CN1095717A - Crowndaisy chrysantheins compound - Google Patents
Crowndaisy chrysantheins compound Download PDFInfo
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- CN1095717A CN1095717A CN 93112444 CN93112444A CN1095717A CN 1095717 A CN1095717 A CN 1095717A CN 93112444 CN93112444 CN 93112444 CN 93112444 A CN93112444 A CN 93112444A CN 1095717 A CN1095717 A CN 1095717A
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Abstract
The present invention designs and synthesizes a class Crowndaisy chrysantheins compound, utilizes furfural cheap and easy to get to make raw material, simple synthetic method.This compounds is the structure of the natural garland chrysanthemum element of simulation, is expected to have the antifeedant activity to insect, will develop into the agricultural chemicals of a class Effictive nuisancelless.
Description
Crowndaisy chrysanthemum has another name called crowndaisy chrysanthemum, is chrysanthemum material Chrysanthemum plant, formal name used at school Chrysanthemum Segetum L(Compositae), in the south of the lower reaches of the Yangtze River common vegetable in two seasons of spring and autumn.Crowndaisy chrysanthemum has unique perfume, is not subjected to general insect infestations.From crowndaisy chrysanthemum, separate crowndaisy chrysanthemum element (Juan Francisco Sanz etc., Liebigs Ann Chem 1990,303-305; F.Bohlmann etc., Chem, Ber.97(1964) 1179), be expected to be used for crop disease and pest resisting and crop, might develop into a class novel pesticide.But from natural crowndaisy chrysanthemum, separate to such an extent that active ingredient can not satisfy the demands, because because content is low, change a lot of labours and could obtain some products, and in sepn process, its active constituent mutability, as by synthetic work, also can further improve its activity, therefore carrying out design study on the synthesis crowndaisy chrysanthemum element and analogue thereof is a very significant job.
For this reason, the present invention seeks to design and synthesize a class Crowndaisy chrysantheins compound.
Crowndaisy chrysantheins compound of the present invention has following chemical formula A or B:
A furans formula crowndaisy chrysantheins like thing B volution formula crowndaisy chrysantheins like thing
In the formula
R be unsaturated alkyl as
; R
1CH=CH; R
2C ≡ C;
Heterocycle as
,
X is H; Electron donating group such as OCH
3, OC
2H
5; Electron-withdrawing group such as NO
2, CN
R
1Be alkyl, preferential C
1-C
5,
R
2Be alkyl; Thiazolinyl; Alkynyl, the preferential C of three
1-C
5;
Heterocycle as
Be separated to a main active ingredient crowndaisy chrysanthemum element in the research of our contained food refusal composition in to crowndaisy chrysanthemum, its formal name used at school is a 1.6-dioxo spiro ring [4,4]-ninth of the ten Heavenly Stems-3-alkene-2-(2,4-hexadiyne justice), wherein the basic configuration of hexadiyne justice can be E type or Z type (formula 1).When separating calibration operation, we also observe the plain compound of crowndaisy chrysanthemum under certain condition, as the balanced reaction (formula 2) that volution-furans can take place in the presence of silica gel.According to the information of this balanced reaction, the present invention has designed a very easy synthetic method, can make the new compound of a class crowndaisy chrysantheins.The synthetic method of Crowndaisy chrysantheins compound of the present invention is suc as formula shown in 3 the reaction formula.Adopt furfural cheap and easy to get (compound 1) to make raw material, press currently known methods (Org.Sny.Coll III, 425) be prepared into furfuracrylic acid (compound 2), 2 usefulness Raney nickel reduce furans propionic acid (compound 3), get furans propyl alcohol (compound 4) with lithium aluminium hydride reduction again, 4 with the butyllithium effect get 5-position lithium compound, again same reaction and in react with unsaturated aldehyde, get final product to such an extent that a class furans formula crowndaisy chrysantheins can cyclisation get volution formula crowndaisy chrysantheins like thing 6 like thing 5,5 usefulness acid treatment.R is a unsaturated alkyl in formula 3 reaction formula, and is identical with R group among Crowndaisy chrysantheins compound chemical formula A of the present invention or the B, when R is CH
3Be the crowndaisy chrysanthemum element during-C ≡ C-C ≡ C-.
The present invention is the new compound that a class has the plain structure of crowndaisy chrysanthemum, by the synthetic method of the present invention's design, utilizes furfural cheap and easy to get to make raw material, can make through easy steps.Because this compounds is the structure of the natural crowndaisy chrysanthemum element of simulation, be expected to have antifeedant activity and other physiological action to insect, be used for crop disease and pest resisting and crop,, therefore be expected the novel pesticide that they will develop into a class Effictive nuisancelless again because of the crowndaisy chrysanthemum element comes from edible vegetable.
For better geographical Jie the present invention, with embodiment it is described below, but does not place restrictions on scope of the present invention.
The preparation of embodiment 1 compound 2
185g furfural and 200g propanedioic acid are dissolved in the 93ml pyridine, and reaction solution is heated to 100 ℃, and continue to keep 2 hours, be chilled to room temperature, add 200ml water dilute reaction solution, the unsaturated acid that generates of enriching ammonia solvent again, elimination solid, filtrate is neutralized to pH4 with 10% dilute hydrochloric acid, refrigerator is placed and is spent the night, and separates out solid, filters, dry compound 2 solid product 238g, the productive rate 89.5% of getting.
The preparation of embodiment 2 compounds 3
Under 0 ℃, 138g compound 2 is dissolved in 11 and contains in the aqueous solution of 42g NaOH, adds 100g Raney nickel, and then add 40g NaOH and 300ml water, and rise to room temperature, continue to stir 2 hours, the TLC tracing display reacts completely, elimination solid, filtrate 500ml 35%(weight %) oxalic acid treatment further adds the 150ml concentrated hydrochloric acid again, the reaction solution ethyl acetate extraction, (10ml * 5), three times (50ml * 3) of organic phase washing, MgSO
4Drying, concentrate 127g compound 3, productive rate 90%, the physical constant of compound 3 is identical with the bibliographical information value.
The preparation of embodiment 3 compounds 4
126g compound 3 adds 500ml and contains 40g LiAlH
4Diethyl ether solution in, adding speed keeps the reaction system slight boiling condition, after reaction half an hour, is as cold as 0 ℃, destroys remaining LiAlH with the oxalic acid solution of 500ml 20%
4, and then add the 300ml concentrated hydrochloric acid, and use extracted with diethyl ether, the ether layer is used 5% NaOH successively, salt water washing, MgSO
4Drying, concentrate compound 4 water white oil 90.2g, productive rate 79.5%, the physical constant of compound 4 is identical with the bibliographical information value.
The preparation of embodiment 4 compounds 5
Under 0 ℃, the 23mmole n-Butyl Lithium is added dropwise in the tetrahydrofuran solution that 15ml contains 10mmole compound 4 and 23mmoll Tetramethyl Ethylene Diamine, rises to room temperature, stir after 2 hours, be chilled to-78 ℃, be added dropwise to the tetrahydrofuran solution that 15ml contains 20mmole corresponding aldehyde (RCHO).Rise to 0 ℃, stirred 2 hours, with 10ml saturated aqueous ammonium chloride stopped reaction.Extracted with diethyl ether (200ml * 3), ether layer is used salt solution 50ml successively, dried over sodium sulfate use in water 50ml washing, except that desolvate crude product, separate to such an extent that pure products compound 5(sees Table 1 through silica gel column chromatography again).
Embodiment 5
1mmole compound 5 is dissolved in the 5ml chloroform, is chilled to 0 ℃, be added dropwise to the about 50 μ l of concentrated hydrochloric acid, stirred 30 minutes, add dry K
2CO
3Solid suction, the elimination solid, filtrate concentrate crude product, get pure products compound (seeing Table 2) with neutral aluminum chloride column chromatography for separation.
Claims (4)
1, a class Garland chrysanthemum extract compounds is characterized in that having following chemical formula A or B, and R is a unsaturated alkyl in the formula,
A furans formula crowndaisy chrysantheins B volution formula crowndaisy chrysantheins
2, must ask 1 a described class crowndaisy chrysanthemum compounds as power, it is characterized in that the R unsaturated alkyl is
; R
1CH=CH; R
2C ≡ C; Heterocycle,
X=H in the formula; Electron donating group; Electron-withdrawing group,
R
1=alkyl,
R
2=alkyl; Thiazolinyl; Alkynyl:
3, a class Garland chrysanthemum extract compounds as claimed in claim 2 is characterized in that heterocycle is
The electron donating group of X representative is OCH
3; OC
2H
5, electron-withdrawing group is NO
2; CN, R
1Alkyl is C
1-C
5, R
2Alkyl, thiazolinyl, the alkynyl three is C
1-C
5
4, the synthetic method of a class Garland chrysanthemum extract compounds as claimed in claim 1, it is characterized in that by adopting furfural to set out as the furfuracrylic acid that raw material makes, with Raney nickel reduce the furans propionic acid, then get the furans propyl alcohol with lithium aluminium hydride reduction, again successively with butyllithium and unsaturated aldehyde RCHO react furans formula Garland chrysanthemum extract compounds, get volution formula Garland chrysanthemum extract compounds with acid treatment again, R is a unsaturated alkyl, identical described in its implication and the claim 1,2 and 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93112444A CN1060165C (en) | 1993-05-24 | 1993-05-24 | Crowndaisy chrysantheins compound |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93112444A CN1060165C (en) | 1993-05-24 | 1993-05-24 | Crowndaisy chrysantheins compound |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1095717A true CN1095717A (en) | 1994-11-30 |
| CN1060165C CN1060165C (en) | 2001-01-03 |
Family
ID=4990057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN93112444A Expired - Fee Related CN1060165C (en) | 1993-05-24 | 1993-05-24 | Crowndaisy chrysantheins compound |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1060165C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1067397C (en) * | 1997-11-04 | 2001-06-20 | 中国科学院上海有机化学研究所 | Crowndaisy chrysanthemum extract compound, preparing method and use thereof |
| CN101851245A (en) * | 2010-06-08 | 2010-10-06 | 华南理工大学 | Garland chrysanthemum extract compounds, and synthesis method and application thereof |
| CN102633756A (en) * | 2012-03-30 | 2012-08-15 | 大连职业技术学院 | Novel method for synthetizing alpha-furylacrylic acid |
-
1993
- 1993-05-24 CN CN93112444A patent/CN1060165C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1067397C (en) * | 1997-11-04 | 2001-06-20 | 中国科学院上海有机化学研究所 | Crowndaisy chrysanthemum extract compound, preparing method and use thereof |
| CN101851245A (en) * | 2010-06-08 | 2010-10-06 | 华南理工大学 | Garland chrysanthemum extract compounds, and synthesis method and application thereof |
| CN101851245B (en) * | 2010-06-08 | 2012-05-30 | 华南理工大学 | Garland chrysanthemum extract compounds, and synthesis method and application thereof |
| CN102633756A (en) * | 2012-03-30 | 2012-08-15 | 大连职业技术学院 | Novel method for synthetizing alpha-furylacrylic acid |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1060165C (en) | 2001-01-03 |
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