Issue 20, 2011

Synthesis and crystal structure of tris(2,3-triphenylenedioxy)cyclotriphosphazene: a new clathration system

Abstract

A new host compound TTPP (tris(2,3-triphenylenedioxy)cyclotriphosphazene), which is able to form a porous network, has been synthesized in five steps. When it crystallizes as a single component, TTPP exhibits a crystal structure with a monoclinic unit cell, the space groupP21/c (no. 14) and unit cell dimensions of a = 14.909(2) Å, b = 31.013(4) Å, c = 9.074(1) Å, β = 102.12(1)°. Co-crystallization of TTPP with 1,2,4-trichlorobenzene forms an inclusion crystal having a triclinic unit cell with a P[1 with combining macron] space group (no. 2) and unit cell dimensions of a = 8.769(2) Å, b = 15.024(2) Å, c = 21.216(2) Å, α = 94.82(0)°, β = 99.98(0)°, γ = 98.23(1). The guest lies in two kinds of channel-like cavities with dimensions of 6.1 × 8.4 Å2 and 10.7 × 12.4 Å2 respectively. This represents the biggest porous network built up by spirocyclotriphosphazene derivatives to date.

Graphical abstract: Synthesis and crystal structure of tris(2,3-triphenylenedioxy)cyclotriphosphazene: a new clathration system

Supplementary files

Article information

Article type
Paper
Submitted
21 Apr 2011
Accepted
21 Jun 2011
First published
03 Aug 2011

CrystEngComm, 2011,13, 6050-6056

Synthesis and crystal structure of tris(2,3-triphenylenedioxy)cyclotriphosphazene: a new clathration system

M. Reynes, O. J. Dautel, D. Virieux, D. Flot and J. J. E. Moreau, CrystEngComm, 2011, 13, 6050 DOI: 10.1039/C1CE05529A

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