Phenylphosphonitriles. I. cis- and trans-2,4,6-Trichloro-2,4,6-triphenyltriphosphonitriles

The -C N M R spectra of the cydotriphosphazenes N3pJcJ6-n Ph. (n= 2,3,4,6) and the telramenc derivatives 2 , 2 , 6 , 6 N . & ' 4 m and N a 4 P k have been recorded. The carbon chemicsl shifts can be largely explained on the basis of concomitant mesomeric electron release from the benzene ring and inductive electron withdrawal by phosphorus. The magnitude of 'J(P, C-1) for the non-geminal compounds is -40 Hz higher than that observed for the geminal compounds. Some aspects of the NMR data are also discussed with reference to the X-ray a y s t a l structures of several phenyl-substituted cydotri-and cydotetra-phosphazenes.

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Phosphazene. XXI. P‐Amino‐diphospha‐s‐triazine

Schmidpeter¹,

Schindler²

1969

Zeitschrift anorg allge chemie

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Am Phosphor tetra‐ und vicinal di‐chlorfunktionelle Diphospha‐s‐triazine lassen sich mit ammoniak und sekundären Aminen ohne Veränderung des Ringgerüstes substituieren. Die Amino‐diphosphatriazine sind kristalline, wenig polare, basische, hydrolytisch und acidolytisch im allgemeinen beständige Substanzen (Ausnahme: VII). Das cis/trans‐Isomerenverhältnis der vicinal difunktionellen Verbindungen bleibt bei der Substitution im wesentlichen erhalten. Die Struktur der Produkte wird durch 1H‐ und 31P‐NMR‐Spektren belegt.

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Phenylphosphonitriles. I. cis- and trans-2,4,6-Trichloro-2,4,6-triphenyltriphosphonitriles

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Trimeric Phenylphosphonitrile Bromides: (1,3,5‐Tribromo‐L,3,5‐Triphenylcyclotriphosphazatrienes; 2,4,6‐Tribromo‐2,4,6‐Triphenyl‐2,2,4,4,6,6‐Hexahydro‐1,3,5,2,4,6‐Triazatriphosphorines)

Trimeric Phenylphosphonitrile Bromides: (1,3,5‐Tribromo‐L,3,5‐Triphenylcyclotriphosphazatrienes; 2,4,6‐Tribromo‐2,4,6‐Triphenyl‐2,2,4,4,6,6‐Hexahydro‐1,3,5,2,4,6‐Triazatriphosphorines)

A carbon‐13 NMR study of phenyl‐substituted cyclophosphazenes

Phosphazene. XXI. P‐Amino‐diphospha‐s‐triazine

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