Reactions of cyclochlorotriphosphazatriene with 1-amino-2-propanol. Calorimetric and spectroscopic investigations of the derived products

Yıl 2018, , 1033 - 1047, 01.06.2018

Murat Tuna , Sedat Türe Rafig Gurbanov

https://doi.org/10.16984/saufenbilder.384736

Öz

Reactions of hexachlorocyclotriphosphazatriene,
N₃P₃Cl₆ (1)
with 1-amino-2-propanol (2), in
(1:1:2, 1:2:4 and 1:3:6) mole ratios, in excess of NaH, in THF and acetonitril solutions
yield a total of 6 novel products:one
mono-open chain, N₃P₃Cl₅[HN-CH₂-CH(CH₃)-OH]
(3); one monospiro,  N₃P₃Cl₄[O-CH(CH₃)-CH₂-NH]
(4); one trans bis-open chain, N₃P₃Cl₄[HN-CH₂CH(CH₃)-OH]₂
(5); one dispiro, N₃P₃Cl₂[O-HC(CH₃)-CH₂-NH]₂
(7); one tri-open chain, N₃P₃Cl₃[HN-CH₂CH(CH₃)-OH]₃
(6); and one tri-spiro, N₃P₃[O-HC(CH₃)-CH₂-NH]₃(8) derivatives.These compounds have
interesting structural aspects as well as physical properties. Their structures
were established by elemental analysis, TL-MS, ³¹P and ¹H
NMR spectral data. Stability constants were determined
using a simple potentiometric titration. For evaluation of melting behavior
and purity of derivatives (7) and (8), thermal transition peaks and their
corresponding enthalpies were determined via DSC technique. Spectroscopic
data, product types and relative
yields are compared with those of the previously investigated derivatives of N₃P₃Cl₆
(1) with aliphatic difunctional reagents.

Anahtar Kelimeler

Hexachlorocyclotriphosphazene, 1-amino-2-propanol, spiro compounds, open chain compounds

Kaynakça

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