CN106242936A - One class is to diphenylethyllene benzene and to benzene divinyl analog derivative and preparation method thereof - Google Patents

One class is to diphenylethyllene benzene and to benzene divinyl analog derivative and preparation method thereof Download PDF

Info

Publication number
CN106242936A
CN106242936A CN201610628788.XA CN201610628788A CN106242936A CN 106242936 A CN106242936 A CN 106242936A CN 201610628788 A CN201610628788 A CN 201610628788A CN 106242936 A CN106242936 A CN 106242936A
Authority
CN
China
Prior art keywords
hydrogen
methoxyl group
benzene
nitro
chlorine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610628788.XA
Other languages
Chinese (zh)
Inventor
苟高章
陈雪冰
汪学全
严和平
洪涌
张举成
刘卫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honghe University
Original Assignee
Honghe University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Honghe University filed Critical Honghe University
Priority to CN201610628788.XA priority Critical patent/CN106242936A/en
Publication of CN106242936A publication Critical patent/CN106242936A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C1/00Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
    • C07C1/32Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from compounds containing hetero-atoms other than or in addition to oxygen or halogen
    • C07C1/34Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from compounds containing hetero-atoms other than or in addition to oxygen or halogen reacting phosphines with aldehydes or ketones, e.g. Wittig reaction
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00Preparation of halogenated hydrocarbons
    • C07C17/26Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06Preparation of nitro compounds
    • C07C201/12Preparation of nitro compounds by reactions not involving the formation of nitro groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C209/00Preparation of compounds containing amino groups bound to a carbon skeleton
    • C07C209/68Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C315/00Preparation of sulfones; Preparation of sulfoxides
    • C07C315/04Preparation of sulfones; Preparation of sulfoxides by reactions not involving the formation of sulfone or sulfoxide groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01Preparation of ethers
    • C07C41/18Preparation of ethers by reactions not forming ether-oxygen bonds
    • C07C41/30Preparation of ethers by reactions not forming ether-oxygen bonds by increasing the number of carbon atoms, e.g. by oligomerisation
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/68Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00Preparation of carboxylic acid esters
    • C07C67/30Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
    • C07C67/333Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton
    • C07C67/343Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D209/00Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/56Ring systems containing three or more rings
    • C07D209/80[b, c]- or [b, d]-condensed
    • C07D209/82Carbazoles; Hydrogenated carbazoles
    • C07D209/86Carbazoles; Hydrogenated carbazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D215/00Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
    • C07D215/02Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
    • C07D215/04Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to the ring carbon atoms
    • C07D215/06Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to the ring carbon atoms having only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, attached to the ring nitrogen atom
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D307/00Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D307/36Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms

Abstract

One class is to diphenylethyllene benzene and to benzene divinyl analog derivative and preparation method thereof, and the general structure of a described class p-divinyl benzene derivant has two kinds: be respectivelyWithWherein R1For hydrogen, nitro, methoxyl group, chlorine, R2For hydrogen, methoxyl group, nitro, chlorine, R3For hydrogen, hydrogen, methyl, methoxyl group, dimethylamino, bromine, aldehyde radical, methyl formate base, methylsulfonyl, R4For hydrogen, methoxyl group, nitro, R5For hydrogen, nitro, methoxyl group, chlorine, R6It is 2 furyls, N ethyl 2 carbazyl, 2 quinolyls, diphenyl.The derivant of the present invention application prospect in fields such as biological medicine, optical function material, military affairs, optical storage is tempting, and to developing drug resource further, fluorescent material, nonlinear material have positive effect.

Description

One class is to diphenylethyllene benzene and to benzene divinyl analog derivative and preparation method thereof
Technical field
The invention belongs to technical field of chemistry, be specifically related to a class to diphenylethyllene benzene and to benzene divinyl analog derivative And preparation method thereof.
Background technology
Before laser comes out, (1931) Gopper-mayer just foretells an atom on the basis of quantum theory Or molecule can directly absorb two photon transitions to excited state by a kind of empty intermediate state (virtue state), it is derived there The concept of two-photon absorption (Two-photo-absorb i.e. TPA).The appearance of laser demonstrates the prophesy of Gopper-mayer, from This develops efficient non-linear absorbing material becomes the important topic of scientists.
Diphenylethylene compounds typically refers to containing the stilbene being connected by a vinyl between two phenyl ring female The compound of body structure, this compounds has typical conjugated structure, and unique construction features and characteristic make it at medicine, food The fields such as product, cosmetics, electronics, optics, dyestuff, material science have a wide range of applications.The substituted diphenylethylene of hydroxyl Compound has significant antioxidation, antitumor, antiinflammatory, anti-Cardiovascular, estrogen-like effects, enhancing immunity more, delays The physiologically actives such as aging, radiation protection.As benzene alkene not moral can be as treatment allergic dermatitis, the medicine of eczema, resveratrol can As functional food additive, it is widely used in food and field of health care products, simultaneously because it has capture free radical, antioxygen Change, absorb the characteristic of ultraviolet light, in terms of cosmetics, also show effect of brilliance.Additionally, diphenylethylene compounds is made For organic photoelectric functional material because of the electronic structure of its uniqueness and performance, at organic electroluminescent, organic solid laser, photoelectric transfer Many high-tech areas such as sensor, bio-imaging and optical dynamic therapy show great application prospect, have become as one Emerging multi-crossed disciplines research frontier.Such as 4,4 '-dialkyl group-1,2-difluorodiphenyl ethylene compounds and end benzene The para-position of ring is alkane or fluorine-based substituted 4-phenylacetylene base stilbene analog derivative is all good liquid crystal material;Fluoroform Base, alkoxyl or alkoxynitro substituted stilbene analog derivative is the best organic non linear optical material;Hexichol 4 of ethylene compounds are with styryl, p-nitrophenyl vinyl or the substituted compound of p-methylstyrene base for having Different emission and the luminescent material of color;Triazine radical amido diphenyl ethylene compounds and double benzothiazole stilbene are The compound of agent structure is usually implemented as fluorescent whitening agent and is used for dye field.
Constantly finding and the continuous expansion of range of application of diphenylethylene compounds various active, has caused domestic The great attention of outer organic synthesis research worker.Generally chemosynthesis diphenylethylene compounds includes several key point: how Build stilbene ethylene bridge and how highly selective obtain the stilbene of single configuration.Therefore, suitably side is selected It is very important that method highly selective prepares single configuration diphenylethylene compounds.
Summary of the invention
It is an object of the invention to provide in gentleer, economical and high selective under the conditions of prepare there is single structure One class of type is to diphenylethyllene benzene and to benzene divinyl analog derivative.
The purpose of the present invention is achieved through the following technical solutions:
One class is to diphenylethyllene benzene and to benzene divinyl analog derivative, and the structure of such p-divinyl benzene derivant is led to Formula has two kinds, and formula I is:
Wherein: R1For hydrogen, nitro, methoxyl group, chlorine,
R2For hydrogen, methoxyl group, nitro, chlorine,
R3For hydrogen, hydrogen, methyl, methoxyl group, dimethylamino, bromine, aldehyde radical, methyl formate base, methylsulfonyl,
R4For hydrogen, methoxyl group, nitro,
R5For hydrogen, nitro, methoxyl group, chlorine;
Formula II is:
Wherein: R6For 2-furyl, N-ethyl-2-carbazyl, 2-quinolyl, diphenyl.
A class of the present invention is to diphenylethyllene benzene and as follows to the preparation method of benzene divinyl analog derivative:
A, being reacted with aromatic aldehyde by the phosphonium salt of structure shown in following structure formula III, condition is nitrogen protection, and sodium hydride makees alkali, Dry toluene makees reaction 24 hours at solvent 110 DEG C, wherein: R1For hydrogen, nitro, methoxyl group, chlorine, R2For hydrogen, nitro, methoxyl group, Chlorine, R3For hydrogen, methyl, bromine, methoxyl group, dimethylamino, aldehyde radical, methyl formate base, methylsulfonyl, R4For hydrogen, methoxyl group, R5For hydrogen, Chlorine, methoxyl group,
Obtain formula I describe following 1-15 totally 15 to benzene divinyl analog derivative:
B, by structure shown in following structure formula IV phosphonium salt react with corresponding aldehydes or ketones, condition be nitrogen protection, hydrogen Changing sodium and make alkali, dry toluene makees reaction 24 hours at solvent 110 DEG C, wherein: R6For 2-furyl, N-ethyl-2-carbazyl, 2- Quinolyl, diphenyl,
Obtain formula II describe following 16-19 totally 4 to benzene divinyl derivant:
The present invention based on Witting reaction, in gentleer, economical and high selective under the conditions of prepare there is list One class of one configuration is to diphenylethyllene benzene and to benzene divinyl analog derivative.This compounds is that a class has two-photon absorption To diphenylethyllene benzene and to benzene divinyl analog derivative, at biological medicine, optical function material, military affairs, optical storage, food Product, cosmetics, electronics, optics, dyestuff, organic electroluminescent, organic solid laser, photoelectric sensor, bio-imaging and light Many high-tech areas such as dynamic therapy show great application prospect, to developing drug resource, fluorescent material, non-further Linear material has positive effect.
Accompanying drawing explanation
Fig. 1 is the crystal structure of the product determined by X-ray single crystal diffraction.
Detailed description of the invention
A class of the present invention is to diphenylethyllene benzene and to benzene divinyl analog derivative, and such is to benzene divinyl derivant General structure have two kinds, formula I is:
Wherein: R1For hydrogen, nitro, methoxyl group, chlorine,
R2For hydrogen, methoxyl group, nitro, chlorine,
R3For hydrogen, hydrogen, methyl, methoxyl group, dimethylamino, bromine, aldehyde radical, methyl formate base, methylsulfonyl,
R4For hydrogen, methoxyl group, nitro,
R5For hydrogen, nitro, methoxyl group, chlorine;
Formula II is:
Wherein: R6For 2-furyl, N-ethyl-2-carbazyl, 2-quinolyl, diphenyl.
The preparation method of benzene divinyl analog derivative to diphenylethyllene benzene and is distinguished as follows by an above-mentioned class:
A, being reacted with aromatic aldehyde by the phosphonium salt of structure shown in following structure formula III, condition is nitrogen protection, and sodium hydride makees alkali, Dry toluene makees reaction 24 hours at solvent 110 DEG C, wherein: R1For hydrogen, nitro, methoxyl group, chlorine, R2For hydrogen, nitro, methoxyl group, Chlorine, R3For hydrogen, methyl, bromine, methoxyl group, dimethylamino, aldehyde radical, methyl formate base, methylsulfonyl, R4For hydrogen, methoxyl group, R5For hydrogen, Chlorine, methoxyl group,
Obtain formula I describe following 1-15 totally 15 to diphenylethyllene benzene derivative:
B, by structure shown in following structure formula IV phosphonium salt react with corresponding aldehydes or ketones, condition be nitrogen protection, hydrogen Changing sodium and make alkali, dry toluene makees reaction 24 hours at solvent 110 DEG C, wherein: R6For 2-furyl, N-ethyl-2-carbazyl, 2- Quinolyl, diphenyl,
Obtain formula II describe following 16-19 totally 4 to benzene divinyl derivant:
Standby operational approach is as follows:
(E)-1,4-two (2,6-dichlorostyrene base) benzene (12):
Accurately weigh two methylene benzene two (bromination triphenylphosphine) (0.4g, 0.76mmol), NaH (0.218g, 9.02mmol) in 50mL round-bottomed flask, add toluene 40mL, under room temperature, stir 30min, when solution becomes yellow green, then Adding 2,6-dichlorobenzaldehyde (0.266g, 1.52mmol), nitrogen is protected at 110 DEG C backflow 24h.Being cooled to room temperature, rotation is steamed Remove solvent and obtain crude product.Crude by column chromatography silica gel 200-300 mesh is isolated and purified, and eluent is VDichloromethane: VPetroleum ether=4:7, Obtain faint yellow solid 0.141g, productivity: 47%.Reaction equation is as follows:
The crystal structure of product is determined, such as Fig. 1 by X-ray single crystal diffraction.Bond distance: C (1)-Cl (2),C (5)-Cl(1),C(1)-C(2),C(2)-C(3),C(3)-C(4),C(4)-C (5),C(5)-C(6),C(6)-C(7),C(7)-C(8),C(8)-C(9),C(9)-C(10),C(9)-C(11),C(10)-C(11),Bond angle: Cl (2)- C(1)-C(6),118.97°;Cl(1)-C(5)-C(6),120.42°;C(6)-C(7)-C(8),125.12°;C(7)-C(8)-C (9),127.24°;C(5)-C(6)-C(7),124.55°;C(1)-C(6)-C(7),120.67°;C(1)-C(2)-C(3), 119.51°;Cl(2)-C(1)-C(2),117.91°;C(8)-C(9)-C(10),123.68°.1H NMR(400MHz,DMSO)δ (ppm) 7.74 7.64 (m, 2H), 7.57 7.50 (m, 4H), 7.48 (d, J=8.3Hz, 2H), 7.33 (dd, J=16.8, 8.5Hz, 2H), 7.13 (d, J=19.4Hz, 2H), 7.03 (d, J=8.3Hz, 2H).13C NMR(100MHz,DMSO)δ(ppm) 136.66,134.72–134.41,128.59,128.11,127.16,126.74,122.84.ESI-MS calcd for C22H14Cl4[M+H]+421.16,found421.22,424.96。
(E)-1,4-two (N-ethyl carbazole-2-vinyl) benzene (19):
Accurately weigh two methylene benzene two (bromination triphenylphosphine) (0.202g, 0.38mmol), NaH (0.055g, 2.3mmol) in 50ml round-bottomed flask, add toluene 40ml, under room temperature, stir 30min, when solution becomes yellow chlorine color, add N- Ethyl-2-carbazole formaldehyde (0.15g, 0.77mmol), nitrogen is protected at 110 DEG C backflow 24h.Being cooled to room temperature, rotation is evaporated off Solvent obtains crude product.Crude by column chromatography silica gel 200-300 mesh is isolated and purified, and eluant is VDichloromethane: VPetroleum ether=5:2), Yellow powder solid 0.124g, productivity: 45%.Reaction equation is as follows:
1H NMR(400MHz,CDCl3) δ (ppm) 8.28 (s, 2H), 8.17 (d, J=7.7Hz, 2H), 7.73 (d, J= 8.5Hz, 2H), 7.60 (s, 4H), 7.51 (t, J=7.3Hz, 2H), 7.45 (d, J=6.0Hz, 3H), 7.41 (d, J=7.3Hz, 2H), 7.36 (s, 1H), 7.28 (d, J=14.2Hz, 2H), 7.20 (d, J=16.2Hz, 2H), 4.41 (q, J=7.2Hz, 4H), 1.57(s,6H).13C NMR(100MHz,CDCl3)δ(ppm)140.3,139.0,134.4,128.59,128.11,127.16, 126.74,125.4,123.6,122.4,120.4,118.0,115.5,109.0,108.3,106.3,37.4,13.8.ESI-MS calcd for C38H32N2[M+H]+517.67,found 517.69。

Claims (2)

1. a class is to diphenylethyllene benzene and to benzene divinyl analog derivative, it is characterised in that such p-divinyl benzene derives The general structure of thing has two kinds, and formula I is:
Wherein: R1For hydrogen, nitro, methoxyl group, chlorine,
R2For hydrogen, methoxyl group, nitro, chlorine,
R3For hydrogen, hydrogen, methyl, methoxyl group, dimethylamino, bromine, aldehyde radical, methyl formate base, methylsulfonyl,
R4For hydrogen, methoxyl group, nitro,
R5For hydrogen, nitro, methoxyl group, chlorine;
Formula II is:
Wherein: R6For 2-furyl, N-ethyl-2-carbazyl, 2-quinolyl, diphenyl.
The preparation method of a class p-divinyl benzene derivant the most as claimed in claim 1, it is characterised in that preparation method is such as Under:
A, being reacted with aromatic aldehyde by the phosphonium salt of structure shown in following structure formula III, condition is nitrogen protection, and sodium hydride makees alkali, anhydrous Reaction 24 hours at solvent 110 DEG C made by toluene, wherein: R1For hydrogen, nitro, methoxyl group, chlorine, R2For hydrogen, nitro, methoxyl group, chlorine, R3For hydrogen, methyl, bromine, methoxyl group, dimethylamino, aldehyde radical, methyl formate base, methylsulfonyl, R4For hydrogen, methoxyl group, R5For hydrogen, chlorine, Methoxyl group,
Obtain formula I describe following 1-15 totally 15 to diphenylethyllene benzene derivative:
B, by structure shown in following structure formula IV phosphonium salt react with corresponding aldehydes or ketones, condition be nitrogen protection, sodium hydride Making alkali, dry toluene makees reaction 24 hours at solvent 110 DEG C, wherein: R6For 2-furyl, N-ethyl-2-carbazyl, 2-quinoline Base, diphenyl,
Obtain formula II describe following 16-19 totally 4 to benzene divinyl derivant:
CN201610628788.XA 2016-08-03 2016-08-03 One class is to diphenylethyllene benzene and to benzene divinyl analog derivative and preparation method thereof Pending CN106242936A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610628788.XA CN106242936A (en) 2016-08-03 2016-08-03 One class is to diphenylethyllene benzene and to benzene divinyl analog derivative and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610628788.XA CN106242936A (en) 2016-08-03 2016-08-03 One class is to diphenylethyllene benzene and to benzene divinyl analog derivative and preparation method thereof

Publications (1)

Publication Number Publication Date
CN106242936A true CN106242936A (en) 2016-12-21

Family

ID=57607272

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610628788.XA Pending CN106242936A (en) 2016-08-03 2016-08-03 One class is to diphenylethyllene benzene and to benzene divinyl analog derivative and preparation method thereof

Country Status (1)

Country Link
CN (1) CN106242936A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998021521A1 (en) * 1996-11-12 1998-05-22 California Institute Of Technology Two-photon or higher-order absorbing optical materials and methods of use
WO2010115080A2 (en) * 2009-04-02 2010-10-07 The Johns Hopkins University Self-assembling peptides bearing organic electronic functionality and applications employing the same
WO2012002911A1 (en) * 2010-06-29 2012-01-05 National University Of Singapore Methods and compositions for cellular imaging and cancer cell detection using light harvesting conjugated polymer- biomolecular conjugates

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998021521A1 (en) * 1996-11-12 1998-05-22 California Institute Of Technology Two-photon or higher-order absorbing optical materials and methods of use
WO2010115080A2 (en) * 2009-04-02 2010-10-07 The Johns Hopkins University Self-assembling peptides bearing organic electronic functionality and applications employing the same
WO2012002911A1 (en) * 2010-06-29 2012-01-05 National University Of Singapore Methods and compositions for cellular imaging and cancer cell detection using light harvesting conjugated polymer- biomolecular conjugates

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
C. O. SANCHEZ等: "Electronic and structural properties of polymersbased on phenylene vinylene and thiophene units. Control of the gap by gradual increases ofthiophene moieties", 《NEW J. CHEM.》 *
CUI JIANZHONG等: "Synthesis and light-emitting properties of organic electroluminescent compounds and their metal complexes", 《CHINESE SCIENCE BULLETIN 》 *
HIROYUKI MOCHIZUKI等: "Emission behavior of trifluoromethyl bisstyrylbenzene derivative", 《JAPANESE JOURNAL OF APPLIED PHYSICS》 *
KENICHIRO ITAMI等: "Triarylethene-Based Extended π-Systems: Programmable Synthesis and Photophysical Properties", 《J. ORG. CHEM.》 *
STN: "CAS", 《STN REGISTRY DATABASE》 *

Similar Documents

Publication Publication Date Title
Darviche et al. Diammonium hydrogen phosphate as a neutral and efficient catalyst for synthesis of 1, 8‐dioxo‐octahydroxanthene derivatives in aqueous media
Parvanak Boroujeni et al. Synthesis of biscoumarin derivatives using poly (4-vinylpyridine)-supported dual acidic ionic liquid as a heterogeneous catalyst
Maghsoodlou et al. Saccharose as a new, natural, and highly efficient catalyst for the one-pot synthesis of 4, 5-dihydropyrano [3, 2-c] chromenes, 2-amino-3-cyano-4 H-chromenes, 1, 8-dioxodecahydroacridine, and 2-substituted benzimidazole derivatives
Nasirmahale et al. Poly (4-vinylpyridine)(P4VPy): A basic catalyst for facile synthesis of biscoumarin and dihydropyrano [3, 2-c] chromene derivatives in aqueous media
Li et al. Design, Synthesis and Evaluation of Novel Rhodanine‐containing Sorafenib Analogs as Potential Antitumor Agents
Shaterian et al. Reaction in dry media: silica gel supported ferric chloride catalyzed synthesis of 1, 8-dioxo-octahydroxanthene derivatives
Sharma et al. ESIPT induced AIEE active material for recognition of 2-thiobarbituric acid
Lu et al. β-Cyclodextrin as an efficient catalyst for the one-pot synthesis of tetrahydrobenzo [b] pyran derivatives in water
Kamalifar et al. An expeditious and green one-pot synthesis of 12-substituted-3, 3-dimethyl-3, 4, 5, 12-tetrahydrobenzo [b] acridine-1, 6, 11 (2 H)-triones
Yang et al. Photoinduced reaction of potassium alkyltrifluoroborates, sulfur dioxide and para-quinone methides via radical 1, 6-addition
Nishtala et al. ZnCl2+ Urea, the deep eutectic solvent promoted synthesis of the spirooxindolopyrans and xanthenes through a pseudo-three-component approach
Hazeri et al. Potassium sodium tartrate as a versatile and efficient catalyst for the one-pot synthesis of pyran annulated heterocyclic compounds in aqueous media
Khaligh et al. Succinimide-N-sulfonic acid as a recyclable Brönsted acid catalyst for synthesis of pyrano [4, 3-b] pyran derivatives by using solar energy under solvent-free conditions
Sosnovskikh Synthesis and reactivity of 3-(1-alkynyl) chromones
Liu et al. Silica-gel-supported Ce (SO4) 2· 4H2O-mediated cyclization of 2′-amino and 2′-hydroxychalcones under solvent-free conditions
CN106242936A (en) One class is to diphenylethyllene benzene and to benzene divinyl analog derivative and preparation method thereof
Karimi-Jaberi et al. Efficient One-Pot Synthesis of Some New Xanthene Derivatives Based on the Reaction of Dimedone with α, α′-Bis (substituted-benzylidene) Cycloalkanones Using Catalytic Amount of pTSA
Tambe et al. Novel pumice supported perchloric acid promoted protocol for the synthesis of tetrahydrobenzo [b] pyran via multi-component approach
Desai et al. A simple, economical, and environmentally benign protocol for the synthesis of 2-amino-3, 5-dicarbonitrile-6-sulfanylpyridines at ambient temperature
Rocha et al. Photophysical, photostability, and ROS generation properties of new trifluoromethylated quinoline-phenol Schiff bases
CN102241891B (en) Pyrazolopyridine coumarin dye derivative, and synthesis method and application thereof
Ehlers et al. Synthesis of fluorescent 2, 3, 5, 6-tetraalkynylpyridines by site-selective Sonogashira-reactions of 2, 3, 5, 6-tetrachloropyridines
CN103694173A (en) Acridone derivatives and synthesis method thereof
Lyapchev et al. Efficient Synthesis of Fluorescent Coumarins and Phosphorous-Containing Coumarin-Type Heterocycles via Palladium Catalyzed Cross-Coupling Reactions
Maity et al. Visible‐light‐switchable Chalcone‐Flavylium Photochromic Systems in Aqueous Media

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20161221

WD01 Invention patent application deemed withdrawn after publication