220436-96-4

Upstream product

• 4746-97-8 cyclohexanedione monoethylene ketal 
• 156573-09-0 1-bromo-4-ethoxy-2,3-difluorobenzene 
• 144292-32-0 2,3-difluoro-4-bromophenol 

Downstream Products

• 220437-02-5 4-(2,3-difluoro-4-ethoxyphenyl)-cyclohexanone 
• 220437-00-3 8-(2,3-difluoro-4-ethoxyphenyl)-1,4-dioxaspiro[4.5]decane 
• 1314964-79-8 C₁₄H₁₈F₂O₂ 
• 174350-08-4 1-ethoxy-2,3-difluoro-4-(trans-4-propylcyclohexyl)benzene 

Relevant academic research and scientific papers

LIQUID CRYSTAL COMPOUND, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY ELEMENT

PROBLEM TO BE SOLVED: To improve Δn of a liquid crystal compound. SOLUTION: One aspect of the present invention is a liquid crystal compound represented by general formula (i) [where Ri1 is a C1 to 15 alkyl group or the like, Ri2 is

Method for synthesizing trans-4-alkylcyclohexyl benzene structure liquid crystal intermediates and monomers

The invention discloses a method for synthesizing trans-4-alkylcyclohexyl benzene structure liquid crystal intermediates and monomers and belongs to the technical field of trans-cyclohexyl benzene liquid crystal. The method comprises the following steps:

A process for the preparation of vinyl liquid crystal monomer

The invention relates to a preparation method of trienes liquid crystal monomers. The method comprises the following steps: using alkyl 2,3-difluorobenzene, alkoxy 2,3-difluorobenzene, 1-bromine-4-alkyl 2,3-difluorobenzene or 1-bromine-4-alkoxy 2, 3-diflu

LIQUID CRYSTALLINE COMPOUND WITH NEGATIVE DIELECTRIC ANISOTROPY, LIQUID CRYSTAL COMPOSITION USING SAME, AND LIQUID CRYSTAL DISPLAY ELEMENT

The invention provides a liquid crystal compound having general physical properties necessary for the liquid crystal compound, namely, stability to heat, light and so forth, a small viscosity, a refractive index anisotropy having a suitable magnitude value, a dielectric anisotropy having a suitable magnitude value, steep electrooptical characteristics, a wide temperature range of a nematic phase, and an excellent compatibility with other liquid crystal compounds, in particular, a liquid crystal compound having a wide temperature range of the nematic phase; a compound represented by formula (i): wherein, for example, R1 and R2 are alkyl having 1 to 8 carbons or alkenyl having 2 to 8 carbons; ring A1 is trans-1,4-cyclohexylene or 1,4-phenylene; ring A2 is trans-1,4-cyclohexylene or 2,3-difluoro-1,4-phenylene; Q1 and Q2 are fluorine or chlorine; and h is 0, 1 or 2.

TRICYCLIC LIQUID CRYSTALLINE COMPOUND HAVING LATERAL FLUORINE, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE

The invention provides a liquid crystal compound having stability to heat, light and so forth, a wide temperature range of a nematic phase, a small viscosity, a large optical anisotropy and a suitable elastic constant K33 (K33: bend elastic constant), and further having a suitable and negative dielectric anisotropy and an excellent compatibility with other liquid crystal compounds, and provides a liquid crystal composition having a small viscosity, a large optical anisotropy, a suitable elastic constant K33, a suitable and negative dielectric anisotropy, and further having a low threshold voltage, a high maximum temperature of a nematic phase and a low minimum temperature of the nematic phase. In a specific structure having phenylene in which hydrogen on the benzene ring is replaced by fluorine, a three-ring liquid crystal compound having fluorine at a lateral position, and a liquid crystal composition containing the compound are prepared.

Hexahydrodibenzofuran derivatives

Disclosed are hexahydrodibenzofuran compounds of formula I, the preparation thereof, the use thereof as components in liquid-crystalline media, and to electro-optical display elements which contain the liquid-crystalline media according to the invention.