CN110003152A - 2 (5H)-furanone based derivatives of one kind and its preparation method and application - Google Patents

2 (5H)-furanone based derivatives of one kind and its preparation method and application Download PDF

Info

Publication number
CN110003152A
CN110003152A CN201910170564.2A CN201910170564A CN110003152A CN 110003152 A CN110003152 A CN 110003152A CN 201910170564 A CN201910170564 A CN 201910170564A CN 110003152 A CN110003152 A CN 110003152A
Authority
CN
China
Prior art keywords
methanol
furanone
preparation
furanone based
extract
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
CN201910170564.2A
Other languages
Chinese (zh)
Other versions
CN110003152B (en
Inventor
何山
丁立建
黄立明
李小辉
斯拉瓦·爱泼斯坦
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.)
Ningbo University
Original Assignee
Ningbo 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 Ningbo University filed Critical Ningbo University
Priority to CN201910170564.2A priority Critical patent/CN110003152B/en
Publication of CN110003152A publication Critical patent/CN110003152A/en
Application granted granted Critical
Publication of CN110003152B publication Critical patent/CN110003152B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/02Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
    • A01N43/04Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
    • A01N43/06Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings
    • A01N43/08Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings with oxygen as the ring hetero 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
    • C07D307/56Heterocyclic 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 hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D307/58One oxygen atom, e.g. butenolide
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P17/00Preparation of heterocyclic carbon compounds with only O, N, S, Se or Te as ring hetero atoms
    • C12P17/02Oxygen as only ring hetero atoms
    • C12P17/04Oxygen as only ring hetero atoms containing a five-membered hetero ring, e.g. griseofulvin, vitamin C

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Genetics & Genomics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Microbiology (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Dentistry (AREA)
  • Environmental Sciences (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Abstract

The invention discloses a kind of 2 (5H)-furanone based derivatives and its preparation method and application, feature is the structural formula of 2 (the 5H)-furanone based derivative as shown in I, preparation methods steps include obtaining the fermentation material for containing 2 (5H)-furanone based derivatives by the marine fungi fermented and cultured that deposit number is CCTCC No:M2014086, then methanol is added and impregnates ultrasound filtration, it is evaporated, it is evaporated after being extracted with ethyl acetate again, obtain coarse extract, by the extract through depressurizing silica gel column chromatography, gel filtration chromatography, reverse phase medium pressure column chromatography, last half preparative high-performance liquid chromatographic of reverse phase isolates and purifies to obtain, 2 (the 5H)-furanone based derivative has plant growth inhibiting effect, advantage is that chemical compounds I has the ability for inhibiting plant lateral roots growth, potentially contribute to control farming Object excessive growth and help to increase its yield.

Description

2 (5H)-furanone based derivatives of one kind and its preparation method and application
Technical field
The present invention relates to a kind of 2 (5H)-furanone based derivatives, more particularly, to a kind of 2 (5H)-furanone based derivatives And its preparation method and application.
Background technique
2 (5H)-furanones are five-membered heterocycles also known as γ-hydroxyl butenolide, and 3,4,5 can deposit In substituent group, and condensed ring can also be formed, especially [3,4] position be easy to same phenyl ring it is thick and.Change containing 2 (5H)-furanone structures Object is closed to be widely present in natural products, research find such compound with extensive bioactivity, as antibacterial, it is antimycotic, Anti-inflammatory, antiviral and anticancer isoreactivity.The present inventor's research learns that sponge is total to epiphytic fungiAspergillus ustus(preservation In China typical culture collection center, deposit number are as follows: CCTCC No:M2014086) ethyl acetate of solid fermentation extracts Object is inhibited to the lateral root growth of arabidopsis Columbia-0.Then its active constituent is studied, it is isolated A kind of 2 new (5H)-furanone based derivatives.The chemical structure and its plant growth for having not yet to see the compound inhibit to live The report of property, therefore in the market also there is not yet plant growth inhibitor related to this.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of 2 (5H)-furanones with plant lateral roots inhibitory activity Analog derivative and its preparation method and application.
The technical scheme of the invention to solve the technical problem is: a kind of 2 (5H)-furanone based derivatives, this 2 The structural formula of (5H)-furanone based derivative is as shown in I:
(I).
The preparation method of above-mentioned 2 (5H)-furanone based derivative, specifically comprises the following steps:
(1) fermenting and producing: by deposit number be CCTCC No:M2014086 aspergillus ustus (Aspergillus ustus) scribing line It brings back to life, then chooses a single colonie and be inoculated into PDB fluid nutrient medium, under the conditions of 27-29 DEG C, 140-160rpm, cultivate 5 days It is used as seed liquor afterwards;Seed liquor is inoculated into the conical flask equipped with rice medium again, in 27-29 DEG C, is left to ferment 28-32 It;
(2) acquisition of coarse extract: being added methanol into the conical flask after fermentation, 12-18 minutes ultrasonic by solid immersion, stands After overnight, methanol extract liquid filtered through gauze is removed into solid residue;It, will after solid residue methanol is repeated extraction 3-5 times Methanol extract liquid is evaporated after merging;Then it is dissolved with water, adds and repeat extraction 4-6 times with the isometric ethyl acetate of water, close And be concentrated under reduced pressure after extract liquor and remove ethyl acetate, obtain coarse extract;
(3) compound isolates and purifies: after coarse extract methylene chloride and methanol mixed solvent dissolution, adding 200-300 mesh silicon Glue mixes sample, and the petrol ether/ethyl acetate with volume ratio 1:1 is eluant, eluent, carries out decompression silica gel column chromatography to coarse extract, collection is washed De- component;By the elution fraction by gel filtration chromatography (LH-20), after methylene chloride and methanol mixed solvent elution, then pass through Compression leg chromatographic isolation in reverse phase is crossed, uses elution ratio for 15-100% methanol/water gradient elution 140 minutes, flow velocity 20ml/ Min collects the flow point that appearance time is 52 minutes, and finally the flow point isolates and purifies to obtain through half preparation reversed-phase high performance liquid chromatography 2 (5H)-furanone based derivatives, structure are shown in formula I:
(I).
The formula of the PDB fluid nutrient medium is as follows: potato 200g, glucose 20g, sea crystal 35g and distillation Water 1L;The formula of the rice medium is as follows: rice 100g, sea crystal 3.5g and distilled water 100ml.
The volume ratio of methylene chloride and methanol is 1:1 in the methylene chloride and methanol mixed solvent.
The eluent of half preparation reversed-phase high performance liquid chromatography is that 18:82 is mixed acetonitrile by volume with water.
The purposes of above-mentioned 2 (5H)-furanone based derivative, described 2 (5H)-furanone based derivatives are raw in preparation plant Purposes in terms of long inhibitor.
Compared with the prior art, the advantages of the present invention are as follows: the present invention 2 (5H)-furanone based derivatives of one kind and its system Preparation Method and purposes obtain the fermentation material containing 2 (5H)-furanone based derivatives by microbial fermentation culture, then will hair Ferment object with methanol impregnate, ethyl acetate extract, obtain coarse extract, by the coarse extract through depressurize silica gel column chromatography, gel filtration chromatography, in Pressure column chromatography and half preparative high-performance liquid chromatographic of reverse phase isolate and purify to obtain, which can be used as tool There are the new plant growth inhibitor ingredient or lead compound of plant growth inhibiting effect;The present invention is obtained by microbial fermentation 2 (5H)-furanone based derivatives, operating procedure is simple, feature with short production cycle, product cost is low and no pollution to the environment.
Above-mentioned aspergillus ustus (Aspergillus ustus), which is DJ003 bacterial strain, and deposit number is CCTCC No. M2014086, China typical culture collection center was preserved on 03 14th, 2014, and preservation address is the China Wuhan military Chinese university.
Detailed description of the invention
Fig. 1 is chemical compounds I to arabidopsis Columbia-0(Col-0) lateral root growth inhibitory activity.100 μM of chemical compounds I It is added to Murashige and Skoog(MS) in culture medium, then the Col-0 seed handled well is inoculated on MS culture medium, with After be placed on 16 hours illumination/8 hour dark photoperiod (120 μM of photon m of luminous intensity-2s-1) growth room in incubate, ten After it, the quantity of lateral root is observed under the microscope.Use the DMSO of 2%(v/v) as negative control.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
Embodiment 1
2 (5H)-furanone based derivative structural formulas of one kind are as shown in I:
(I).
Embodiment 2
The preparation method of (5H)-furanone based derivative 2 as shown in I formula, steps are as follows:
(1) fermenting and producing: by deposit number be CCTCC No:M2014086 aspergillus ustus (Aspergillus ustus) scribing line is again It is living, it then chooses a single colonie and is inoculated into PDB fluid nutrient medium (potato 200g, glucose 20g, sea crystal 35g and distillation Water 1L) in, under the conditions of 27-29 DEG C, 140-160rpm, seed liquor is used as after culture 5 days;Seed liquor (20ml/ bottles) is connect again Kind is into the 100 bottled 1L conical flasks for having rice medium (rice 100g, sea crystal 3.5g and distilled water 100ml), in 27- It 29 DEG C, is left to ferment 28-32 days;
(2) acquisition of coarse extract: being added methanol into the conical flask after fermentation, 12-18 minutes ultrasonic by solid immersion, stands After overnight, methanol extract liquid filtered through gauze is removed into solid residue;After solid residue is repeated extraction 3-5 times, methanol is mentioned It is evaporated after taking liquid to merge;Then it is dissolved with the water of 1L, adds isometric ethyl acetate and repeat extraction 4-6 times, merge extraction It is concentrated under reduced pressure after liquid and removes ethyl acetate, obtain coarse extract;
(3) compound isolates and purifies:
After coarse extract methylene chloride and methanol (volume ratio of methylene chloride and methanol is 1:1) mixed solvent dissolution, add 200-300 mesh silica gel mixed sample, is eluant, eluent with the petrol ether/ethyl acetate that volume ratio is 1:1, carries out decompression silica gel to coarse extract Column chromatography, collects elution fraction;By the elution fraction by gel filtration chromatography (LH-20), with methylene chloride and methanol (dichloromethane The volume ratio of alkane and methanol is 1:1) after mixed solvent elution, using compression leg chromatographic isolation in reverse phase, use elution ratio for 15-100% methanol/water gradient elution 140 minutes, flow velocity 20ml/min, the flow point that appearance time is 52 minutes is collected, finally The flow point isolates and purifies to obtain 2 (5H)-furanone based derivatives, structure such as Formulas I institute through half preparation reversed-phase high performance liquid chromatography Show:
(I),
Wherein the eluent of half preparation reversed-phase high performance liquid chromatography is that 18:82 is mixed acetonitrile by volume with water.
The faint yellow oily of compound 1, molecular formula C11H16O4, [α] 24 D=+ 20.67 (c0.6, MeOH), sun from Sub- HRESIMSm/z: 235.0940 [M+Na]+,1H and13C-NMR data are shown in Table 1.
1 chemical compounds I of table1H and13C NMR data (600 and 140-160MHz, in DMSO-d 6)
Note: this table signals assignment be based on DEPT,1H-1H COSY, HSQC and HMBC spectrum analysis result.Hydrogen signal multiplicity point Yong s(singlet), d(doublet), t(triplet) and m(multiplet) table.
Embodiment 3
Arabidopsis Columbia-0(Col-0) lateral root growth reaction test
(1) laboratory sample
The preparation of sample solution: test sample is the chemical compounds I sterling isolated and purified in above-described embodiment 2, and precision weighs Appropriate amount of sample, for surveying activity.
(2) experimental method
The lateral root growth inhibition activity for determining chemical compounds I is reacted by Col-0 lateral root growth.100 μM of drugs are added to Murashige and Skoog(MS) in culture medium, then the Col-0 seed handled well is inoculated on MS culture medium, is subsequently put on With 16 hours illumination/8 hour dark photoperiod (120 μM of photon m of luminous intensity-2s-1) growth room in incubate, after ten days, The quantity of microscopically observation lateral root.Use the DMSO of 2%(v/v) as negative control.
(3) experimental result
In the test of Col-0 lateral root growth reaction.100 μM of chemical compounds I is added to Murashige and Skoog(MS) culture In base, then the Col-0 seed handled well is inoculated on MS culture medium, is subsequently put on black with 16 hours illumination/8 hour Dark photoperiod (120 μM of photon m of luminous intensity-2s-1) growth room in incubate ten days, by the number for observing lateral root under the microscope Amount.As shown in Figure 1, chemical compounds I, under 100 μM of concentration, Col-0 lateral root is not grown substantially, show that compound 1 may be as effective Plant growth inhibitor.Many plant growth inhibitors potentially contribute to control crops excessive growth and have such as B9 and Pix Help increase its yield.Therefore, chemical compounds I is derivative as 2 (5H)-Furanones with strong plant lateral roots growth inhibition performance Object, it can also be used to which increasing crop yield increases income.
Above description is not limitation of the present invention, and the present invention is also not limited to the example above.The art it is common Within the essential scope of the present invention, the variations, modifications, additions or substitutions made also should belong to protection of the invention to technical staff Range.

Claims (6)

1. one kind 2 (5H)-furanone based derivative, it is characterised in that such as I institute of structural formula of 2 (the 5H)-furanone based derivative Show:
(I).
2. a kind of preparation method of 2 (5H)-furanone based derivative according to claim 1, it is characterised in that specific packet Include following steps:
(1) fermenting and producing: by deposit number be CCTCC No:M2014086 aspergillus ustus (Aspergillus ustus) scribing line It brings back to life, then chooses a single colonie and be inoculated into PDB fluid nutrient medium, under the conditions of 27-29 DEG C, 140-160rpm, cultivate 5 days It is used as seed liquor afterwards;Seed liquor is inoculated into the conical flask equipped with rice medium again, in 27-29 DEG C, is left to ferment 28-32 It;
(2) acquisition of coarse extract: being added methanol into the conical flask after fermentation, 12-18 minutes ultrasonic by solid immersion, stands After overnight, methanol extract liquid filtered through gauze is removed into solid residue;It, will after solid residue methanol is repeated extraction 3-5 times Methanol extract liquid is evaporated after merging;Then it is dissolved with water, adds and repeat extraction 4-6 times with the isometric ethyl acetate of water, close And be concentrated under reduced pressure after extract liquor and remove ethyl acetate, obtain coarse extract;
(3) compound isolates and purifies: after coarse extract methylene chloride and methanol mixed solvent dissolution, adding 200-300 mesh silicon Glue mixes sample, and the petrol ether/ethyl acetate with volume ratio 1:1 is eluant, eluent, carries out decompression silica gel column chromatography to coarse extract, collection is washed De- component;By the elution fraction by gel filtration chromatography, after methylene chloride and methanol mixed solvent elution, using in reverse phase Compression leg chromatographic isolation uses elution ratio for 15-100% methanol/water gradient elution 140 minutes, flow velocity 20ml/min, collects The flow point that appearance time is 52 minutes, finally the flow point isolates and purifies to obtain 2 (5H)-furans through half preparation reversed-phase high performance liquid chromatography It mutters ketones derivant, structure is shown in formula I:
(I).
3. a kind of preparation method of 2 (5H)-furanone based derivative according to claim 2, it is characterised in that described The formula of PDB fluid nutrient medium is as follows: potato 200g, glucose 20g, sea crystal 35g and distilled water 1L;The rice The formula of culture medium is as follows: rice 100g, sea crystal 3.5g and distilled water 100ml.
4. a kind of preparation method of 2 (5H)-furanone based derivative according to claim 2, it is characterised in that described The volume ratio of methylene chloride and methanol is 1:1 in methylene chloride and methanol mixed solvent.
5. a kind of preparation method of 2 (5H)-furanone based derivative according to claim 2, it is characterised in that: described The eluent of half preparation reversed-phase high performance liquid chromatography is that 18:82 is mixed acetonitrile by volume with water.
6. a kind of purposes of 2 (5H)-furanone based derivative according to any one of claims 1-5, it is characterised in that: Purposes of 2 (the 5H)-furanone based derivatives in terms of preparing plant growth inhibitor.
CN201910170564.2A 2019-03-07 2019-03-07 2 (5H) -furanone derivative and preparation method and application thereof Active CN110003152B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910170564.2A CN110003152B (en) 2019-03-07 2019-03-07 2 (5H) -furanone derivative and preparation method and application thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910170564.2A CN110003152B (en) 2019-03-07 2019-03-07 2 (5H) -furanone derivative and preparation method and application thereof

Publications (2)

Publication Number Publication Date
CN110003152A true CN110003152A (en) 2019-07-12
CN110003152B CN110003152B (en) 2022-12-13

Family

ID=67166570

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910170564.2A Active CN110003152B (en) 2019-03-07 2019-03-07 2 (5H) -furanone derivative and preparation method and application thereof

Country Status (1)

Country Link
CN (1) CN110003152B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110229127A (en) * 2019-07-22 2019-09-13 海南师范大学 A kind of butyrolactone compound and the preparation method and application thereof in mangrove endogenetic fungus source
CN111533715A (en) * 2020-04-22 2020-08-14 南京农业大学 2(5H) -furan-2-one derivative, preparation method thereof and application thereof in inhibiting rice tillering
CN113264913A (en) * 2021-04-14 2021-08-17 宁波大学 Benzopyrone compound and preparation method and application thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106565639A (en) * 2016-10-14 2017-04-19 宁波大学 Tetrahydrofuran compound and preparation method and application thereof
CN110229127A (en) * 2019-07-22 2019-09-13 海南师范大学 A kind of butyrolactone compound and the preparation method and application thereof in mangrove endogenetic fungus source

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106565639A (en) * 2016-10-14 2017-04-19 宁波大学 Tetrahydrofuran compound and preparation method and application thereof
CN110229127A (en) * 2019-07-22 2019-09-13 海南师范大学 A kind of butyrolactone compound and the preparation method and application thereof in mangrove endogenetic fungus source

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
LIMING HUANG ET AL.: ""A new lateral root growth inhibitor from the sponge-derived fungus Aspergillus sp. LS45"", 《BIOORGANIC & MEDICINAL CHEMISTRY LETTERS》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110229127A (en) * 2019-07-22 2019-09-13 海南师范大学 A kind of butyrolactone compound and the preparation method and application thereof in mangrove endogenetic fungus source
CN111533715A (en) * 2020-04-22 2020-08-14 南京农业大学 2(5H) -furan-2-one derivative, preparation method thereof and application thereof in inhibiting rice tillering
CN113264913A (en) * 2021-04-14 2021-08-17 宁波大学 Benzopyrone compound and preparation method and application thereof
CN113264913B (en) * 2021-04-14 2022-06-21 宁波大学 Benzopyrone compound and preparation method and application thereof

Also Published As

Publication number Publication date
CN110003152B (en) 2022-12-13

Similar Documents

Publication Publication Date Title
CN110003152A (en) 2 (5H)-furanone based derivatives of one kind and its preparation method and application
CN108299462A (en) Mixed source terpene compound and its separation method and application
CN108558817A (en) A kind of isocoumarin analog derivative and its preparation method and application
CN114606134A (en) Sponge epiphyte and application thereof in preparation of oxaanthraquinone compounds
CN106967024B (en) A kind of α-pyrone derivative and its preparation method and application
CN112521261A (en) Secondary metabolite of endophytic fungi nigrospora ginkgo and bacteriostatic application thereof
Hallock et al. Triticones, spirocyclic lactams from the fungal plant pathogen Drechslera tritici-repentis
CN110776518A (en) Azaphilone spiro compounds and preparation method and application thereof
CN110862371B (en) Polycyclic polyketone compound, preparation method thereof and application thereof in preparation of antibacterial drugs
CN109503414A (en) One kind alkane type sesquiterpene derivative of flores aurantii containing azo-cycle and its preparation and application
CN106518643B (en) A kind of cyclopentene ketone compounds and its preparation method and application
CN105753889B (en) Cochlioquinone class compound and preparation method thereof and application in preparation of anti-tumor drugs
CN110003153A (en) A kind of benzofuran compounds and its preparation method and application
CN110330544A (en) A kind of bicyclic steroid of 4,4,1- and its preparation method and application
CN104804020B (en) Sulfodionepiperazine compound, and preparation method and use thereof
CN106565639B (en) A kind of tetrahydrofurans and its preparation method and application
CN108707090A (en) One kind aromatic compound containing chlorine and its preparation method and application
CN110483467A (en) Dihydroiso-coumarin analog derivative and its preparation method and application
CN108794502B (en) Trichothecene compound and preparation method and application thereof
CN110002996B (en) Diphenyl ether compound and preparation method and application thereof
CN102746995A (en) Preparation method for isochromophilone VIII and application of same in preparation of antineoplastic drugs
CN102786528A (en) Polyoxybiotic alkali compound as well as preparation method and application thereof
CN113004237A (en) Spiro compound and preparation method and application thereof
CN110642823A (en) Pyran derivative and preparation method and application thereof
CN108503534A (en) The extracting method of P-hydroxybenzoic acid and 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