Xiao, Zhi-qiang’s team published research in Yingyong Huagong in 43 | CAS: 59721-16-3

Yingyong Huagong published new progress about 59721-16-3. 59721-16-3 belongs to esters-buliding-blocks, auxiliary class Amine,Benzene,Phenol,Ester,Amide, name is 2-(Dimethylamino)-2-oxoethyl 2-(4-hydroxyphenyl)acetate, and the molecular formula is C16H11Cl2N3O2, HPLC of Formula: 59721-16-3.

Xiao, Zhi-qiang published the artcileStudy on synthesis process of p-hydroxyphenyl acetic acid-N,N-dimethylformamide, dimethyl carbamyl, HPLC of Formula: 59721-16-3, the publication is Yingyong Huagong (2014), 43(12), 2237-2238, database is CAplus.

Using N,N-dimethyl-2-chloro-acetamide, 4-hydroxyphenyl acetic acid, triethylamine, etc. as raw materials, the reaction in acetonitrile, HPLC was used to detect hydroxyphenyl acetic acid for synthesis of N,N-dimethylformamide, carbamoyl ester (compound B). The result showed that the optimal synthesis parameters were: reaction time 12 h, the reaction temperature 60 degree C, the amount of solvent 2200 m L, and material ratio of n(4-hydroxyphenyl acetic acid):n(N, N-dimethyl-2-chloroacetamide) = 1:1.10. Under the optimal conditions the yield was 86%, with a purity of over 98%.

Yingyong Huagong published new progress about 59721-16-3. 59721-16-3 belongs to esters-buliding-blocks, auxiliary class Amine,Benzene,Phenol,Ester,Amide, name is 2-(Dimethylamino)-2-oxoethyl 2-(4-hydroxyphenyl)acetate, and the molecular formula is C16H11Cl2N3O2, HPLC of Formula: 59721-16-3.

Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics

Beevor, Peter S.’s team published research in Journal of Chemical Ecology in 25 | CAS: 16974-11-1

Journal of Chemical Ecology published new progress about 16974-11-1. 16974-11-1 belongs to esters-buliding-blocks, auxiliary class Aliphatic Chain, name is (Z)-Dodec-9-en-1-yl acetate, and the molecular formula is C14H26O2, Name: (Z)-Dodec-9-en-1-yl acetate.

Beevor, Peter S. published the artcileIdentification and field evaluation of components of female sex pheromone of millet stem borer, Coniesta ignefusalis, Name: (Z)-Dodec-9-en-1-yl acetate, the publication is Journal of Chemical Ecology (1999), 25(12), 2643-2663, database is CAplus.

Five active compounds were detected during analyses of ovipositor washings and effluvia from virgin female Coniesta ignefusalis moths by gas chromatog. (GC) linked to electroantennog. (EAG) recording from a male moth. These were identified as (Z)-7-dodecen-1-ol (Z7-12:OH), (Z)-5-decen-1-ol (Z5-10:OH), (Z)-7-dodecenal (Z7-12:Ald), (Z)-7-dodecenyl acetate (Z7-12:Ac), and (Z)-9-tetradecen-1-ol (Z9-14:OH) by comparison of their GC retention times, mass spectra, and EAG activities with those of synthetic standards Laboratory tests of dispensers for these compounds showed that release rates from polyethylene vials increased to relatively uniform values after three to four days, but release from septa was very rapid and nonuniform and decreased to low levels after two to three days. Trapping tests in Niger showed that the major component, Z7-12:OH, and two of the minor components, Z5-10:OH and Z7-12:Ald, were essential for attraction of male C. ignefusalis moths. The most attractive blend contained these three components in a 100:5:3.3 ratio in a polyethylene vial, which emitted the components in similar proportions to those produced by the female C. ignefusalis moth. Water traps baited with this blend containing 1 mg of Z7-12:OH caught more male C. ignefusalis moths than traps baited with newly emerged female moths. Addition of up to 10% of the corresponding E isomers of the pheromone components had no effect on catches, but addition of the other two minor components detected, Z7-12:Ac and/or Z9-14:OH, to the attractive blend at naturally occurring levels caused significant reductions in trap catch.

Journal of Chemical Ecology published new progress about 16974-11-1. 16974-11-1 belongs to esters-buliding-blocks, auxiliary class Aliphatic Chain, name is (Z)-Dodec-9-en-1-yl acetate, and the molecular formula is C14H26O2, Name: (Z)-Dodec-9-en-1-yl acetate.

Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics

Guo, Guangzhong’s team published research in Youji Huaxue in | CAS: 16974-11-1

Youji Huaxue published new progress about 16974-11-1. 16974-11-1 belongs to esters-buliding-blocks, auxiliary class Aliphatic Chain, name is (Z)-Dodec-9-en-1-yl acetate, and the molecular formula is C14H26O2, Formula: C14H26O2.

Guo, Guangzhong published the artcileStudy on the resolution of geometric isomers of insect sex pheromones with capillary column GC, Formula: C14H26O2, the publication is Youji Huaxue (1984), 349-54, database is CAplus.

Geometric isomers of cis– and trans-dodecen-1-ol and their acetates were resolved by capillary gas chromatog. Seven different stationary phases were compared: XE-60, DEGS, PEG, FFAP, QF-1, OV-17, and OV-351. Retention times and Kovats indexes are shown.

Youji Huaxue published new progress about 16974-11-1. 16974-11-1 belongs to esters-buliding-blocks, auxiliary class Aliphatic Chain, name is (Z)-Dodec-9-en-1-yl acetate, and the molecular formula is C14H26O2, Formula: C14H26O2.

Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics

Guo, Shengrong’s team published research in Youji Huaxue in 32 | CAS: 3052-61-7

Youji Huaxue published new progress about 3052-61-7. 3052-61-7 belongs to esters-buliding-blocks, auxiliary class Amine,Benzene,Amide, name is Benzyl diethylcarbamodithioate, and the molecular formula is C12H17NS2, SDS of cas: 3052-61-7.

Guo, Shengrong published the artcileHighly efficient catalyst-free one-pot synthesis of dithiocarbamates under solvent-free conditions, SDS of cas: 3052-61-7, the publication is Youji Huaxue (2012), 32(5), 907-914, database is CAplus.

A highly efficient and simple synthesis of dithiocarbamates is reported in the one-pot reaction of amines, CS2, and alkyl halides without using a catalyst under solvent-free conditions. The mild reaction conditions, high yields, and broad scope of the reaction illustrate the good synthetic utility of this method. The reaction is a highly atom-economic process for production of dithiocarbamates and can be successfully used in large amount for the pharmaceutical or agrochem. industries.

Youji Huaxue published new progress about 3052-61-7. 3052-61-7 belongs to esters-buliding-blocks, auxiliary class Amine,Benzene,Amide, name is Benzyl diethylcarbamodithioate, and the molecular formula is C12H17NS2, SDS of cas: 3052-61-7.

Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics

Karanlik, Gurkan’s team published research in Physica B: Condensed Matter (Amsterdam, Netherlands) in 555 | CAS: 50670-76-3

Physica B: Condensed Matter (Amsterdam, Netherlands) published new progress about 50670-76-3. 50670-76-3 belongs to esters-buliding-blocks, auxiliary class Benzene,Phenol,Ester, name is Ethyl 4′-hydroxy-[1,1′-biphenyl]-4-carboxylate, and the molecular formula is C15H14O3, COA of Formula: C15H14O3.

Karanlik, Gurkan published the artcileThe analysis of temperature effect on frequency dependent dielectric parameters of semifluorinated liquid crystalline biphenyl carboxylic acid, COA of Formula: C15H14O3, the publication is Physica B: Condensed Matter (Amsterdam, Netherlands) (2019), 85-90, database is CAplus.

In this study, the dielec. properties of the liquid crystal 4-(7,7,8,8,9,9,10,10,10-nonafluorodecyloxy)biphenyl-4′-carboxylic acid (NBCA) exhibiting a Smectic C mesophase have been analyzed. NBCA has two critical temperatures which are 194°C for the crystal phase to the smectic phase transition, and 269°C for the smectic phase to the isotropic phase transition. Impedance spectroscopy measurements were made at regular intervals at different temperatures which includes these transitions. By using capacitance method, the complex dielec. constants have been calculated for each temperature, and the real part of dielec. constants have been fitted to the Cole-Cole equation. In addition, ac conductivity mechanisms of the NBCA at different temperatures and different phases and also activation energies which belongs to some selected frequencies have been determined by the imaginary part of dielec. constants

Physica B: Condensed Matter (Amsterdam, Netherlands) published new progress about 50670-76-3. 50670-76-3 belongs to esters-buliding-blocks, auxiliary class Benzene,Phenol,Ester, name is Ethyl 4′-hydroxy-[1,1′-biphenyl]-4-carboxylate, and the molecular formula is C15H14O3, COA of Formula: C15H14O3.

Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics

Kim, Yun Ho’s team published research in Advanced Functional Materials in 19 | CAS: 50670-76-3

Advanced Functional Materials published new progress about 50670-76-3. 50670-76-3 belongs to esters-buliding-blocks, auxiliary class Benzene,Phenol,Ester, name is Ethyl 4′-hydroxy-[1,1′-biphenyl]-4-carboxylate, and the molecular formula is C15H14O3, Category: esters-buliding-blocks.

Kim, Yun Ho published the artcileFabrication of a Superhydrophobic Surface from a Smectic Liquid-Crystal Defect Array, Category: esters-buliding-blocks, the publication is Advanced Functional Materials (2009), 19(18), 3008-3013, database is CAplus.

A novel fabrication method is developed for the preparation of superhydrophobic surfaces. The procedure uses focal conic structures of semi-fluorinated smectic liquid crystals (LCs) whose periodic toric focal conic domains (TFCDs) are prepared on a surface modified substrate. Reactive ion etching (RIE) on the periodic TFCD surface leads to a superhydrophobic surface with a water contact angle of ∼160° and a sliding angle of ∼2° for a 10 μL water droplet. The results show that this phenomenon is due to the development of a dual-scale surface roughness arising from the nanoscale protuberance caused by applying the RIE process to the top of the microscale TFCD arrays. The unique surface behavior is further verified by demonstrating that RIE on a flat lamellar liquid crystal film, in which the director is aligned parallel with surface, results in a relatively low hydrophobicity as compared to when periodic TFCDs are subjected to REI. The observations made in this publication suggest that a new approach exists for selecting potential candidates of superhydrophic surface formation based on spontaneous self-assembly in smectic liquid-crystalline materials.

Advanced Functional Materials published new progress about 50670-76-3. 50670-76-3 belongs to esters-buliding-blocks, auxiliary class Benzene,Phenol,Ester, name is Ethyl 4′-hydroxy-[1,1′-biphenyl]-4-carboxylate, and the molecular formula is C15H14O3, Category: esters-buliding-blocks.

Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics

Kim, Yun Ho’s team published research in Soft Matter in 6 | CAS: 50670-76-3

Soft Matter published new progress about 50670-76-3. 50670-76-3 belongs to esters-buliding-blocks, auxiliary class Benzene,Phenol,Ester, name is Ethyl 4′-hydroxy-[1,1′-biphenyl]-4-carboxylate, and the molecular formula is C15H14O3, Computed Properties of 50670-76-3.

Kim, Yun Ho published the artcileSelf-assembled periodic liquid crystal defects array for soft lithographic template, Computed Properties of 50670-76-3, the publication is Soft Matter (2010), 6(7), 1426-1431, database is CAplus.

We have developed highly periodic patterns with sub-micrometer features over large-areas using toric focal conic domains (TFCDs) originated from smectic liquid crystal (LC) as a new self-assembling building block. TFCDs are accomplished by precisely controlling the surface and interfacial properties of smectic LC. In order to apply the smectic liquid crystal defect arrays in soft lithog., the hexagonal arrays of domain patterns are used as molds for UV curable polymers, thereby providing LC defect stamps with high spatial resolution over large areas. Our method was further utilized to transfer patterns with sub-micrometer features from the polymer stamp surface to a secondary surface by microcontact printing (μ-CP). Accordingly, we show that such LC materials can be very strong candidates for the periodic templates, compared to other soft-building blocks such as block copolymers, colloids and surfactants. We anticipate our finding be a starting point for more sophisticated lithog. applications based on liquid crystalline materials.

Soft Matter published new progress about 50670-76-3. 50670-76-3 belongs to esters-buliding-blocks, auxiliary class Benzene,Phenol,Ester, name is Ethyl 4′-hydroxy-[1,1′-biphenyl]-4-carboxylate, and the molecular formula is C15H14O3, Computed Properties of 50670-76-3.

Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics

Kim, Yun Ho’s team published research in Journal of Nanoscience and Nanotechnology in 9 | CAS: 50670-76-3

Journal of Nanoscience and Nanotechnology published new progress about 50670-76-3. 50670-76-3 belongs to esters-buliding-blocks, auxiliary class Benzene,Phenol,Ester, name is Ethyl 4′-hydroxy-[1,1′-biphenyl]-4-carboxylate, and the molecular formula is C15H14O3, HPLC of Formula: 50670-76-3.

Kim, Yun Ho published the artcileEnergy transfer in a π-conjugated liquid crystalline molecule with two chromophores of rigid biphenyl core and pyrene head moieties, HPLC of Formula: 50670-76-3, the publication is Journal of Nanoscience and Nanotechnology (2009), 9(12), 6968-6973, database is CAplus and MEDLINE.

We investigate the energy transfer of a highly ordered π-conjugated liquid crystalline mol. containing two chromophores of biphenyl and pyrene moiety, in which the mol. was prepared by esterification of fluorinated biphenyl compound and 1-pyrenebutanol. DSC, POM and XRD results show that this mol. forms a highly ordered smectic liquid crystalline mesophase, in which the π-conjugated mol. was strongly packed together over large-areas. We show that the liquid crystalline bi-chromophoric systems with highly ordered structure exhibit the energy hopping and transfer to the chromophore with the energetically lowest S1 state. From the single-mol. spectroscopy of the biphenyl and pyrene chromophore in solution, we show an intramol. energy transfer from biphenyl to pyrene moieties. In solid thin film, highly ordered structure of the liquid crystal plays a significant role in the formation of the excimer and perfect energy transfer between the chromophores.

Journal of Nanoscience and Nanotechnology published new progress about 50670-76-3. 50670-76-3 belongs to esters-buliding-blocks, auxiliary class Benzene,Phenol,Ester, name is Ethyl 4′-hydroxy-[1,1′-biphenyl]-4-carboxylate, and the molecular formula is C15H14O3, HPLC of Formula: 50670-76-3.

Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics

Yoon, Dong Ki’s team published research in Physical Review E: Statistical, Nonlinear, and Soft Matter Physics in 82 | CAS: 50670-76-3

Physical Review E: Statistical, Nonlinear, and Soft Matter Physics published new progress about 50670-76-3. 50670-76-3 belongs to esters-buliding-blocks, auxiliary class Benzene,Phenol,Ester, name is Ethyl 4′-hydroxy-[1,1′-biphenyl]-4-carboxylate, and the molecular formula is C15H24S, SDS of cas: 50670-76-3.

Yoon, Dong Ki published the artcileLiquid-crystal periodic zigzags from geometrical and surface-anchoring-induced confinement: Origin and internal structure from mesoscopic scale to molecular level, SDS of cas: 50670-76-3, the publication is Physical Review E: Statistical, Nonlinear, and Soft Matter Physics (2010), 82(4-1), 041705/1-041705/6, database is CAplus and MEDLINE.

We figured out periodic undulations of lamellae “zigzags” in liquid crystals under confinement by glass and patterned silicon hybrid cell, but in the absence of applied fields. The optical and internal structures of zigzags have been investigated from mesoscopic scale to mol. level by convoluting real and reciprocal space probes, such as polarized light microscopy, SEM, and microbeam x-ray diffraction. The homeotropic anchoring happens at air/liquid crystal, while planar one appears at glass or patterned silicon surfaces. The wetting and displacement of lamellae near the glass surface give rise to tilting and bending in the stacking of lamellae. This can provide a solution for the origin of periodic zigzags: asym. strain exerted to lamellae at two-dimensional glass surface and one-dimensional-like pattern. This can give a hint for potential photonic applications such as optical gratings and modulators due to its high periodicity.

Physical Review E: Statistical, Nonlinear, and Soft Matter Physics published new progress about 50670-76-3. 50670-76-3 belongs to esters-buliding-blocks, auxiliary class Benzene,Phenol,Ester, name is Ethyl 4′-hydroxy-[1,1′-biphenyl]-4-carboxylate, and the molecular formula is C15H24S, SDS of cas: 50670-76-3.

Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics

Otsu, Takayuki’s team published research in Polymer Bulletin (Berlin, Germany) in 7 | CAS: 3052-61-7

Polymer Bulletin (Berlin, Germany) published new progress about 3052-61-7. 3052-61-7 belongs to esters-buliding-blocks, auxiliary class Amine,Benzene,Amide, name is Benzyl diethylcarbamodithioate, and the molecular formula is C12H17NS2, Related Products of esters-buliding-blocks.

Otsu, Takayuki published the artcileLiving radical polymerizations in homogeneous solution by using organic sulfides as photoiniferters, Related Products of esters-buliding-blocks, the publication is Polymer Bulletin (Berlin, Germany) (1982), 7(1), 45-50, database is CAplus.

Polystyrene was prepared by living radical polymerization in homogeneous solution using 4 organic sulfide initiator-transfer agent-terminators (photoiniferters). styrene  [100-42-5] Photopolymd, with diphenyl disulfide (I) [882-33-7], tetraethylthiuram disulfide  [97-77-8], benzyl diethyldithiocarbamate  [3052-61-7] and 2-phenylethyl diethyldithiocarbamate  [3052-60-6] gave polymers with yields and average-mol. weights increased as a function of the reaction time. These polymerizations proceeded via a living radical mechanism. When these photoiniferters except I were used, the propagating polymer chain end was always the Et2NCSS group, which can further photodissoc. into a reactive propagating radical and a less reactive small radical Et2NCSS· in order to result in successive insertion of monomer mols. into the dissociated bond.

Polymer Bulletin (Berlin, Germany) published new progress about 3052-61-7. 3052-61-7 belongs to esters-buliding-blocks, auxiliary class Amine,Benzene,Amide, name is Benzyl diethylcarbamodithioate, and the molecular formula is C12H17NS2, Related Products of esters-buliding-blocks.

Referemce:
https://en.wikipedia.org/wiki/Ester,
Ester – an overview | ScienceDirect Topics