A Study on the Coordinative Versatility of the Zwitterionic S,N,S Ligand EtNHC(S)­Ph 2 P=NPPh 2 C(S)NEt in Its Anionic, Neutral and Cationic Forms – Determination of Absolute p K a Values in CH 2 Cl 2 of Rh I Complexes

Author:

Delferro Massimiliano1,Cauzzi Daniele1,Pattacini Roberto1,Tegoni Matteo1,Graiff Claudia1,Tiripicchio Antonio1

Affiliation:

1. Dipartimento di Chimica Generale ed Inorganica, Chimica Analitica, Chimica Fisica, Università degli Studi di Parma, Viale G.P. Usberti 17/A, 43100, Parma, Italy, Fax: +39‐0521905557

Publisher

Wiley

Subject

Inorganic Chemistry

Reference47 articles.

1.  

2. On the Reaction of Ph2PNHPPh2 with RNCS (R=Et, Ph,p-NO2C6H4): Preparation of the Zwitterionic Ligand EtNHC(S)Ph2PNPPh2C(S)NEt (HSNS) and the Zwitterionic Metalate [(SNS)Rh(CO)]

3. [Rh(CO)(EtSNS)]:1H NMR (300 MHz CDCl3 25 °C TMS):δ= 7.48–7.26 (m 20 H Ph) 3.75 (qd 3JH H= 7.2 Hz 4JH P= 3.9 Hz 4 H CH2) 1.19 (t 3JH H= 7.2 Hz 6 H CH3) ppm.31P{1H} NMR (400 MHz CDCl3 25 °C):δ= 16.6 ppm;

4. FTIR (Diamond crystal HATR):$\tilde {\nu}$= 1951 (νCO) cm–1

5. Zwitterionic Metalates of Group 11 Elements and Their Use as Metalloligands for the Assembly of Multizwitterionic Clusters

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