80 results about "Benzo(c)phenanthrene" patented technology

An organic electroluminescence device includes: a cathode; an anode; and a single-layered or multilayered organic thin-film layer provided between the cathode and the anode. The organic thin-film layer includes at least one emitting layer. The at least one emitting layer contains at least one phosphorescent material and a host material represented by the following formula (1).

Ra-Ar¹-Rb  (1)

In the formula, Ar¹, Ra and Rb each represent a substituted or unsubstituted benzene ring or a condensed aromatic hydrocarbon ring selected from a substituted or unsubstituted naphthalene ring, a substituted or unsubstituted chrysene ring, a substituted or unsubstituted fluoranthene ring, a substituted or unsubstituted phenanthrene ring, a substituted or unsubstituted benzophenanthrene ring, a substituted or unsubstituted dibenzophenanthrene ring, a substituted or unsubstituted triphenylene ring, a substituted or unsubstituted benzo[a]triphenylene ring, a substituted or unsubstituted benzochrysene ring, a substituted or unsubstituted benzo[b]fluoranthene ring and a substituted or unsubstituted picene ring. Substituents for Ra and Rb are not aryl groups.

An organic electroluminescence device includes: a cathode; an anode; and a single-layered or multilayered organic thin-film layer provided between the cathode and the anode. In the organic electroluminescence device, the organic thin-film layer includes at least one emitting layer, and the at least one emitting layer contains: at least one phosphorescent material; and a host material represented by the following formula (1).

Ra—Ar¹—Ar²—Rb   (1)

In the formula, Ar¹, Ar², Ra and Rb each represent a substituted or unsubstituted benzene ring or a substituted or unsubstituted condensed aromatic hydrocarbon group selected from a group consisting of a naphthalene ring, a chrysene ring, a fluoranthene ring, a triphenylene ring, a phenanthrene ring, a benzophenanthrene ring, a dibenzophenanthrene ring, a benzotriphenylene ring, a benzochrysene ring, a picene ring and a benzo[b]fluoranthene ring.

The present invention provides compounds of formula I: formula (I) wherein X¹-X⁴ and R¹-R¹² have any of the values defined in the specification, as well as salts and prodrugs thereof, which inhibit major molecular mechanisms associated with bacterial cell division and proliferation so as to be useful for the treatment and/or prevention of bacterial infections. The invention also provides compositions comprising these compounds as well as methods for using these compounds to inhibit bacterial cell division and proliferation and to treat bacterial infections.

The invention discloses a new use of phenanthridine biologic alcali of general formula I containing coumarone and its derivant in preparing anti-hepatitis b virus medicament.The biologic alcali has tumor cell apoptosis inducing effect, has strong inhibiting activity against to such pathogen, has antiviral effect, and is expected for treating liver cancer, wherein R1 to R10, R12 and R13 is hydrogen, hydroxy, carbon chain or naphthenic base with 1-12 carbon atoms, alkoxyl or acyloxy group, benzyloxy, chlorine and other halogen atoms, amino group, methylol, aldehyde group, carbonyl, acetonyl, carboxy, sulacyloxy, 4-methyl-benzenesulfonyloxyl, arylsulfonyloxy, diphenylphosphonoxyl and -OCONH2; R11 is hydrogen, methyl or oxygen atom; R14 and R15 are respectively hydrogen or methyl.

The invention belongs to the field of photoelectric material application science and technology, and particularly relates to a benzo[c]phenanthrene derivative with an electron donor-acceptor structure and application thereof and an electroluminescent device. The derivative takes benzo[c]phenanthrene as a core, and by linking different aromatic amine groups to different sites of the benzo[c]phenanthrene in a key mode or changing a bridged structure, an efficient fluorescence material with the double polarity is formed. The material has the advantages that the stability and conjugacy of large aromatic rings of the benzophenanthrene are utilized, distribution of electron clouds on the molecules is adjusted through the periphery groups, and therefore luminescent property can be effectively adjusted.

The invention provides a compound, a display panel and a display device. The compound has the structure shown in formula (I), L represents substituted or unsubstituted phenyl, naphthyl, pyridyl, pyrimidinyl and pyrazinyl; D is an electron-donating group and independently selected from any one of substituted or unsubstituted phenyl, biphenyl, naphthyl, anthryl, phenanthryl, acenaphthylene, pyrenyl,peryl, flurenyl, spiro bifluorenyl, benzophenanthryl, benzanthracene, fluoranthryl, picene, furyl, benzofuryl, dibenzofuryl, thienyl, benzothienyl, dibenzothienyl, phenoxazine, thianthryl, carbazolyl, acridinyl and diarylamino. The designed compound has a TADF characteristic and can emit light by triplet exciton of traditional fluorescence molecular transition inhibition so as to improve the device efficiency.

The invention discloses an organic semiconductor material. The organic semiconductor material is characterized in that a benzophenanthrene derivative is used as an inner core of arylamine, so that the organic semiconductor material has hole transport luminescence property, heat stability and excellent electrochemical stability; when the material is applied to organic light emitting diodes, devices can obtain heat resistance and excellent working life.

An organic electroluminescence device includes: a cathode; an anode; and a single-layered or multilayered organic thin-film layer provided between the cathode and the anode. In the organic electroluminescence device, at least one layer of the organic thin-film layer includes: an organic-electroluminescence-device material represented by a general formula selected from the following formulae (1), (2) and (3); and at least one phosphorescent material. In the formula: A represents a group selected from a 3-fluoranthenyl group, 5-benzo[c]phenanthrenyl group, 6-benzo[c]phenanthrenyl group and 10-benzo[g]chrysenyl group; Ar represents a fused aromatic ring having 10 to 30 carbon atoms and having triplet energy of 2.10 eV or more; and A or Ar is allowed to be substituted by a phenyl group or a naphthyl group.

The invention discloses a method for continuously preparing a dihydrobenzo [j] phenanthridine compound containing a trifluoromethyl functional group by using a micro-channel reaction device, which comprises the following steps: (1) dissolving a 1,7-eneyne compound and alkali in a proper solvent to obtain a material I; (2) dissolving a trifluoromethyl reagent and a photocatalyst in a proper solventto obtain a material II; (3) respectively pumping the material I and the material II into a micro-channel reaction device, fully mixing, and carrying out a photocatalytic trifluoromethylation reaction to obtain a reaction solution; and (4) quenching the reaction liquid, adding a corresponding organic solvent for extraction, collecting an organic phase, drying, concentrating and recrystallizing toobtain a target product. The micro-channel reaction device is used for preparing the 1,7-eneyne trifluoromethylation product, the reaction conditions are milder, the reaction rate can be effectivelycontrolled, the reaction time is shortened, continuous production is achieved, side reactions are reduced, the maximum product yield can reach 99.3%, the amplification effect is basically avoided, andindustrial amplification is facilitated.

The invention provides an organic compound, an organic electroluminescent material and application thereof. The organic compound has a structure as shown informula I, aza-dibenzophenanthrene is used as a central skeleton structure; through the special design of substitution sites andsubstituent groups, the organic compound is provided with lower HOMO energy level andproper LUMO energy level; the organic compound has relatively high triplet state energy level ET and relatively high electron mobility, so that the electron transport capacity and the hole blocking capacity of the organic compoundas an electroluminescent material are remarkably improved, and meanwhile, the organic compound also has excellent thermal stability and film stability and is suitable for high-performance OLED devices. The organic compound and the organic electroluminescent material provided by the invention are used for an electron transport layer or a hole blocking layer of an OLED device, the luminous efficiency and the performance stability of the device can be effectively improved, and the service life of the device is prolonged.

The invention discloses a hexaazabenzophenanthrene trianthraquinone derivative and a synthesis method thereof. The general structural formula of the hexaazabenzophenanthrene trianthraquinone derivative is asshown in the specification. In the general structural formula, R is a C6-C40 alkyl group, C6-C40 alkyl ester, C6-C40 alkylamide; or two ortho-position Rs synthesize C6-C40 substituted imide. The hexaazabenzophenanthrene trianthraquinone derivative can effectively improve the electron absorption capacity of hexaazabenzophenanthrene, and is a novel N-type semiconductor material. Meanwhile, the synthetic method is short in synthetic route, simple and convenient to operate, mild in reaction condition and easy to control, and does not need special equipment.

The invention provides a benzophenanthrene derivative and an organic light-emitting device thereof, and relates to the technical field of organic photoelectric materials. The provided benzophenanthrene derivative has excellent hole transport performance and high heat resistance stability, needle holes cannot be formed in a formed film easily and the formed film cannot be aged or deform easily, thefilm is applied to the organic light-emitting device as a hole transport material, the light-emitting efficiency of the device can be improved, the service life of the device is prolonged, and furthermore, the driving voltage of the device can be reduced. The provided benzophenanthrene derivative can further serve as a covering layer, and thus, the light-emitting efficiency of the device is improved.

The invention discloses a blue organic semiconductor (I) as shown in the specification. A benzophenanthrene derivative is taken as a main core, and electron holes and electronic condensed aromatic heterocycle are connected in a chemical bonding manner. The material is excellent in thermal resistance and light emitting property with high efficiency and a long service life, and a dark blue organic light emitting device with a long service life is obtained when the material is used in a light-emitting layer of an organic light-emitting diode.

There is provided a benzo[c]phenanthrene compound represented by formula [1]:

wherein R₁ to R₁₀ are each independently selected from a hydrogen atom, an alkyl group, an alkoxy group, an aromatic hydrocarbon group, and a heteroaromatic group; n represents an integer of 1 to 3, when n represents 2 or more, R₁'s in different benzo[c]phenanthrene rings may be the same or different, and the same is true for R₂'s to R₁₀'s in different benzo[c]phenanthrene rings; Ar represents an n-valent substituent and represents an aromatic hydrocarbon group or a heteroaromatic group, or Ar may represent a single bond when n represents 2.

The invention relates to a benzophenanthrene asymmetrical disk compound and a preparation method thereof, belonging to the technical field of organic synthesis. The structure of the compound is shown in a figure in the specifications, wherein n is an integer ranging from 1 to 20. The preparation method of the compound comprises a friedel-crafts acylation of benzophenanthrene, a bromination reaction, a Sonogashira coupling reaction, a trimethyl silicane removing reaction or a bromo-chain connecting reaction and a click chemical reaction. The benzophenanthrene asymmetrical disk compound prepared with the method has a special disk conjugated structure, so that the compound has a good photoluminescence effect. Moreover, the benzophenanthrene asymmetrical disk compound has high side chain modification property, so that the compound can be connected with different conjugate groups and chromophore, and great help is provided for the preparation of a novel efficient luminous material. The compound has wide use.

The invention discloses a nitrogen-containing discotic ionic liquid crystal compound, which has liquid crystal performance, is wide in liquid crystal temperature range, high in clearing point temperature and good in thermal stability, can be used as a good liquid crystal material, also has a luminescence property, emits yellow light in a solution and a film, has good quantum efficiency, and can beused as an optical material. The precursor nitrogen-containing benzophenanthrene of the compound emits blue light in a solution, wherein the quantum yield is 75%, so that the compound can also be used as a luminescent material. The invention also discloses a synthesis method of the compound, wherein the compound is synthesized by adopting a Suzuki coupling reaction, an intramolecular aromatic hydrocarbon oxidative coupling reaction, an ionization reaction and an ion exchange reaction (metathesis reaction), and the preparation method is short in synthetic route and high in yield.

The invention discloses a compound containing a benzophenanthrene benzofuran structure and an organic electroluminescent device thereof, and relates to the technical field of organic electroluminescence. The compound containing a benzophenanthrene-benzofuran structure has a structural formula shown in the specification, wherein L is a deuterated or non-deuterated C6-C12 aryl group, Ar1 is a deuterated or non-deuterated C6-C20 heteroaryl group, and Ar2 is a deuterated or non-deuterated phenyl group. When the compound is applied to the organic electroluminescent device, under the same current density, the luminous efficiency of the device is greatly improved, the starting voltage is reduced, the power consumption is relatively reduced, and the service life is correspondingly prolonged.

The invention discloses a method for synthesizing benzophenanthridine and protoberberine alkaloids through modular diversity regulation and control. The method comprises the following steps: improving a substituent group of a high-iodine salt leaving group, generating pyridine alkyne under the action of relatively mild potassium tert-butoxide, and carrying out [4 + 2] cycloaddition reaction on the pyridine alkyne and diene to obtain polysubstituted isoquinoline ring precursor compounds. Ring opening and aromatization of the isoquinoline ring precursor are realized by developing a novel iridium-catalyzed cross-coupling method, polysubstituted isoquinoline ring compounds with connecting capacity are efficiently synthesized, and then the polysubstituted isoquinoline ring compounds are coupled with a high-activity polysubstituted cyclic boric acid to obtain 3-aryl isoquinoline high-grade intermediates. Through application of two different chemical principles, regulation and control of the 3-aryl isoquinoline high-grade intermediates are realized, and benzophenanthridine and protoberberine alkaloids are modularly, diversely and efficiently synthesized.

The invention provides a triphenylene derivative and application thereof, and relates to the technical field of organic photoelectric materials. The compound takes triphenylene as a parent nucleus structure to modify different benzene rings with different benzene and nitrogen heterocyclic rings to further modify hydrogen of amino groups on the heterocyclic rings and hydrogen on the benzene rings with alkyl groups, substituted or non-substituted aryl groups and substituted or non-substituted condensed aryl groups, thereby obtaining a series of triphenylene derivatives. The preparation method issimple, and the raw materials are readily available; the triphenylene derivative is a matrix material with high performance, has hole transport capacity, and can be used as a hole transport materialapplied to an OLED device, so that the luminous efficiency of the device can be improved, and the service life of the device is prolonged.

The invention discloses a nano-structure controllable oligomerized benzophenanthrene and a synthesis method thereof. The synthesis method comprises the following steps: dissolving benzophenanthrene monomer in a first solvent to form a monomer solution; dissolving oxidant anhydrous ferric chloride in a second solvent to form an oxidant solution; and evenly mixing the monomer solution and the oxidant solution, reacting under the action of ultrasonic vibration for 30 minutes, and continuing reacting under the action of magnetic stirring for 48 hours to obtain the nano-structure controllable oligomerized benzophenanthrene. The diameter and length of the nano fiber are respectively 50-300nm and 1-5 mu m, and the fluorescence intensity and fluorescence quantum efficiency are respectively 7.2 times and 5.2 times of the monomer. The invention has the advantages of simple synthesis steps, high efficiency and high controllability, and the yield of the synthesized oligomerization benzophenanthrene is up to 72%.

The invention provides a novel compound, which has stable compound property, a simple preparation process, high luminous efficiency and high carrier mobility and can be applied to a phosphorescent main body material and an electron transfer layer of an electroluminescent element. According to an applied device, the driving voltage can be reduced remarkably, and the current efficiency is increased. The structural general formula of the compound is shown as a formula I, wherein a mother nucleus is selected from benzene[c]phenanthrene; Ar is selected from a phenyl group, a biphenylyl group or a naphthyl group; R is alkyl with 1-12 carbon atoms or aryl with 6-30 carbon atoms; m is an integer of 1-2; and n is an integer of 0-1.