Design and synthesis of multifunctional thiacalixarenes and related metal derivatives for the preparation of sol–gel hybrid materials with non-linear optical properties
Design and synthesis of multifunctional thiacalixarenes and related metal derivatives for the preparation of sol–gel hybrid materials with non-linear optical properties
The object of the invention is new complexes of derivatives of thiacalix[4]arenes having the formula:
1
R
1a
, R
2a
, R
3a
, R
4a
, R
1b
, R
2b
, R
3b
et R
4b
are such as defined in claim 1 and their utilization, especially for manufacturing of materials having optical limiter properties.