Metal-Catalyzed Synthesis of Cyclic Carbonates from Carbon Dioxide and Oxiranes

✍ Scribed by Dr. Michael Ratzenhofer; Priv.-Doz. Dr. Horst Kisch

• Publisher: John Wiley and Sons
• Year: 1980
• Tongue: English
• Weight: 216 KB
• Volume: 19
• Category: Article
• ISSN: 0044-8249
• DOI: 10.1002/anie.198003171

✦ Synopsis

Table 1. Iy5Pt-NMR data for some platinum-tin complexes [a].

1runs-[PtC1(SnC1~)(PEt~)~] [c] 28954 -4780 -864 Irun~-[Pt(SnCl~)~(PEt,)~] [d] 20410 -5152 -618 [el trans-[PtH(SnCla)(PEt,)2J [fl 9 067 -5302 -426 truns-[PtH(SnCb)(PPh2CH2Ph)2] [fl 10955 -5322 -428 I~u~~-[P~(C(CO,E~)==CHCOZE~)(S~C~~)(PP~~)Z] [g] 11 320 -4771 -469 [a] Chemical shifts (6 values rel. to external Na,PtCI,) and coupling constants (in Hz). [b] A8=6[PtX(SnC13)(PR3)2]-6[PtX(CI)(PR3)2]. [c] In CD2C12 at -40°C. [d] In (CD3),CO at -50°C. [el 6[PtC12(PEt3)2] -6[Pt(SnC13)2(PEt3)2] divided by 2. [fl In CD2C12 at -70 "C. [g] In CD2Cl2 at room temperature. tmns-[PtH(SnCI3)(PPh,)2l [fl 11512 -5195 -354