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Cited by 10 publications
(11 citation statements)
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“…Freshly prepared bisphosphites 3a-d were treated with the equimolecular amount of 2. Shortly after the addition of 2, a mixture of crystalline (4 ) and oily (4 ) compounds differing in physicochemical and structural properties began to precipitate. Crystalline compounds 4 were isolated with yields of 48-50%.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Freshly prepared bisphosphites 3a-d were treated with the equimolecular amount of 2. Shortly after the addition of 2, a mixture of crystalline (4 ) and oily (4 ) compounds differing in physicochemical and structural properties began to precipitate. Crystalline compounds 4 were isolated with yields of 48-50%.…”
Section: Resultsmentioning
confidence: 99%
“…Pale-yellow finely crystalline complexes 7a,b were precipitated from the reaction mixture within 24 h. Like phosphates 6a,b, they were hardly soluble in organic solvents but stable when kept in the air and solution. Similar complexes of 1,5-and 2,7-naphthodiol cyclophosphites, on the contrary, were well soluble in methylene chloride and unstable in solution and as air-dry forms upon longterm storage [4]. The 31 P NMR spectra of complexes 7a,b exhibited a typical doublet with J P-Rh 263 Hz and a coordination shift of 0.85 (7a) or −1.22 (7b).…”
Section: Methodsmentioning
confidence: 96%
“…Ранее нами были синтезированы фосфациклофаны на основе дигидроксифенолов, [24,25] симметричных [26][27][28] и несимметричных [29][30][31] дигидроксинафталинов. В моле-куле 2,6-дигидроксинафталина гидроксильные группы занимают максимально удаленные β-положения нафта-линовой системы, что делает возможным синтезировать на его основе "двухпалубные" фосфациклофаны.…”
Section: результаты и обсуждениеunclassified
“…Кроме этого, темпе-ратура плавления нафтофосфациклофана 17 гораздо ниже, чем у его "однородных" аналогов и составляет 72-73 °С (Т пл (5b) = 204-205 °C, Т пл (цикло[1,5-бис-(нафтилендиэтиламидофосфита)]) = 112-113 °C). [27] На основании литературных данных, [5] полученных физико-химических характеристик, а также компьютерного моделирования (Рисунок 3а), можно говорить о том, что в молекуле нафтофосфациклофана 17 ароматические фрагменты повернуты друг относительно друга и площадь их перекрывания составляет ≈75 %.…”
Section: P V Slitikov Et Alunclassified
“…Previously we synthesized a series of phosphacyclophanes on the basis of benzene-, biphenyl-, and naphthalenediols [1]. This new type of cavity systems is of particular interest that is associated with the ability of phosphorus to form a wide range of functional groups, as well as by the possibility to make use of the [square] factor characteristic of the starting aromatic systems.…”
mentioning
confidence: 99%