CN107759652A - Containing cholesteric coumarin derivatives and its synthesis and application - Google Patents

Containing cholesteric coumarin derivatives and its synthesis and application Download PDF

Info

Publication number
CN107759652A
CN107759652A CN201710764590.9A CN201710764590A CN107759652A CN 107759652 A CN107759652 A CN 107759652A CN 201710764590 A CN201710764590 A CN 201710764590A CN 107759652 A CN107759652 A CN 107759652A
Authority
CN
China
Prior art keywords
coumarin
coumarin derivatives
cholesteric
containing cholesteric
synthesis
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.)
Granted
Application number
CN201710764590.9A
Other languages
Chinese (zh)
Other versions
CN107759652B (en
Inventor
李晓莲
陈学惠
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.)
Dalian University of Technology
Original Assignee
Dalian University of Technology
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 Dalian University of Technology filed Critical Dalian University of Technology
Priority to CN201710764590.9A priority Critical patent/CN107759652B/en
Publication of CN107759652A publication Critical patent/CN107759652A/en
Application granted granted Critical
Publication of CN107759652B publication Critical patent/CN107759652B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J17/00Normal steroids containing carbon, hydrogen, halogen or oxygen, having an oxygen-containing hetero ring not condensed with the cyclopenta(a)hydrophenanthrene skeleton
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07JSTEROIDS
    • C07J41/00Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring
    • C07J41/0033Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring not covered by C07J41/0005
    • C07J41/0055Normal steroids containing one or more nitrogen atoms not belonging to a hetero ring not covered by C07J41/0005 the 17-beta position being substituted by an uninterrupted chain of at least three carbon atoms which may or may not be branched, e.g. cholane or cholestane derivatives, optionally cyclised, e.g. 17-beta-phenyl or 17-beta-furyl derivatives
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00Liquid crystal materials
    • C09K19/04Liquid crystal materials characterised by the chemical structure of the liquid crystal components, e.g. by a specific unit
    • C09K19/36Steroidal liquid crystal compounds

Abstract

The invention discloses synthesis and application of the one kind containing cholesteric coumarin derivatives, belongs to biological organic synthesis field.Cholesterine after modification is introduced cumarin, new drug of the research and development with anticancer effect by the present invention.It is of the present invention to contain cholesteric coumarin derivatives, it is that different coumarin derivatives is synthesized with 5 different substituted salicylic aldehydes, studies the structure-activity relationship of drug molecule;Cumarin and cholesterine are had to the new target compound containing cholesteric naphthalimide analog derivative of active anticancer by acylation reaction or the generation of DCC methods esterification.

Description

Containing cholesteric coumarin derivatives and its synthesis and application
Technical field
The present invention relates to containing cholesteric coumarin derivatives and its synthesis and application, belong to biological organic synthesis neck Domain.
Background technology
Coumarin kind compound refers to that bioactivity is extensive using benzo a- pyranone structure as the compound of female ring, such as anti- HIV, inoxidizability, antibacterium is antiviral, anticoagulation, treating tuberculosis, antitumor etc..Warfarin sodium, it is to be related to anti-cancer field earliest Coumarin drugs, can significant anti-V2 cancer cells.Cumarin has strong cyclic voltammetry method ability, and exists in molecule The conjugated degree that C=C, C=O double bond add molecule makes it have larger conjugated system, and it is firm that lactone structure enhances molecule Property so that coumarin derivatives have fluorescence, and light quantum stability and photoluminescence quantum efficiencies are all higher, make it There is extensive potential application in various fields such as food, fuel, spices, medicine, agricultural chemicals, photoelectric material, Supramolecular Recognitions.Courage The formation of sterol and cell membrane, cholic acid, vitamin D is closely bound up, great to animal body effect, and some cholesterin derivatives With antitumor, active anticancer.There is a hydroxy functional group, esterification modification has obtained many derivatives on cholesterine.Hydroxyl The soluble derivative of steroid has strong antitumaous effect to mouse Krebs II.Mohamed Ramadan El Sayed Aly et al. has synthesized cholesterine triazole derivative and has shown obvious antifungal activity and cytotoxicity.
The content of the invention
The present invention provides a kind of synthesis and application containing cholesteric coumarin derivatives.Cholesterine after modification is drawn Enter cumarin, new drug of the research and development with anticancer effect.
Of the present invention to contain cholesteric coumarin derivatives, (1) synthesizes different cumarins with different salicylides Derivative, study the structure-activity relationship of drug molecule.(2) cumarin and cholesterine are passed through into acylation reaction or DCC method esterifications New target compound containing cholesteric naphthalimide analog derivative of the generation with active anticancer.
Technical scheme is used by the present invention solves above-mentioned technical problem:Containing cholesteric coumarin derivatives, its Chemical molecular general structure C is as follows:
In formula C:
R is selected from H atom, N, TMSDEA N diethylamine base, methyl, methoxyl group.
The present invention provides the above-mentioned preparation method containing cholesteric coumarin derivatives, using the salicylide of 5 substitutions as Initiation material, react through Knoevenagel to obtain 7-R- Coumarin-3-carboxylic Acid Ethyl Esters, basic hydrolysis, acid with diethyl malonate Change obtains 7-R- coumarin-3-carboxy acids, and ultimately producing target product has two kinds of approach, approach one:7-R- coumarin-3-carboxy acids after It is continuous to generate 7-R- cumarin -3- formyl chlorides with thionyl chloride reaction, then obtained with cholesterine by acylation reaction containing cholesteric The target compound of coumarin derivatives;Approach two:7-R- coumarin-3-carboxy acids are directly occurred with cholesterine by DCC methods Esterification generates the target compound containing cholesteric coumarin derivatives.
The R is selected from H atom, N, TMSDEA N diethylamine base, methyl, methoxyl group.
The above-mentioned synthetic route containing cholesteric coumarin derivatives is as follows:
The present invention provides the above-mentioned application containing cholesteric naphthalimide analog derivative in cancer cell medicine is suppressed.It is described JEG-3 for HepG2 (human liver cancer cell), Hela (human cervical carcinoma cell), MCF-7 (human breast cancer cell), A549 (people Lung carcinoma cell).
With above-mentioned synthesis containing cholesteric naphthalimide analog derivative MTT colorimetric methods to HepG2 (human liver cancer cell), Hela (human cervical carcinoma cell), MCF-7 (breast cancer cell), A549 (lung carcinoma cell) carry out extracorporeal suppression tumor cell growth and lived Property measure, the results showed that, such compound to the cancer cells such as liver cancer, cervical carcinoma, breast cancer, lung cancer have suppress growth effect Fruit.
With MTT colorimetric methods by HepG2 (human liver cancer cell), Hela (human cervical carcinoma cell), MCF-7 (breast cancer cell), A549 (lung carcinoma cell) is with 5 × 103Individual cells/well is inoculated in 96 orifice plates, and the μ L/ of gradient concentration decoction 200 are added after cultivating 24h Hole, to each tumor cell line, 5 multiple holes are set, separately set acellular zeroing hole;Tumour cell is in 37 DEG C, 5%CO2Under the conditions of After cultivating 24h, add 20 μ L MTT liquid to continue after cultivating 4h, supernatant is carefully suctioned out with liquid-transfering gun, add DMSO dissolving knots Crystalline substance, then survey OD with ELIASA490Value, IC of the measured object to growth of cancer cells is calculated using bandit's formula improved method50Value.
It is of the present invention that there is liquid crystalline phase containing cholesteric coumarin derivatives, available for LCDs.
Brief description of the drawings
Fig. 1 is compound C1 liquid crystal phasor;
Fig. 2 is compound C2 liquid crystal phasor.
Embodiment
By embodiment, the present invention is further illustrated.
Embodiment 1 (approach one)
The synthesis of coumarin-3-carboxylic acid cholesterol ester (C1)
(1) synthesis of intermediate 7-R- Coumarin-3-carboxylic Acid Ethyl Esters:
The synthesis of Coumarin-3-carboxylic Acid Ethyl Ester (intermediate 1):
Clean three-necked flask, 45mL absolute ethyl alcohols make solvent, sequentially add 7.86mL salicylides, 13.50mL malonic acid Second diester, 0.9mL piperidines, 1-3mL glacial acetic acid, load onto the spherical condensation tube with anhydrous calcium chloride drying tube, are heated to reflux 2- 5h, stop heating, be transferred to beaker after being cooled to room temperature, cooled down in ice-water bath, separate out product sufficient crystallising, then decompression is taken out Filter, and wash crystal 2~3 times with 50% cooled ethanol solution, obtain white crystal 12.4g, yield 75.6%.It is molten Point:124.0-125.0℃.
(2) synthesis of intermediate 7-R- coumarin-3-carboxy acids:
The synthesis of coumarin-3-carboxy acid's (intermediate 2):
The 5.0g sodium hydroxides of 4.0g intermediates 5, the 25mL of above-mentioned gained are sequentially added in dry round-bottomed flask 95% absolute ethyl alcohol and 10mL water, oil bath backflow, continue the 20min that flows back after ester all dissolving.
Stop heating, be cooled to room temperature, reaction solution is transferred in conical flask, watery hydrochloric acid is added dropwise, shake, can see in drop To there is white crystal precipitation, ice-water bath cooling makes crystallization complete.Filter, wash, dry, obtain product about 2.87g, yield 82.5%.Fusing point:190.0-191.0℃.
(3) synthesis of intermediate 7-R- cumarins -3- formyl chlorides:
The synthesis of cumarin -3- formyl chlorides (intermediate 3):
2.87g intermediates 6, the SOCl that 20mL newly steams are added in dry 50mL round-bottomed flasks2, oil bath heating backflow 2h, TLC, which track to reaction, to be terminated, and decompression steams remnants SOCl2, obtain faint yellow solid 3.05g, yield 96.8%.Fusing point: 146.0-147.0℃。
(4) synthesis of end-product 7-R- coumarin-3-carboxylic acids cholesterol ester:
The synthesis of end-product coumarin-3-carboxylic acid cholesterol ester (C1):
In 25mL two-mouth bottles, 20mL dichloromethane makees solvent, adds 0.50g intermediates 7, and being placed in stirring in ice-water bath makes Dissolving;0.84g (2.17mmol) cholesterine is added, 1h is stirred, is slow added into 0.3mL triethylamines, at room temperature stirring reaction 12h, TLC are tracked.Solvent removed by evaporation at reduced pressure, column chromatography purification (eluent CH2Cl2), obtain white solid D3 0.80g.Production Rate:66.5%.
+ESI MS(M+Na):C37H50O4, calculated value:558.3709, measured value:558.3599.
1H NMR(400MHz,CDCl3) δ 8.44 (s, 1H), 7.63-7.56 (m, 2H), δ 7.29 (t, J=7.9Hz, 2H), 5.37 (d, J=3.6Hz, 1H), 4.88-4.78 (m, 1H), 2.44 (d, J=7.8Hz, 2H), 2.01-1.70 (m, 7H), 1.60- 1.39 (m, 7H), 1.35-1.27 (m, 3H), 1.22-1.05 (m, 8H), 1.02 (s, 4H), 0.88 (d, J=6.4Hz, 3H), 0.83 (d, J=6.5Hz, 6H), 0.64 (s, 3H)
13C NMR(126MHz,CDCl3)δ162.34(s),156.65(s),155.14(s),148.08(s),139.43 (s),134.18(s),129.44(s),124.78(s),123.00(s),118.74(s),117.93(s),116.77(s), 75.77 (s), 56.69 (s), 56.15 (s), 50.03 (s), 42.33 (s), 39.63 (d, J=26.6Hz), 38.04 (s), 37.00 (s), 36.64 (s), 36.20 (s), 35.80 (s), 31.90 (d, J=8.7Hz), 28.24 (s), 28.02 (s), 27.75 (s), 24.30 (s), 23.85 (s), 22.71 (d, J=32.0Hz), 21.06 (s), 19.37 (s), 18.74 (s), 11.87 (s)
Compound C1 belongs to liquid crystal molecule, and it is as shown in Figure 1 liquid crystalline phase occur at 225.1-108.4 DEG C.
Embodiment 2 (approach two)
The synthesis of 7- (lignocaine) coumarin-3-carboxylic acid cholesterol esters (C2)
(1) synthesis of 7- (lignocaine) Coumarin-3-carboxylic Acid Ethyl Ester (intermediate 4):
In addition to salicylide is replaced with 4- (lignocaine)-salicylide, other operations obtain with the synthesis of the intermediate 1 of embodiment 1 Intermediate 4, yellow solid, yield 90.8%.Fusing point:220.4-222.3℃.
(2) synthesis of 7- (lignocaine) coumarin-3-carboxylic acid (intermediate 5):
Except intermediate 1 is replaced with intermediate 4, other operations obtain yellow solid, yield with the synthesis of the intermediate 2 of embodiment 1 80.8%.Fusing point:224.0-224.5℃.
(3) synthesis of end-product 7-R- coumarin-3-carboxylic acids cholesterol ester:
The synthesis of 7- (lignocaine) coumarin-3-carboxylic acid cholesterol esters (C2):
By 0.71g (1.84mmol) cholesterine and 0.40g (1.53mmol) 7- (lignocaine) coumarin-3-carboxylic acid (in Mesosome 9) be dissolved in 20mL drying dichloromethane in, stirring at normal temperature 5min, then add 0.02g (0.18mmol) DMAP and 0.38g (1.84mmol) DCC continues that reaction is stirred at room temperature, and TLC is tracked, and is stopped after 16h.Solvent removed by evaporation at reduced pressure, post Chromatographic purification (eluent CH2Cl2:CH3COOC2H5=20:1).Obtain crocus solid D4 0.44g, yield:45.8%.
+ESI MS(M+H):C41H59NO4, calculated value:629.4444, measured value:629.4498.
1H NMR(400MHz,CDCl3) δ 8.34 (s, 1H), 7.31 (d, J=9.0Hz, 1H), 6.55 (d, J=9.0Hz, 1H), 6.40 (s, 1H), 5.33 (t, J=11.0Hz, 1H), 4.85-4.72 (m, 1H), 3.40 (q, J=6.9Hz, 4H), 2.42 (d, J=7.7Hz, 2H), 1.93 (dt, J=28.8,20.1Hz, 6H), 1.70 (dd, J=23.5,11.4Hz, 2H), 1.56- 1.39 (m, 8H), 1.30 (dd, J=23.5,16.1Hz, 6H), 1.18 (t, J=7.1Hz, 9H), 1.01 (s, 4H), 0.87 (d, J =6.3Hz, 3H), 0.82 (d, J=6.6Hz, 6H), 0.63 (s, 3H)13C NMR(126MHz,CDCl3)δ163.40(s), 158.32 (d, J=19.7Hz), 152.78 (s), 148.79 (s), 139.79 (s), 130.97 (s), 122.65 (s), 109.39 (d, J=16.8Hz), 107.65 (s), 96.72 (s), 74.74 (s), 56.42 (d, J=70.4Hz), 50.04 (s), 45.07 (s), 42.32 (s), 39.64 (d, J=28.8Hz), 38.21 (s), 37.08 (s), 36.65 (s), 36.19 (s), 35.80 (s), 31.91 (d, J=7.6Hz), 28.24 (s), 28.01 (s), 27.87 (s), 24.29 (s), 23.84 (s), 22.70 (d, J= 32.1Hz),21.05(s),19.39(s),18.73(s),12.45(s),11.86(s).
Compound C2 belongs to liquid crystal molecule, liquid crystalline phase occurs at 180.4-162.5 DEG C as shown in Fig. 2 can be used for liquid crystal Display screen and e-book display.
Application examples 1:Anti tumor activity in vitro Inhibition test
This chapter experiment from HepG2 (human liver cancer cell), Hela (human cervical carcinoma cell), MCF-7 (breast cancer cell), Four kinds of cancer cells of A549 (lung carcinoma cell) to target compound C1-C2 test using the corresponding IC of mtt assay calculating50Value.
The compound C1-2 of table 2 is to HepG2, Hela, MCF-7, the IC of A549 cell lines50Value
Tab.2The values of IC50of compounds C1-2against HepG2,Hela,MCF-7,A549
As shown above, compound C1, C2 is to HepG2, Hela, MCF-7, and tetra- kinds of cancer cells of A549 are in micromole's rank Show good antitumous effect.Compound C1, C2 is best to the inhibition of A549 cell lines, IC50It is 26.42 μ respectively M、23.74μM.Compound C1 is less than compound C2 to MCF-7 and A549 inhibitory action, and the suppression to HepG2 and Hela is made With being but higher than compound C2.

Claims (5)

1. a kind of anticancer contains cholesteric coumarin derivatives, it is characterised in that the compound has formula C chemical constitution Formula:
R=H-CH3-OCH3
In formula C:
R is selected from H atom, N, TMSDEA N diethylamine base, methyl, methoxyl group.
2. the preparation method as claimed in claim 1 containing cholesteric coumarin derivatives, using the salicylide of 5 substitutions as Initiation material, react through Knoevenagel to obtain 7-R- Coumarin-3-carboxylic Acid Ethyl Esters, basic hydrolysis, acid with diethyl malonate Change obtains 7-R- coumarin-3-carboxy acids, and ultimately producing target product has two kinds of approach, approach one:7-R- coumarin-3-carboxy acids after It is continuous to generate 7-R- cumarin -3- formyl chlorides with thionyl chloride reaction, then obtained with cholesterine by acylation reaction containing cholesteric The target compound of coumarin derivatives;Approach two:7-R- coumarin-3-carboxy acids directly pass through dicyclohexyl carbon with cholesterine Target compound of the esterification generation containing cholesteric coumarin derivatives occurs for diimine dehydration esterification method DCC methods;
The R is selected from H atom, N, TMSDEA N diethylamine base, methyl, methoxyl group.
3. the application containing cholesteric coumarin derivatives in cancer cell medicine is suppressed as claimed in claim 1.
4. application according to claim 3, it is characterised in that described JEG-3 behaviour hepatocellular carcinoma H22, Ren Gong Neck cancer cell Hela, human breast cancer cell line Bcap-37, human lung cancer cell A549.
5. there is liquid crystalline phase containing cholesteric coumarin derivatives as claimed in claim 1, available for LCDs.
CN201710764590.9A 2017-08-30 2017-08-30 Containing cholesteric coumarin derivatives and its synthesis and application Expired - Fee Related CN107759652B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710764590.9A CN107759652B (en) 2017-08-30 2017-08-30 Containing cholesteric coumarin derivatives and its synthesis and application

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710764590.9A CN107759652B (en) 2017-08-30 2017-08-30 Containing cholesteric coumarin derivatives and its synthesis and application

Publications (2)

Publication Number Publication Date
CN107759652A true CN107759652A (en) 2018-03-06
CN107759652B CN107759652B (en) 2019-10-29

Family

ID=61265192

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710764590.9A Expired - Fee Related CN107759652B (en) 2017-08-30 2017-08-30 Containing cholesteric coumarin derivatives and its synthesis and application

Country Status (1)

Country Link
CN (1) CN107759652B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108570055A (en) * 2018-06-03 2018-09-25 曾庆强 A kind of amide derivatives and its application in the diseases such as cardiovascular and cerebrovascular, pulmonary hypertension
CN108570056A (en) * 2018-06-03 2018-09-25 曾庆强 A kind of amide derivatives and its application in the diseases such as cardiovascular and cerebrovascular, pulmonary hypertension
CN108586445A (en) * 2018-06-03 2018-09-28 曾庆强 Amide derivatives and its application as endothelin-receptor antagonists in the diseases such as cardiovascular and cerebrovascular, pulmonary hypertension
CN108586472A (en) * 2018-06-03 2018-09-28 曾庆强 Amide derivatives and its application as endothelin-receptor antagonists in the diseases such as cardiovascular and cerebrovascular, pulmonary hypertension
CN108658958A (en) * 2018-06-03 2018-10-16 曾庆强 A kind of amide derivatives and its application as endothelin-receptor antagonists
CN109096357A (en) * 2018-08-24 2018-12-28 大连理工大学 The synthesis of the naphthalimide analog derivative of Sulfide-containing Hindered and cholesterol ester and application

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005118584A2 (en) * 2004-05-26 2005-12-15 Axys Pharmaceuticals, Inc. Saframycin analogs as therapeutic agents in the treatment of cancer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005118584A2 (en) * 2004-05-26 2005-12-15 Axys Pharmaceuticals, Inc. Saframycin analogs as therapeutic agents in the treatment of cancer

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
N. N. THAKER ET AL: ""Mesomorphic heterocyclic homologous series: cholesteryl esters of 7-n-alkoxycoumarin-3-carboxylic acids and ethyl esters of 7-(p-n-alkoxybenzoyloxy)coumarin-3-carboxylic acids"", 《INDIAN JOURNAL OF CHEMISTRY, SECTION A: INORGANIC, PHYSICAL, THEORETICAL & ANALYTICAL 20A(6)》 *
V. V. BEZUGLOV ET AL: ""Synthesis of novel coumarin-3-carboxylic acid derivatives as chemical detectors of hydroxyl radicals in biological systems"", 《RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY》 *
张均田主编: "《现代药理实验方法(上、下)》", 31 October 1998, 北京医科大学、中国协和医科大学联合出版社 *
徐翠莲 等: ""香豆素-3-甲酸丁香酚酯的合成、表征及在烟草中的应用"", 《科技导报》 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108570055A (en) * 2018-06-03 2018-09-25 曾庆强 A kind of amide derivatives and its application in the diseases such as cardiovascular and cerebrovascular, pulmonary hypertension
CN108570056A (en) * 2018-06-03 2018-09-25 曾庆强 A kind of amide derivatives and its application in the diseases such as cardiovascular and cerebrovascular, pulmonary hypertension
CN108586445A (en) * 2018-06-03 2018-09-28 曾庆强 Amide derivatives and its application as endothelin-receptor antagonists in the diseases such as cardiovascular and cerebrovascular, pulmonary hypertension
CN108586472A (en) * 2018-06-03 2018-09-28 曾庆强 Amide derivatives and its application as endothelin-receptor antagonists in the diseases such as cardiovascular and cerebrovascular, pulmonary hypertension
CN108658958A (en) * 2018-06-03 2018-10-16 曾庆强 A kind of amide derivatives and its application as endothelin-receptor antagonists
CN109096357A (en) * 2018-08-24 2018-12-28 大连理工大学 The synthesis of the naphthalimide analog derivative of Sulfide-containing Hindered and cholesterol ester and application

Also Published As

Publication number Publication date
CN107759652B (en) 2019-10-29

Similar Documents

Publication Publication Date Title
CN107759652B (en) Containing cholesteric coumarin derivatives and its synthesis and application
CA2222471A1 (en) Ketone derivatives and medical application thereof
US20140011786A1 (en) Synthesis and use of anti-tumor drug lqc-y
CN107163011B (en) 3- (3,4,5- trimethoxybenzoyl)-benzofurans Antitubulin and its preparation method and application
CN102079700A (en) Method for synthesizing novel tetracyclic diterpene compound from stevioside
CN106866572B (en) Nitric oxide donator type β elemene derivatives and its production and use
CN107531741A (en) Fluorination and alkylation cholic acid
CN102978272B (en) Novel phytosterol or/and phytostanol derivative preparation method
CN106061942B (en) Novel C YP- eicosanoid derivatives
CN105503804B (en) The synthesis and the application in anti-tumor aspect of the O acetic acid esters of Quercetin 3
CN113336765B (en) Curcumenol esterified product, preparation method and application of curcumenol esterified product in medicine for treating colorectal cancer
CN106928068A (en) A kind of tetracyclic diterpene class iso steviol compound and preparation method and application
CN106699717B (en) A ring trimethoxy flavone substituted salicylic acid esters compound and its antitumor action
Schobert et al. Conjugates of the fungal cytotoxin illudin M with improved tumour specificity
CN106831397B (en) A kind of anthraquinone analog compound and preparation method thereof and medical application
CN116235856A (en) Application of crocin-1 and crocin-2
CN107056739B (en) Bola type quercetin derivative and its preparation method and application
CN102010338B (en) Method for preparing epicatechol gallate and protocatechuic acid ester compounds from natural shikimic acid
CN107698571A (en) Naphthalimide Coumarins DNA target is to dual damascene agent and its synthesis and application
CN101671248A (en) Long effective curcumin derivative and preparation method thereof
CN103772277B (en) Oxychloroquine linolenate and synthetic method thereof
CN101792477B (en) Acetyl ursolic acid acylate triethanolamine monoester with anti-cancer activity and preparation method thereof
Liu et al. Dihydromyricetin from Ampelopsis grossedentata and its derivatives: Structural characterization and anti-hepatocellular carcinoma activity
CN107698648A (en) Containing cholesteric naphthalimide analog derivative and its synthesis and application
CN104610249B (en) A kind of two potency sulfonyl isoxazole derivates and its application

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191029

Termination date: 20210830

CF01 Termination of patent right due to non-payment of annual fee