CN1903818A - Preparation method of 2,3-bihydrogen-1-indenone and its derivative - Google Patents
Preparation method of 2,3-bihydrogen-1-indenone and its derivative Download PDFInfo
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- CN1903818A CN1903818A CN 200610019930 CN200610019930A CN1903818A CN 1903818 A CN1903818 A CN 1903818A CN 200610019930 CN200610019930 CN 200610019930 CN 200610019930 A CN200610019930 A CN 200610019930A CN 1903818 A CN1903818 A CN 1903818A
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Abstract
The present invention relates to a method for preparing indanone and its derivative by using 3-aryl propionic acid through heteropolyacid catalytic cyclodehydration process. It is characterized by that said method includes the following steps: in the presence of catalyst heteropolyacid making 3-aryl propionic acid and aromatic hydrocarbon undergo the process of refluxing dehydration, filtering to remove heteropolyacid, washing with sodium hydroxide solution and purifying organic phase so as to obtain indanone and its derivative. Its conversion rate is 35-86% and its total yield rate is 28-76%.
Description
Technical field
The present invention relates to a kind of by the 3-arylpropionic acid through heteropoly acid catalysis cyclodehydration preparation 2, the method for 3-bihydrogen-1-indenone and derivative thereof belongs to organic compound and prepares chemical field.
Background technology
2,3-bihydrogen-1-indenone and derivative thereof are a kind of very important organic intermediates.They are widely used in medication chemistry, catalysis part, fields such as liquid crystal material.
2, the preparation method of 3-bihydrogen-1-indenone and derivative thereof has a lot.Wherein the simplest, method is through the friedel-crafts reaction cyclisation easily.The friedel-crafts reaction cyclization method mainly divides two classes, and one: by the cyclisation of 3-aryl acyl chlorides.[Chinese patent CN1471504, Chinese patent CN1762957].Two: by the cyclisation of 3-arylpropionic acid.3-aryl acyl chlorides is again by the preparation of 3-arylpropionic acid, certainly will increase production cost like this.And the catalyzer that adopts by the cyclisation of 3-arylpropionic acid normally polyphosphoric acid, phosphorus oxychloride and phosphorus trichloride.[1, Nguy, Nim Ming; Chiu, I.C.; Kohn, Harold.Journal of Organic Chemistry (1987), 52 (9), 1649-55.2, Horwell, David C.; Howson, William; Nolan, William P.; Ratcliffe, Giles S.; Rees, David C.; Willems, Henriette M.G.Tetrahedron (1995), 51 (1), 203-16.] but be to use these to make catalyzer, and complicated operation, reaction will add a large amount of water after finishing, and uses a large amount of solvent extractions.Certainly lead to a large amount of acid waste waters like this.And the product separation bothers very much.They also are serious to the corrosion of equipment in addition.
Summary of the invention
Purpose of the present invention just provides a kind ofly easyly produces 2, the preparation method of 3-bihydrogen-1-indenone and derivative thereof, and this method technology is simple, and preparation cost is low, the recycling easily of unreacted raw material, and environmental pollution is little.
Basis of the present invention is that heteropolyacid has very strong acidity, and can well activate substrate.So heteropolyacid is this cyclization of catalysis well.
Technical scheme provided by the invention is: a kind of 2, the preparation method of 3-bihydrogen-1-indenone and derivative thereof, it is characterized in that: in the presence of the catalyzer heteropolyacid, with the dehydration of 3-arylpropionic acid and aromatic hydrocarbon reflux, the mol ratio of described 3-arylpropionic acid and heteropolyacid is 10: 0.5-5.0 removes by filter heteropolyacid and washs with chloroform, organic phase is washed with sodium hydroxide solution, organic phase is purified again, promptly obtains 2,3-bihydrogen-1-indenone and derivative thereof.
Water after the washing adds hcl acidifying, and ethyl acetate extraction after acidifying obtains unreacted 3-arylpropionic acid by recrystallization.Organic phase is removed and is desolvated, and crude product passes through recrystallization purifying.
Described heteropolyacid is phospho-wolframic acid, phospho-molybdic acid, silicotungstic acid or silicomolybdic acid.
Described 3-arylpropionic acid is: 3-phenylpropionic acid, 3-p-methoxyphenyl propionic acid, 3-p-methylphenyl propionic acid, 3-m-methoxyphenyl propionic acid, 3-rubigan propionic acid, any one in the 3-Chloro-O-Phenyl propionic acid.
Described aromatic hydrocarbon is benzene,toluene,xylene or monochloro-benzene.
Described purifying is a recrystallization purifying.
The present invention prepares 2, and 3-bihydrogen-1-indenone and derivative thereof have that raw material is easy to get, technology is simple, cost is low, and unreacting material is recyclable, pollutes few characteristics.2, the transformation efficiency 35-86% of 3-bihydrogen-1-indenone and derivative thereof, total recovery 28-76%.
Description of drawings
Fig. 1 is a reaction synoptic diagram of the present invention
Embodiment
In order to understand the present invention better, further illustrate content of the present invention below in conjunction with embodiment and Fig. 1, but content of the present invention not only is confined to the following examples.
Embodiment 1:
In a flask, add 3-phenylpropionic acid 3.08g (20mmol), silicotungstic acid 3g (1mmol) and 60ml toluene.Load onto water trap, reflux condensing tube, reflux dehydration.After reaction finishes, remove by filter insoluble solid and, merge organic phase, with the sodium hydroxide 60ml washing of 2N with the chloroform washing.Water is acidified to ph=2 with concentrated hydrochloric acid, uses the 60ml ethyl acetate extraction again, boils off ethyl acetate, gets 3-phenylpropionic acid 0.43g with ethyl alcohol recrystallization.Organic phase boils off solvent.Get pale yellow solid, ethyl alcohol recrystallization gets 2,38-40 ℃ of 3-bihydrogen-1-indenone 2.0g fusing point, transformation efficiency 86%, productive rate 76%.
Embodiment 2:
In a flask, add 3-p-methoxyphenyl propionic acid 3.68g (20mmol), phospho-molybdic acid 14g (5mmol) and 60ml benzene.Load onto water trap, reflux condensing tube, reflux dehydration.After reaction finishes, remove by filter insoluble solid and, merge organic phase, with the sodium hydroxide 60ml washing of 2N with the chloroform washing.Water is acidified to ph=2 with concentrated hydrochloric acid, uses the 60ml ethyl acetate extraction again, boils off ethyl acetate, gets 3-p-methoxyphenyl propionic acid 2.39g with ethyl alcohol recrystallization.Organic phase boils off solvent.Get pale yellow solid, ethyl alcohol recrystallization gets 6-methoxyl group-2,106-108 ℃ of 3-bihydrogen-1-indenone 0.91g fusing point, transformation efficiency 35%, productive rate 28%.
Embodiment 3:
In a flask, add 3-m-methoxyphenyl propionic acid 3.68g (20mmol), silicotungstic acid 14.4g (5mmol) and 60ml toluene.Load onto water trap, reflux condensing tube, reflux dehydration.After reaction finishes, remove by filter insoluble solid and, merge organic phase, with the sodium hydroxide 60ml washing of 2N with the chloroform washing.Water is acidified to ph=2 with concentrated hydrochloric acid, uses the 60ml ethyl acetate extraction again, boils off ethyl acetate, gets 3-m-methoxyphenyl propionic acid 1.0g with ethyl alcohol recrystallization.Organic phase boils off solvent.Get pale yellow solid, ethyl alcohol recrystallization gets 6-methoxyl group-2,108-110 ℃ of 3-bihydrogen-1-indenone 2.2g fusing point, transformation efficiency 73%, productive rate 67%.
Embodiment 4:
In a flask, add 3-p-methylphenyl propionic acid 3.36g, (20mmol), phospho-molybdic acid 28g (10mmol) and 60ml dimethylbenzene.Load onto water trap, reflux condensing tube, reflux dehydration.After reaction finishes, remove by filter insoluble solid and, merge organic phase, with the sodium hydroxide 60ml washing of 2N with the chloroform washing.Water is acidified to ph=2 with concentrated hydrochloric acid, uses the 60ml ethyl acetate extraction again, boils off ethyl acetate, gets 3-p-methylphenyl propionic acid 1.44g with ethyl alcohol recrystallization.Organic phase boils off solvent.Get pale yellow solid, ethyl alcohol recrystallization gets 6-methoxyl group-2,64-66 ℃ of 3-bihydrogen-1-indenone 1.34g fusing point, transformation efficiency 57%, productive rate 46%.
Embodiment 5:
In a flask, add 3-rubigan propionic acid 3.78g, (20mmol), phospho-wolframic acid 14.4g (5mmol) and 60ml toluene.Load onto water trap, reflux condensing tube, reflux dehydration.After reaction finishes, remove by filter insoluble solid and, merge organic phase, with the sodium hydroxide 60ml washing of 2N with the chloroform washing.Water is acidified to ph=2 with concentrated hydrochloric acid, uses the 60ml ethyl acetate extraction again, boils off ethyl acetate, gets 3-rubigan propionic acid 0.8g with ethyl alcohol recrystallization.Organic phase boils off solvent.Get pale yellow solid, ethyl alcohol recrystallization gets 6-methoxyl group-2,90-92 ℃ of 3-bihydrogen-1-indenone 2.37g fusing point, transformation efficiency 79%, productive rate 71%.
Embodiment 6:
In a flask, add 3-Chloro-O-Phenyl propionic acid 3.78g, (20mmol), silicotungstic acid 14g (5mmol) and 60ml monochloro-benzene.Load onto water trap, reflux condensing tube, reflux dehydration.After reaction finishes, remove by filter insoluble solid and, merge organic phase, with the sodium hydroxide 60ml washing of 2N with the chloroform washing.Water is acidified to ph=2 with concentrated hydrochloric acid, uses the 60ml ethyl acetate extraction again, boils off ethyl acetate, gets 3-Chloro-O-Phenyl propionic acid 1.32g with ethyl alcohol recrystallization.Organic phase boils off solvent.Get pale yellow solid, ethyl alcohol recrystallization gets 6-methoxyl group-2,93-95 ℃ of 3-bihydrogen-1-indenone 1.93g fusing point, transformation efficiency 65%, productive rate 58%.
The bound value and the interval value of the mol ratio of 3-arylpropionic acid of the present invention and heteropolyacid can both be realized the present invention; When being silicomolybdic acid, described heteropolyacid also can realize the present invention; Just do not enumerate embodiment one by one at this.
Claims (7)
1. one kind 2, the preparation method of 3-bihydrogen-1-indenone and derivative thereof, it is characterized in that: in the presence of the catalyzer heteropolyacid, with 3-arylpropionic acid and aromatic hydrocarbon reflux dewatering, remove by filter heteropolyacid and with chloroform washing, organic phase is washed with sodium hydroxide solution, organic phase is purified again, promptly obtain 2,3-bihydrogen-1-indenone and derivative thereof.
2. according to claim 1 a kind of 2, the preparation method of 3-bihydrogen-1-indenone and derivative thereof is characterized in that: the water after the washing adds hcl acidifying, and ethyl acetate extraction after acidifying obtains unreacted 3-arylpropionic acid by recrystallization.
3. according to claim 1 a kind of 2, the preparation method of 3-bihydrogen-1-indenone and derivative thereof is characterized in that: heteropolyacid is phospho-wolframic acid, phospho-molybdic acid, silicotungstic acid or silicomolybdic acid.
4. according to claim 1 a kind of 2, the preparation method of 3-bihydrogen-1-indenone and derivative thereof, it is characterized in that: the 3-arylpropionic acid is: the 3-phenylpropionic acid, 3-p-methoxyphenyl propionic acid, 3-p-methylphenyl propionic acid, 3-m-methoxyphenyl propionic acid, 3-rubigan propionic acid, any one in the 3-Chloro-O-Phenyl propionic acid.
5. according to claim 1 a kind of 2, the preparation method of 3-bihydrogen-1-indenone and derivative thereof is characterized in that: the mol ratio of 3-arylpropionic acid and heteropolyacid is 10: 0.5-5.0.
6. according to claim 1 a kind of 2, the preparation method of 3-bihydrogen-1-indenone and derivative thereof is characterized in that: aromatic hydrocarbon is benzene,toluene,xylene or monochloro-benzene.
7. according to claim 1 a kind of 2, the preparation method of 3-bihydrogen-1-indenone and derivative thereof is characterized in that: described purifying is a recrystallization purifying.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105230456A (en) * | 2015-10-10 | 2016-01-13 | 华中农业大学 | 2-(4-methoxyphenyl) propionic acid and application of salt compound thereof same in growth of rootless sprouts |
| CN109678685A (en) * | 2018-07-04 | 2019-04-26 | 中南民族大学 | A kind of preparation method of 1- indone and its derivative |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7115782B2 (en) * | 2002-06-03 | 2006-10-03 | Showa Denko K.K. | Process for producing aromatic compounds by Friedel-Crafts reaction |
| JP4326265B2 (en) * | 2003-03-20 | 2009-09-02 | 昭和電工株式会社 | Solid acid catalyst |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105230456A (en) * | 2015-10-10 | 2016-01-13 | 华中农业大学 | 2-(4-methoxyphenyl) propionic acid and application of salt compound thereof same in growth of rootless sprouts |
| CN105230456B (en) * | 2015-10-10 | 2018-06-22 | 华中农业大学 | The application of 2- (4- methoxyphenoxies) propionic acid and its relevant salt compounds in the growth of unrooted shoot vegetable |
| CN109678685A (en) * | 2018-07-04 | 2019-04-26 | 中南民族大学 | A kind of preparation method of 1- indone and its derivative |
| CN109678685B (en) * | 2018-07-04 | 2021-11-05 | 中南民族大学 | Preparation method of 1-indanone and derivatives thereof |
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