W j i c a und Hans Georg von Schnering lblekulare Verbindungen m i t Phosphor-Bleidindungen sind imr noch eine Raritit. Zu den wenigen Beispielen zlhlen die von H.Schumann e t al. beschriebenen substituierten Ph
Tris(trimethylplumbyl)heptaphospha-nortricyclen P7(PbMe3)3[1]
✍ Scribed by Dr. Dieter Weber; Carlos Mujica; Prof. Dr. Hans Georg von Schnering
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- English
- Weight
- 209 KB
- Volume
- 94
- Category
- Article
- ISSN
- 0044-8249
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The photo-induced substitution of a CO ligand has been used to prepare the halfsandwich complexes (η 3 -C 3 H 5 )V(CO) 4 [P(C 7 H 7 ) 3 ] (1), (η 5 -C 5 H 5 )V(CO) 3 [P(C 7 H 7 ) 3 ] (2), (η 7 -C 7 H 7 )V(CO) 2 [P(C 7 H 7 ) 3 ] ( 3), (η 6 -C 6 H 3 Me 3 )Cr(CO) 2 [P(C 7 H 7 ) 3 ] (4), and (η 5 -C 5 H
## Abstract The protonation constants of 2‐[4,7,10‐tris(phosphonomethyl)‐1,4,7,10‐tetraazacyclododecan‐1‐yl]acetic acid (H~7~DOA3P) and of the complexes [Ln(DOA3P)]^4−^ (Ln=Ce, Pr, Sm, Eu, and Yb) have been determined by multinuclear NMR spectroscopy in the range pD 2–13.8, without control of ionic