Phosphorpentachlorid Und Calix[4]aren

Gloede, J.; Costisella, Burkhard; Ramm, M.; Bienert, Ralf

doi:10.1080/10426509308034334

Cited by 26 publications

(33 citation statements)

References 9 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…35 Chiral calixarenes are "host" molecules capable of enantio-or diastereoselective recognition. 36 Functionalization of calix [4]arene derivatives with phosphorus containing groups in more than one coordination and/or oxidation state of the phosphorus atom bonded to the lower rim of the molecules (e.g. derivatives A, B, C, D in Fig.…”

Section: Introduction *mentioning

confidence: 99%

“…1) has attracted the attention of several research groups. 2,4,5,[37][38][39]40,41 Phosphorus(III)-containing calix [4]arenes are extensively investigated, because of their ability to act as multidentate ligands in transition metal chemistry. [10][11][12][13][14][15][16][17][37][38][39][40][41][42] Complexation of transition metal ions by p-tert-butylcalix [4]arene-tetrakis(diphenylphosphinite) and p-tert-butylcalix [4]arenetetrakis-(dimethylphosphinite) with formation of the mono-, homodi-and heterodimetallic complexes 42 was reported.…”

Section: Introduction *mentioning

confidence: 99%

See 1 more Smart Citation

Ethoxy-tethered calix[4]arenes containing P(III) substituents and trimethylsiloxy groups as building blocks in supramolecular chemistry; cis/trans intra- and intermolecular complexation of dichloroplatinum(II) fragments

Neda¹,

BALCU²,

MACARIE³

2021

Rev.Roum.Chim.

View full text Add to dashboard Cite

p-tert-Butylcalix[4]arene 1 reacts with bromoethyl acetate and LiAlH4 to form the p-tert-butyl-tetrakis(2-hydroxyethoxy)calix[4]arene 8 bearing four ethyl-spacers at the lower rim of the calixarene. Reaction of 8 with Et2NSiMe3 leads to the tetrakis-substituted derivative 9. Treatment of 9 with PF2Cl gives the stable tetrakis-fluorophosphite 10, while the reaction with 2-chloro-1,3,5-trimethyl-1,3,5-triaza-2σ3λ3-phosphorin-4,6-dione furnishes the tetrakis-substituted molecule 11. When 11 was allowed to react with SO2Cl2, formation of the tetrakis(2-chloro)ethyl substituted calix[4]arene 13 was observed. All examined calixarene derivatives are exclusively obtained in the cone conformer. Reaction of 11 with dichloro(cyclooctadiene)platinum(II) leads to the symmetrically four-times bridged dimmer 15, which exhibits a trans orientation of the atoms surrounding the platinum(II) atom and involves all eight phosphorus atoms in the bridges. When 10 was treated with (COD)PtCl2, the cis intermolecular complex 16 was obtained.

show abstract

Section: Introduction *mentioning

confidence: 99%

Section: Introduction *mentioning

confidence: 99%

Ethoxy-tethered calix[4]arenes containing P(III) substituents and trimethylsiloxy groups as building blocks in supramolecular chemistry; cis/trans intra- and intermolecular complexation of dichloroplatinum(II) fragments

Neda¹,

BALCU²,

MACARIE³

2021

Rev.Roum.Chim.

View full text Add to dashboard Cite

show abstract

Section: Introductionmentioning

confidence: 99%

“…[2] They are of particular interest for the complexation of cations, especially the cations of the f-block elements. [3] Recent work by our group includes the synthesis of calix[n]arene phosphates with n ϭ 4, 6, and 8, as well as thiacalix [4]arene. [4Ϫ7] These compounds have phosphoryl units that act either as µ 2 -or µ 3bridges between phenolic oxygen atoms of the macrocyclic framework (cyclic and bicyclic phosphates) or simply behave as pendant P(O)(OR) 2 moieties (acyclic phosphates).…”

Section: Introductionmentioning

confidence: 99%