Reaction of layered vanadium phosphorus oxides, VOPO4•2H2O and VOHPO4•0.5H2O, with amines and formation of exfoliative intercalation compounds
Reaction of layered vanadium phosphorus oxides, VOPO4•2H2O and VOHPO4•0.5H2O, with amines and formation of exfoliative intercalation compounds
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DOI：
10.1039/a908139i
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发表时间：
2000-01-01
影响因子：
--
通讯作者：
Okuhara, T
中科院分区：
文献类型：
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作者：
Nakato, T;Furumi, Y;Okuhara, T
层状钒磷氧化物VOPO4的反应。2H(2)O和VOHPO4。研究了0.5H(2)O与脂肪族胺和芳族胺的插层反应。VOPO4。将2H(2)O与4-丁苯胺进行插层，得到的插层化合物在四氢呋喃中搅拌剥落。通过去除脱落固体悬浮液中的溶剂，重建了插层化合物的层状结构，而重新排列的层序对实验条件很敏感。与4-丁苯胺长时间反应导致层状结构部分坍塌，表明层状结构具有亚稳性。VOPO4。2H(2)O与苯胺、4-苯胺苯胺和4-丁苯胺形成插层化合物。另一方面，与碱性比芳香胺更强的n-烷基胺反应导致VOPO4的层状结构崩溃。2 h (2) O。此外，VOHPO4。0.5H(2)O不与苯胺和吡啶等芳香胺反应，而与正烷基胺反应不产生插层化合物，而是形成盐，其中主体晶格的结构没有保留。
Reactions of layered vanadium phosphorus oxides, VOPO4. 2H(2)O and VOHPO4. 0.5H(2)O, with aliphatic and aromatic amines were investigated with regard to the formation of intercalation compounds. VOPO4. 2H(2)O was intercalated with 4-butylaniline, and the obtained intercalation compound was exfoliated by stirring in THF. The layered structure of the intercalation compound was reconstructed by removal of the solvent from the suspension of exfoliated solid, while ordering of the restacked layers was sensitive to the experimental conditions. The reactions with 4-butylaniline for prolonged periods caused partial collapse of the layered structure, indicating metastability of the intercalated structure. VOPO4. 2H(2)O formed intercalation compounds with aniline and 4-anilinoaniline as well as 4-butylaniline. On the other hand, reactions with n-alkylamines, which are more basic than aromatic amines, brought about collapse of the layered structure of VOPO4. 2H(2)O. In addition, VOHPO4. 0.5H(2)O did not react with aromatic amines such as aniline and pyridine, while reactions with n-alkylamines did not give intercalation compounds but led to the formation of salts, where the structure of the host lattice was not retained.