111772-62-4

Upstream product

• 143-15-7 1-dodecylbromide 
• 95-01-2 2,4-Dihydroxybenzaldehyde 
• 112-52-7 1-chlorododecane 
• 108-46-3 recorcinol 

Downstream Products

• 134781-40-1 5-Dodecyloxy-2-{[(E)-4-ethyl-phenylimino]-methyl}-phenol 
• 1159202-34-2 C₁₃₂H₁₈₆N₆O₁₂ 
• 1094214-47-7 N,N'-(o-phenylene)bis(4-dodecyloxysalicylideneimine) 
• 1227625-50-4 (E)-4-(dodecyloxy)phenyl 4-(4-(dodecyloxy)-2-hydroxybenzylideneamino)benzoate 
• 1233495-69-6 (CH₂NHCH₂CH₂NCHC₆H₃(OH)(OC₁₂H₂₅))2 
• 1331960-53-2 5-(dodecyloxy)-2-(6-(dodecyloxy)benzo[d]oxazol-2-yl)phenol 
• 1331960-66-7 2-hydroxy-4-dodecyloxy-N-(2-hydroxy-4-dodecyloxybenzylidene)aniline 
• 1422459-31-1 3-N-(4-n-dodecyloxy-2-hydroxybenzylidene)amino-2-methylbenzoic acid 
• 1609246-32-3 N-(4-n-dodecyloxysalicylidene)-4'-n-octadecyloxyaniline 
• 111772-61-3 4-(4-dodecyloxy-2-hydroxybenzylideneamino)benzoic acid 

Relevant academic research and scientific papers

Structural and spectroscopic characterization of Cu(salen) complexes bearing long alkoxy chains

Cu(II) salen (salen = N,N'-ethylene-bis(salicylideneimine)) complexes bearing alkoxy chains of C12 (1) and C10 (2) in the salicylidene moieties were synthesized and subsequently characterized by several independent methods: single cr

Emissive bis-salicylaldiminato Schiff base ligands and their zinc(II) complexes: Synthesis, photophysical properties, mesomorphism and DFT studies

(Chemical Equation Presented) Bis-salicylaldiminato Schiff base ligands and their Zn(II) complexes derived from 2,3-Diaminomaleonitrile (DAMN) were synthesized. Their molecular structures, photophysical properties and mesogenic behaviors were investigated. The ligands and their Zn(II) complexes were characterized by using elemental analysis, FT-IR, 1H NMR and molar conductivity measurements. Photophysical properties of ligands and their Zn(II) complexes were investigated in different polar solvents by using UV-visible and fluorescence spectroscopic studies. Ligands emit green light whereas complexes emit orange light upon irradiation with UV-visible light. The liquid crystalline phases of ligands and their Zn(II) complexes were characterized by polarizing optical microscopy and differential scanning calorimetry. The ligand having longer 4-n-octadecyloxy chain (n = 18) displays columnar phase whereas the lower homologues (n = 16, 12) did not show mesophase. The Zn(II) complexes having 4-n-octadecyloxy end chain display smectic B like phase whereas other lower homologues are non mesogenic in nature. The thermal stability of the compounds were studied by using thermo gravimetric analysis. The density functional theory was carried out to obtain the stable molecular conformation, dipole moment, molecular orbitals and polarizability of the ligands and their Zn(II) complexes.

Zinc(II)-salphen complexes bearing long alkoxy side arms: Synthesis, solvent dependent aggregation, and spacer group substituent effect on mesomorphism and photophysical property

Hemi-disc shaped zinc(II) complexes of two new series of halogen-substituted ‘salphen’ type Schiff base ligands [ZnL]; H2L = [N,N′-Bis(4-n-alkoxysalicylidene)-4-fluoro/bromo-1,2-diaminobenzene] (n = 12, 14, 16) have been synthesized and their mesomorphism and photophysical properties investigated. The ligands and zinc(II) complexes displayed columnar mesophases over a much wider temperature range. Depending on the halogen substitution at the ligand's spacer; different variant of columnar phases were exhibited by the ligands and the zinc(II) complexes. The ligands and the complexes displayed fluorescence at ambient temperature in the blue-green region with moderate to low intensity. Density functional theory (DFT) calculations indicated a distorted square-planar geometry around the zinc(II) center in the complexes. The coordinative unsaturation of the zinc(II) center in these complexes leads to interesting aggregation properties in a dilute solution of non-coordinating solvents. However, in coordinating solvent, axial coordination to the zinc(II) ion occurred leading to complete de-aggregation to monomer.

Synthesis, characterization, and mesomorphic properties of some new Schiff base homologues series and their Cu(II) complexes

In present study, we have synthesized two homologous series of some new Schiff base of 4-n-alkoxy-2-hydroxy benzaldehyde (n = 2–8, 10, 12, 14, 16, 18) with 4-amino acetanilide and their corresponding Cu(II) complexes. A series of new Schiff base containing two aromatic rings have been synthesized and characterized by various spectroanalytical techniques including FT-IR and 1H NMR. The mesomorphic properties of these compounds were observed by optical polarized light microscopy (POM) and confirmed by differential scanning calorimetry (DSC) study. It has been observed that all the newly synthesized compounds exhibit wide range SmA phase.

Induction of Mesomorphism through Supramolecular Assembly in Metal Coordination Compounds of “salphen”-Type Schiff Bases: Photoluminescence and Solvatochromism

Mesomorphism induced by metal (VO2+, Ni2+, Cu2+and Zn2+) coordination and its influence on the photophysical properties of a new series of symmetric “salphen”-type N,N-bis(4-n-alkoxysalicylidene)-4,5-dichloro-1,2-phenylenediamine ligands (n = 12, 14, 16) bearing highly electronegative spacer substituents and alkoxy arms of varied length have been investigated. The mesomorphism has been probed by polarizing optical microscopy (POM), differential scanning calorimetry (DSC), and variable-temperature powder X-ray diffraction (XRD). The Schiff base ligands are non-mesomorphic; however, coordination to NiIIand ZnIIions induces columnar mesomorphism, this being stable down to room temperature in the latter case. Interestingly, the complexes of CuIIand VOIVdid not show any mesomorphism. The free ligands and the ZnIIcomplexes are luminescent both in the condensed state and in solution, with emission maxima in the condensed state being significantly red-shifted with respect to those in solution. The energy-optimized structure of a representative ZnIIcomplex was ascertained to be distorted square planar in a DFT study employing the GAUSSIAN 09 program. The ZnIIand VOIVcomplexes exhibited solvatochromic effects, showing interesting aggregation behavior in the former case.

Reduction of the transition temperatures in mesomorphic lanthanide complexes by the exchange of counter-ions

Metathesis of the chloride anion in the mesomorphic lanthanide complexes [LnL(LH)2][Cl]2 (LH = salicylaldimine; Ln = lanthanide element) by dodecyl sulfate (DOS) leads to the complexes [LnL(LH)2][DOS]2, which ha

Coumarins as powerful photosensitizers for the cationic polymerization of epoxy-silicones under near-UV and visible light and applications for 3D printing technology

In this study, eight coumarins (coumarins 1–8) are proposed as near-UV and blue light sensitive photoinitiators/photosensitizers for the cationic polymerization (CP) of epoxysilicones when combined with 4-isopropyl-4’-methyldiphenyliodonium tetrakis(pentafluorophenyl)borate (IOD). Among these coumarins, four of them (coumarins 1, 2, 6 and 8) have never been reported in the literature, i.e., these structures have been specifically designed to act as photoinitiators for silicones upon near UV and visible irradiation. Good final reactive epoxy function conversions (FCs) and also high rates of polymerization (Rp) were achieved in the presence of the newly proposed coumarin-based systems. The polymers generated from the photopolymerization of epoxysilicones can be considered as attractive candidates for several applications such as: elastomers, coatings, adhesives, and so on. The goal of this study focuses also on the comparison of the new proposed coumarins with well-established photosensitizers i.e., 1-chloro-4-propoxythioxanthone (CPTX), 9,10-dibutoxyanthracene (DBA) or some commercial coumarins (Com. Coum). As example of their high performance, the new proposed coumarins were also used for laser write experiments upon irradiation with a laser diode at 405 nm in order to develop new cationic 3D printing systems.

Bimetallomesogens: Formation of calamitic or columnar mesophases by μ-exogenous-bridged groups in N,N′-(propan-2-oI)-bis(4-alkoxysalicylaldimine)copper(n) complexes

A new type of dicopper(n) complex derived from u-exogenous 3,4,5-trialkoxybenzoate- or acetate-bridged N,N′-(propan-2-ol)-bis(4-alkoxysalicylaldimines) prepared by the condensation of 2-hydroxy-4-alkoxybenzaldehydes with l,3-diaminopropan-2-oI are reporte

Thermal, optical and Photophysical behaviour of some Mesogenic Benzimidazole-based Schiff-bases

A series of luminescent benzimidazole-based Schiff-bases, 5-(alkyloxy)-2-(((2-(4-(alkyloxy)phenyl)-1H–benzimidazol-5-yl)imino)methyl)phenol, with different alkyl chains was synthesized and characterized by 1H & 13C NMR, UV–Vis, fluorescence and mass spectrometry. All the compounds were found to be mesogenic (smectic A1), as studied by POM and DSC techniques, and their green emission was implied by fluorescence studies. Electrochemical study of one of the compounds, 3d, shows a band gap of 2.56 eV with HOMO and LUMO energy levels at ? 5.22 eV and ? 2.67 eV, respectively.

Chiral Bent-Shaped Molecules Exhibiting Unusually Wide Range of Blue Liquid-Crystalline Phases and Multistimuli-Responsive Behavior

Recently, an unprecedented observation of polar order, thermochromic behavior, and exotic mesophases in new chiral, bent-shaped systems with a ?CH3 moiety placed at the transverse position of the central core was reported. Herein, a homologous series of compounds with even-numbered carbon chains from n=4 to 18 were synthesized, in which ?Cl was substituted for ?CH3 at the kink position and a drastic modification in the phase structure of the bent-shaped molecule was observed. An unusual stabilization of the cubic blue phase (BP) over a wide range of 16.4 °C has been witnessed. Two homologues in this series (1-12 and 1-14) exhibit an interesting phase sequence consisting of BPI/II, chiral nematic, twist grain boundary, smectic A, and smectic X (SmX) phases. The higher homologues (1-16 and 1-18) stabilize the SmX phase enantiotropically over the entire temperature range. Crystal structure analysis confirmed the bent molecular architecture, with a bent angle of 148°, and revealed the presence of two different molecular conformations in an asymmetric unit of compound 1-4. A DFT study corroborated that the ?Cl moiety at the central core of the molecule led to an increase in the dipole moment along the transverse direction, which, in turn, facilitated the unusual stabilization of frustrated structures. Crystal polymorphism has been evidenced in three homologues (1-10, 1-12, and 1-14) of the series. On the application of mechanical pressure through grinding, compound 1-10 transformed from a bright yellow crystalline solid to a dark orange–green amorphous solid, which reversed upon dropwise addition of dichloromethane, indicating reversible mechanochromism in this class of compounds. In addition, excellent thermochromic behavior has been observed for compound 1-10 with a controlled temperature–color combination.