Synthesis and structural characterization of geminal and non-geminal 1,1,3,3-tetramethylguanidine substituted derivatives of cyclotriphosphazene: Thermal and spectroscopic investigations of the products

TÜRE S., GURBANOV R.

Phosphorus, Sulfur and Silicon and the Related Elements, cilt.193, sa.10, ss.620-629, 2018 (SCI-Expanded) identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 193 Sayı: 10
  • Basım Tarihi: 2018
  • Doi Numarası: 10.1080/10426507.2018.1487434
  • Dergi Adı: Phosphorus, Sulfur and Silicon and the Related Elements
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.620-629
  • Anahtar Kelimeler: Differential Scanning Calorimetry, geminal product, nongeminal product, Phosphazene, tetramethylguanidine
  • Bilecik Şeyh Edebali Üniversitesi Adresli: Evet

Özet

© 2018, © 2018 Taylor & Francis Group, LLC.The reactions of hexachlorocyclotriphosphazene, N3P3Cl6 (1) with 1,1,3,3-tetramethyl-guanidine (2) in (1:1:2, 1:2:4 and 1:3:6) stoichiometries in THF and dichloromethane solutions under reflux yield a total of 4 novel products: three non-geminal derivatives, N3P3Cl4[NCN2(CH3)4]2 (3), N3P3Cl3[NCN2(CH3)4]3 (4) and N3P3Cl2[NCN2(CH3)4]4 (5); and one hexa-substituted product, N3P3[NCN2(CH3)4]6 (6). The structures of 3-6 have been determined mainly by elemental analysis, MS, 31P and 1H NMR spectral data. Furthermore, thermal characteristics of the synthesized compounds 4 and 6 were evaluated using Differential Scanning Calorimetric (DSC) measurements. NMR spectroscopic data, product types and relative yields are compared with those of the previously investigated derivatives of N3P3Cl6 (1) with mono and difunctional reagents.