FLF is a life-threatening disease. Hepatic coma exerts dramatic impact on patient survival. At present, LTx is the treatment modality of choice that provides significant improvement in outcome of most patients with FLF. Multiple attempts have been made to reduce mortality and improve the patient's condition. One of the new options is AD - MARS. We present the case of a 11-yr-old boy with FLF and hepatic coma who avoided the scheduled LTx because of rapid neurological and biochemical improvement immediately after three MARS sessions.
Synthesis of a group of carbonyl rhenium coordination compounds with hydrospirophosphorane ligands was carried out and described. Different symmetrical HP(OCH2CH2NH)2L1, HP(OCH2CMe2NH)2L2, HP(OC6H4NH)2L3, and unsymmetrical ligands HP (OCMe2CMe2O)(OC6H4NH) L4 were found to coordinate to the rhenium center as bidentate P,N donor ligands yielding fac‐[ReCl (CO)3Ln], where n = 1–4. Furthermore, monodentate coordination was also observed in some cases, as was clearly presented in the case of [ReCl(CO)2(L4‐κ2P,N)(L4‐κP)] complex. All of the complexes were characterized using optical spectroscopy. Single‐crystalX‐ray diffraction was also performed in the case of fac‐[ReCl(CO)3L3], fac‐[ReCl(CO)3L4], [Re(CO)2(L2)2]Cl and [ReCl (CO)2(L4‐κ2P,N)(L4‐κP)] samples. Complexes [ReCl(CO)3L3] and [ReCl (CO)3L4], both bearing rings of conjugated double bonds within hydrospirophosphorane ligands, exhibited luminescence. Catalytic properties of rhenium complexes were assessed using the representative fac‐[ReCl (CO)3L2] complex in the dimerization reaction of terminal alkynes. An efficient and selective procedure for synthesis of the E‐enynes was developed. Coupling of (2‐chlorophenyl)acetylene was mediated by [ReCl (CO)3L2]/TBAF system with a 100% conversion rate. Different substituents within aromatic alkynes were tolerated and the resulting products were dependent on the nature of the substituents.
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