TY - JOUR
T1 - Thiolated Janus silsesquioxane tetrapod : new precursors for functional materials
AU - Laird, Mathilde
AU - Carcel, Carole
AU - Unno, Masafumi
AU - Bartlett, John R.
AU - Wong Chi Man, Michael
PY - 2022
Y1 - 2022
N2 - Herein, we report synthetic strategies for the development of a bifunctional Janus T4 tetrapod (Janus ring), in which the orthogonal silsesquioxane and organic faces are independently functionalized. An all‐cis T4 tetrasilanolate was functionalized to introduce thiol moieties on the silsesquioxane face and naphthyl groups on the organic face to introduce luminescent and self‐or‐ ganization properties. The stepwise synthesis conditions required to prepare such perfectly defined oligomers via a suite of well‐defined intermediates and to avoid polymerization or reactions over all eight positions of the tetrapod are explored via 29Si, 13C and 1H NMR, FTIR and TOF‐ESI mass spectroscopy. To the best of our knowledge, this is one of the few reports of Janus T4 tetrapods, with different functional groups located on both faces of the molecule, thus expanding the potential range of applications for these versatile precursors.
AB - Herein, we report synthetic strategies for the development of a bifunctional Janus T4 tetrapod (Janus ring), in which the orthogonal silsesquioxane and organic faces are independently functionalized. An all‐cis T4 tetrasilanolate was functionalized to introduce thiol moieties on the silsesquioxane face and naphthyl groups on the organic face to introduce luminescent and self‐or‐ ganization properties. The stepwise synthesis conditions required to prepare such perfectly defined oligomers via a suite of well‐defined intermediates and to avoid polymerization or reactions over all eight positions of the tetrapod are explored via 29Si, 13C and 1H NMR, FTIR and TOF‐ESI mass spectroscopy. To the best of our knowledge, this is one of the few reports of Janus T4 tetrapods, with different functional groups located on both faces of the molecule, thus expanding the potential range of applications for these versatile precursors.
UR - https://hdl.handle.net/1959.7/uws:67978
U2 - 10.3390/molecules27227680
DO - 10.3390/molecules27227680
M3 - Article
SN - 1420-3049
VL - 27
JO - Molecules
JF - Molecules
IS - 22
M1 - 7680
ER -