Patent classifications
C07C331/28
LIQUID-CRYSTALLINE MEDIUM
The present invention relates to liquid-crystalline media comprising one or more compounds of formula DFS
##STR00001##
in which the groups and parameters occurring have the meanings indicated in claim 1, to high-frequency components comprising same, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, in particular for microwave phased-array antennas. The present invention further relates to novel mesogenic compounds.
LIQUID CRYSTAL PANEL, SWITCHABLE MIRROR PANEL AND SWITCHABLE MIRROR DISPLAY
The present invention provides a liquid crystal panel that achieves low-voltage driving and wide color gamut and suppresses the generation of residual DC voltage caused by UV light included in backlight illumination or the like, a switchable mirror panel including the liquid crystal panel, and a switchable mirror display including the liquid crystal panel. The liquid crystal panel of the present invention includes: a first substrate; a second substrate; a liquid crystal layer held between the first substrate and the second substrate; and a vertical alignment film disposed on a liquid crystal layer side of each of the first substrate and the second substrate. The liquid crystal layer contains a liquid crystal material with a negative anisotropy of dielectric constant. The liquid crystal material contains a tolan liquid crystal compound. The vertical alignment film contains a vertical alignment polymer that includes a main chain and a side chain. The side chain includes a saturated aliphatic functional group at a terminal.
PROCESS FOR THE PREPARATION OF ENZALUTAMIDE
The present invention relates to an improved process for the preparation of enzalutamide by conventional synthesis, which avoids utilization of microwave irradiation and noxious reagents. The present invention also relates to an improved process for preparation of 4-isothiocyanato-2-(trifluoromethyl) benzonitrile, which is an intermediate in the synthesis of Enzalutamide.
PROCESS FOR THE PREPARATION OF ENZALUTAMIDE
The present invention relates to an improved process for the preparation of enzalutamide by conventional synthesis, which avoids utilization of microwave irradiation and noxious reagents. The present invention also relates to an improved process for preparation of 4-isothiocyanato-2-(trifluoromethyl) benzonitrile, which is an intermediate in the synthesis of Enzalutamide.
Pyrazole derivatives
The present invention relates to novel pyrazole derivatives, to processes for preparing these compounds, to compositions comprising these compounds, and to the use thereof as biologically active compounds, especially for controlling harmful microorganisms in crop protection and in the protection of materials. Further, the present invention also relates to certain intermediates useful for producing said novel pyrazole derivatives.
Pyrazole derivatives
The present invention relates to novel pyrazole derivatives, to processes for preparing these compounds, to compositions comprising these compounds, and to the use thereof as biologically active compounds, especially for controlling harmful microorganisms in crop protection and in the protection of materials. Further, the present invention also relates to certain intermediates useful for producing said novel pyrazole derivatives.
COMPOUND, LIQUID CRYSTAL COMPOSITION, AS WELL AS LIQUID CRYSTAL DISPLAY ELEMENT, SENSOR, LIQUID CRYSTAL LENS, OPTICAL COMMUNICATION EQUIPMENT, AND ANTENNA EACH USING THE SAME
It is an object of the present invention to provide a compound that can provide a liquid crystal composition with a high T.sub.ni, a high ?n, a low V.sub.th, a high ??.sub.r, a low tan ?.sub.iso, and high storage stability at low temperatures, a liquid crystal composition, as well as a liquid crystal display element, a sensor, a liquid crystal lens, optical communication equipment, and an antenna each using this. Specifically disclosed are a compound represented by the general formula (i) having an ethynylene group (C?C) and an isothiocyanate group (NCS) and a liquid crystal composition containing one or two or more of the compounds.
COMPOUND, LIQUID CRYSTAL COMPOSITION, AS WELL AS LIQUID CRYSTAL DISPLAY ELEMENT, SENSOR, LIQUID CRYSTAL LENS, OPTICAL COMMUNICATION EQUIPMENT, AND ANTENNA EACH USING THE SAME
It is an object of the present invention to provide a compound that can provide a liquid crystal composition with a high T.sub.ni, a high ?n, a low V.sub.th, a high ??.sub.r, a low tan ?.sub.iso, and high storage stability at low temperatures, a liquid crystal composition, as well as a liquid crystal display element, a sensor, a liquid crystal lens, optical communication equipment, and an antenna each using this. Specifically disclosed are a compound represented by the general formula (i) having an ethynylene group (C?C) and an isothiocyanate group (NCS) and a liquid crystal composition containing one or two or more of the compounds.
Process for the preparation of Enzalutamide
The present invention relates to an improved process for the preparation of enzalutamide by conventional synthesis, which avoids utilization of microwave irradiation and noxious reagents. The present invention also relates to an improved process for preparation of 4-isothiocyanato-2-(trifluoromethyl) benzonitrile, which is an intermediate in the synthesis of Enzalutamide.
Process for the preparation of Enzalutamide
The present invention relates to an improved process for the preparation of enzalutamide by conventional synthesis, which avoids utilization of microwave irradiation and noxious reagents. The present invention also relates to an improved process for preparation of 4-isothiocyanato-2-(trifluoromethyl) benzonitrile, which is an intermediate in the synthesis of Enzalutamide.