CS276056B6 - 4-benzoyl-4'-propenoylbenzofenón - Google Patents
4-benzoyl-4'-propenoylbenzofenón Download PDFInfo
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- CS276056B6 CS276056B6 CS902357A CS235790A CS276056B6 CS 276056 B6 CS276056 B6 CS 276056B6 CS 902357 A CS902357 A CS 902357A CS 235790 A CS235790 A CS 235790A CS 276056 B6 CS276056 B6 CS 276056B6
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- benzoyl
- compound
- propenoylbenzofenón
- propenoylbenzophenone
- chloropropanoyl
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
RleSenie ea týká novej zlúčeniny 4-benzoyl- -4'-propenoylbenzofenónu. Uvedené zlúčenine sa připraví tak, že na 4-benzoyl-4'-(3-chlórpropanoyl)benzofenón aa pčeobl oetanon draselný* v acetonitrile. Zlúčenine Je nonoaéroa k priprave polymérov degradujúclch svetlom.The invention relates to a new compound of 4-benzoyl-4'-propenoylbenzophenone. The compound is prepared by reacting 4-benzoyl-4'-(3-chloropropanoyl)benzophenone with potassium ethanoate in acetonitrile. The compound is useful for the preparation of photodegradable polymers.
Description
(57) Anotace :(57)
RieSenie ee týká novej zlúčeniny 4-benzoyl-4'-propenoylbenzofenónu. Uvedené zlúčenina sa připraví tak, že na 4-benzoyl-4'-(3-chlórpropanoyl)benzofenón ea póeobl oetanon draselným v acetonitrile. Zlúčenina Je nonoméroa k príprave polymérov degradujúdch evetlon.The solution ee relates to a novel 4-benzoyl-4'-propenoylbenzophenone compound. The title compound is prepared by substituting for 4-benzoyl-4 '- (3-chloropropanoyl) benzophenone and potassium pyethanone in acetonitrile. The compound is nonomer for the preparation of evetlon degrading polymers.
6½.6½.
CS 276056 ΒβCS 276056 Ββ
Vynález ea týká 4-benzoyl-4'-propenoylbenzofenónu.The present invention relates to 4-benzoyl-4'-propenoylbenzophenone.
Aromatická vinylketóny sa pripravujú obecná dehydrochloráciou l-aryl-3-chlór-l-propanónov (P.Hrdlovič, I.Lukáč, Developemente in Polymer Degradation 4, 101,1982, Ed, N. Graasie, Applied Science Publisher9 Ltd.). Rovnaká matóda sa použila i na přípravu 4-benzoyl-4'- propenoylbanzofenónu, ktorý nie Je popísaný v literatúre.Aromatic vinyl ketones are prepared by general dehydrochlorination of 1-aryl-3-chloro-1-propanones (P.Hrdlovic, I. Lukac, Developemente in Polymer Degradation 4, 101, 1982, Ed, N. Graasie, Applied Science Publisher9 Ltd.). The same method was used to prepare 4-benzoyl-4'-propenoylbanzophenone, which is not described in the literature.
Podstatou vynálezu Ja 4-benzoyl-4*-propenoylbenzofenón. Sposob přípravy tejto zlúčeniny spočiva v tom, že na 4-benzoyl-4*-(3-chlórpropanoyl)benzofanón ea poeobl octanom draselným v acetonitrlle.The present invention provides 4-benzoyl-4'-propenoylbenzophenone. A method for the preparation of this compound is to 4-benzoyl-4- (3-chloropropanoyl) benzofanone and to potassium acetate in acetonitrile.
Výhodou uvedeného vynálezu Je, že umožffuje připravit predmetnú zlúčeninu v dobrom výtažku.An advantage of the present invention is that it makes it possible to prepare the subject compound in good yield.
PřikladExample
K 4-benzoyl-4'-(3-chlórpropanoyl)benzofenónu (2,3 g, 0,0061 mólu) rozpuštěnému v acetonitrile (25 ml) aa přidá octan draselný (2,5 g, 0,025 mólu), Zmes aa mieSa pri teplote laboratória. Po 2,5 hodina ea přidá na zlepšenie rozpustnosti chloroform (25 ml). Po celkove S hodinách sa reakčná zmea přefiltruje a filtrát sa zahusti za vákua. KryStalizáciou odparku z acetónu aa zlaka biela krystalická látka (1,1 g, 53 %) o t.t. 160 až 162 °C. Analýza pre C23H16°3 (340·38) vypočítaná: 81,16 % C, 4,74 % H. Nájdené s 80,76 % C, 4,72 % H. IC spektrum (chloroform): 1670 cm”^ (OO). UV spektrum (chloroform): 270 nm (lOg £ 4,57),To 4-benzoyl-4 '- (3-chloropropanoyl) benzophenone (2.3 g, 0.0061 mole) dissolved in acetonitrile (25 mL) and add potassium acetate (2.5 g, 0.025 mole). at room temperature. After 2.5 hours, add chloroform (25 mL) to improve solubility. After a total of 5 hours, the reaction mixture is filtered and the filtrate is concentrated in vacuo. Crystallization of the residue from acetone and a white crystalline solid (1.1 g, 53%) mp 160-162 ° C. Analysis for C 23 H 16 ° 3 ( 340 · 38 ) calculated: 81.16% C, 4.74% H. Found with 80.76% C, 4.72% H. IC spectrum (chloroform): 1670 cm? ^ (OO). UV spectrum (chloroform): 270 nm (10g 4,5 4.57),
333 nm (2,82). XH NMR spektrum (CDClg) Σ’ :6,01 - 6,06 fq, 1H z CH2-), 6,46 - 6,54 (q, 1H z CH2-). 7.11 - 7,23, (q, 1H, -CH-CO), 7,48 - 7,56 (m, 2H, arom. m“ k C-0 na fenyle). 7,61 7,67 (m,lH, arom. p“ k OO na fenyle), 7,82 - 7,96 (a, 8H, arom. na diaubatituovaných jadrách), 8,04 - 8,08 (m, 2H, arom. o“ k OO na fenyle).333 nm (2.82). X H-NMR (CDCl) Σ ": 6.01 to 6.06 FQ, 1H of CH 2 -), 6.46 - 6.54 (q, 1H of CH 2 -). 7.11-7.23, (q, 1H, -CH-CO), 7.48-7.56 (m, 2H, aromatic m-to C-O on phenyl). 7.61 7.67 (m, 1H, arom. P. K OO on phenyl), 7.82-7.96 (a, 8H, arom. On diaubatitated nuclei), 8.04 - 8.08 (m, 2H, aromatic acid to phenyl).
Vynález má využitie v chemickom priemysle pri příprava polymérov vyznačujúclch ea vysokou dagradáciou avetlom.The invention has utility in the chemical industry in the preparation of polymers characterized by high aviation degradation.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS902357A CS276056B6 (en) | 1990-05-15 | 1990-05-15 | 4-benzoyl-4'-propenoylbenzofenón |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS902357A CS276056B6 (en) | 1990-05-15 | 1990-05-15 | 4-benzoyl-4'-propenoylbenzofenón |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CS235790A3 CS235790A3 (en) | 1992-01-15 |
| CS276056B6 true CS276056B6 (en) | 1992-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS902357A CS276056B6 (en) | 1990-05-15 | 1990-05-15 | 4-benzoyl-4'-propenoylbenzofenón |
Country Status (1)
| Country | Link |
|---|---|
| CS (1) | CS276056B6 (en) |
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1990
- 1990-05-15 CS CS902357A patent/CS276056B6/en unknown
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| Publication number | Publication date |
|---|---|
| CS235790A3 (en) | 1992-01-15 |
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