13985-43-8

Upstream product

• 2444-19-1 4-hydroxyphenyl benzoate 
• 110-46-3 isopentyl nitrite 
• 98-88-4 benzoyl chloride 
• 123-31-9 hydroquinone 
• 2444-21-5 (4'-benzyloxyphenyl)benzoate 
• 103-16-2 4-Benzyloxyphenol 
• 500584-12-3 1,4-bis-benzoyloxy-2-nitro-benzene 
• 64-19-7 acetic acid 
• 64-17-5 ethanol 
• 7697-37-2 nitric acid 

Downstream Products

• 203718-41-6 Benzoic acid 4-((R)-1-ethoxycarbonyl-ethoxy)-3-nitro-phenyl ester 
• 391904-79-3 benzoic acid 4-benzyloxy-3-nitro-phenyl ester 
• 180594-89-2 4-[(R)-(-)-2-(9-decenyl)oxy]-3-nitrophenol 
• 180594-90-5 4'-Undec-10-enyloxy-biphenyl-4-carboxylic acid 4-((R)-1-methyl-non-8-enyloxy)-3-nitro-phenyl ester 
• 180594-91-6 4'-(11-Hydroxy-undecyloxy)-biphenyl-4-carboxylic acid 4-((R)-9-hydroxy-1-methyl-nonyloxy)-3-nitro-phenyl ester 
• 180594-92-7 4'-(11-acryloyloxy-undecyloxy)-biphenyl-4-carboxylic acid 4-(9-acryloyloxy-1(R)-methyl-nonyloxy)-phenyl ester 
• 16090-33-8 2-nitrohydroquinone 
• 53939-77-8 4-hydroxy-3-aminophenyl benzoate 
• 1430330-90-7 N-(4-chlorophenyl)-5-(2-(5-((((1-ethyl-1H-1,2,3-triazol-4-yl)methyl)(isopropyl)amino)methyl)pyridin-2-yl)thieno[3,2-b]pyridin-7-yloxy)benzo[d]oxazol-2-amine 
• 1430331-49-9 N-(4-chlorophenyl)-5-(2-(5-((prop-2-ynylamino)methyl)pyridin-2-yl)thieno[3,2-b]pyridin-7-yloxy)benzo[d]oxazol-2-amine 
• 1430330-86-1 4-((6-(7-(2-(4-chlorophenylamino)benzo[d]oxazol-5-yloxy)thieno[3,2-b]pyridin-2-yl)pyridin-3-yl)methyl)amino-N-(2-(diethylamino)ethyl)benzamide 
• 1430330-82-7 N-(1-((6-(7-(2-(4-chlorophenylamino)benzo[d]oxazol-5-yloxy)thieno[3,2-b]pyridin-2-yl)pyridin-3-yl)methyl)piperidin-4-yl)-2-hydroxyacetamide 
• 1430331-47-7 2-(((6-(7-(2-(4-chlorophenylamino)benzo[d]oxazol-5-yloxy)thieno[3,2-b]pyridin-2-yl)pyridin-3-yl)methyl)piperidin-4-ylamino)-2-oxoethyl acetate 
• 1430331-45-5 5-(2-(5-((4-aminopiperidin-1-yl)methyl)pyridin-2-yl)thieno[3,2-b]pyridin-7-yloxy)-N-(4-chlorophenyl)benzo[d]oxazol-2-amine 

Relevant academic research and scientific papers

Synthesis and properties of 2-phenylbenzoxazole-based luminophores for in situ photopolymerized liquid-crystal films

We report the synthesis of a series of blue-emitting 2-phenylbenzoxazoles (PBOs) substituted at either the 5- or 6-position of the benzoxazole ring and the para-position of the phenyl substituent. The thermal and optical properties of the materials can be rationalized in terms of the position of the substituent at the benzoxazole moiety and the electron-withdrawing or electron-donating character of the substituents. From the results, we conclude that the combination of an electron-donating substituent at the benzoxazole fragment and an electron-withdrawing one at the phenyl fragment has a more marked effect on the electronic properties of the aromatic PBO core than other possibilities. This particular combination gives luminophores that are suitable for optical applications on the basis of their high emission efficiency and photostability. In view of that, oriented films were prepared by in situ polymerization of a mixture of a liquid crystalline direactive matrix containing 5% (w/w) of the luminophore. The films exhibit linearly polarized emission.

Nitro-group-directed selective deacylation and desulfonation

Nitro-substituted phenolic esters and sulfonates were successfully and selectively deacylated and desulfonated, respectively. The directing effect of the nitro group is supported by the excellent regioselectivities and good yields. These reactions demonst

The intrinsic photoferroelectric effect in the smectic C* phase of a chiral azobenzene

The ferroelectric properties in the liquid-crystalline smectic C* phase of the chiral mesogenic azobenzene (S)-4-(4-decyloxy-phenylazo)benzoic acid 4-(1-methylhexyloxy)-3-nitro-phenyl ester ('W470') were studied and found to be strongly dependent on the i

Effects of nitro substituents on the properties of a ferroelectric liquid crystalline side chain polysiloxane

The syntheses of chiral liquid crystalline side chain polysiloxanes with lateral nitro substituents in the mesogenic core are described. The influence of the substituents and substituent positions on phase behaviour and electro-optical properties are investigated and compared. The lateral nitro groups strongly affect the phase behaviour of the side chain precursors as well as the liquid crystalline polymers. Properties in smectic A and C* phases are discussed with respect to substituent position. One side chain precursor exhibits very large spontaneous polarization of ～700 nC cm-2.

Preparation of a novel cross-linked polymer for second-order nonlinear optics

A novel cross-linked pyroelectric polymer with pronounced second-order nonlinear optical properties has been prepared. A multistep synthesis with several selective transformations including a kinetic resolution (transesterification) with the highly enantioselective Candida antarctica lipase B, yielded the monomer 4''-{(R)-(-)-2[(10-acryloyloxy)decyl]oxy}-3-nitrophenyl 4-{4'-[(11-acryloyloxy)undecyloxy]phenyl}benzoate A2c which displayed a ferroelectric chiral smectic C phase with large spontaneous polarization (175 nC/cm2). The monomer was poled and subsequently cross-linked by in-situ photopolymerization in the surface-stabilized ferroelectric liquid crystalline state. The cross-linked pyroelectric polymer exhibited an electro-optical coefficient (r22-r12) of 15-35 pm/V.

An efficient two-phase nitration of para-substituted phenols: application to the synthesis of key intermediates for ferroelectric liquid crystalline compounds

Para-substituted phenols are easily ortho-nitrated at room temperature by NaNO3 in a two-phase system (water/organic solvent) in the presence of HCl and a catalytic amount of acetic anhydride.This procedure is applied to the synthesis of key intermediates that are useful in the preparation of ferroelectric liquid crystals with high polarization and potentially interesting NLO properties. nitration / ferroelectric liquid crystal / second harmonic generation

NITRIC ACID ON SILICA GEL: A USEFUL NITRATING REAGENT FOR ACTIVATED AROMATIC COMPOUNDS

Phenols and arylmethyl ethers are rapidly mononitrated by nitric acid adsorbed in silica gel at room temperature in high yields.