CS266112B1 - 2- (4-benzoylphenyl) -2-phenyl - Google Patents
2- (4-benzoylphenyl) -2-phenyl Download PDFInfo
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- CS266112B1 CS266112B1 CS875528A CS552887A CS266112B1 CS 266112 B1 CS266112 B1 CS 266112B1 CS 875528 A CS875528 A CS 875528A CS 552887 A CS552887 A CS 552887A CS 266112 B1 CS266112 B1 CS 266112B1
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- benzoylphenyl
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- phenylpropane
- diphenylpropane
- phenyl
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Abstract
Riešenie sa týká novej zlúčeniny 2-(4- -benzoylfenyl)-2-fenylpropánu. Uvedená zlúčenina sa připraví tak, že 2,2-difenylpropán a benzoylchlorid reagujú v přítomnosti bezvodého chloridu hlinitého v sírouhlíku pri teplote 23 až 26 °C. Zlúčenina má využitie pri príprave polymérov degradujúcich svetlom.The solution relates to a new compound 2-(4-benzoylphenyl)-2-phenylpropane. The compound is prepared by reacting 2,2-diphenylpropane and benzoyl chloride in the presence of anhydrous aluminum chloride in carbon disulfide at a temperature of 23 to 26 °C. The compound is useful in the preparation of photodegradable polymers.
Description
Vynález sa týká 2-(4-benzoylfenyl)-2-fenylpropánu.The invention relates to 2- (4-benzoylphenyl) -2-phenylpropane.
Friedel-Craftsova acylácia aromatických látok je široko študovaná.Friedel-Crafts acylation of aromatics is widely studied.
Je popísaná třeš benzoylácia difenylmetánu a 1,2-difenylpropánu za vzniku mono a disubsti tuovaného produktu φ. A. McCombs, C. S. Menon, J. Higgins, J. Polymer Sci., A-l, 9, 1 261 (1971)7· 2-(4-benzoylfenyl)-2-fenylpropán nie je popísaný v literatúre.Also described is the benzoylation of diphenylmethane and 1,2-diphenylpropane to form the mono and disubstituted product φ. A. McCombs, C. S. Menon, J. Higgins, J. Polymer Sci., A-1, 9, 1261 (1971) 7 2- (4-benzoylphenyl) -2-phenylpropane is not described in the literature.
Podstatou vynálezu je 2-(4-benzoylfenyl)-2-fenylpropán. Spdsob pripravy tejto zlúčeniny spočívá v tom, že 2,2-difenylpropán a benzyolchlorid reagujú v přítomnosti bezvodého chloridu hlinitého v sírouhliku pri teplote 23 až 26 °C.The present invention provides 2- (4-benzoylphenyl) -2-phenylpropane. A process for preparing this compound is characterized in that 2,2-diphenylpropane and benzyol chloride are reacted in the presence of anhydrous aluminum chloride in carbon disulfide at 23 to 26 ° C.
Výhodou uvedeného vynálezu je, že umožňuje připravit jednoducho predmetnú zlúčeninu v 40 %-nom výtažku.An advantage of the present invention is that it makes it possible to prepare the object of interest simply in a 40% yield.
Předmětná látka je medziproduktom pre přípravu monoméru a svetlom degradujúcich polymérov.The present substance is an intermediate for the preparation of monomer and light-degrading polymers.
PřikladExample
K suspenzii bezvodého chloridu hlinitého (48 g; 0,35 mol) v sírouhliku (80 ml) sa prikvap káva roztok 2,2-difenylpropánu (56 g; 0,287 mol) a benzoylchloridu (50 g; 0,35 mol) v sírouhlíku (80 ml) pri 23 až 26 °C. Pri danej teplote sa reakčná zmes mieša ešte 20 minút a vleje do zmesi konc. HC1 a ladu. Organická vrstva sa oddělí, premyje vodou, 10 % NaOH a vodou a zahustí. Destiláciou pri 212 °C a 67 Pa a kryštalizáciou z n-hexánu sa získá 34,8 g (40 %) bielej kryštalickej látky o t. t. 89 až 91 °C.To a suspension of anhydrous aluminum chloride (48 g; 0.35 mol) in carbon disulphide (80 ml) was added dropwise a solution of 2,2-diphenylpropane (56 g; 0.287 mol) and benzoyl chloride (50 g; 0.35 mol) in carbon disulphide ( 80 ml) at 23 to 26 ° C. The reaction mixture was stirred at this temperature for a further 20 minutes and poured into conc. HCl and ice. The organic layer was separated, washed with water, 10% NaOH and water and concentrated. Distillation at 212 ° C and 67 Pa and crystallization from n-hexane gave 34.8 g (40%) of a white crystalline solid, m.p. t. Mp 89-91 ° C.
Pre C22H2()O (300,39) vypočítané: 87,90 % C, 6,71 i H; nájdené: 87,79 % C, 6,76 % H.For C 22 H 2 O (300.39) calculated: 87.90% C, 6.71 i H; found: C, 87.79; H, 6.76.
IR (CC14) : 1 660 (C=0) , 1 600 cm-1 (C-H, aromatické). UV (CHClj) : 265 (log£= 4,35), 335 nm (2,41). 1H NMR: 1,61 (s, 6H, CHj), 6,90 až 7,83 (m, 14H, aromatické).IR (CC1 4): 1660 (C = 0), 1600 cm-1 (CH, aromatic). UV (CHCl 3): 265 (log δ = 4.35), 335 nm (2.41). 1 H NMR: 1.61 (s, 6H, CH 3), 6.90-7.83 (m, 14H, aromatic).
Vynález má použitie v chemickom priemysle pri príprave polymérov vyznačujúcich sa vysokou degradáciou ultrafialovým svetlom.The invention has application in the chemical industry in the preparation of polymers characterized by high degradation by ultraviolet light.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS875528A CS266112B1 (en) | 1987-07-22 | 1987-07-22 | 2- (4-benzoylphenyl) -2-phenyl |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS875528A CS266112B1 (en) | 1987-07-22 | 1987-07-22 | 2- (4-benzoylphenyl) -2-phenyl |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CS552887A1 CS552887A1 (en) | 1989-03-14 |
| CS266112B1 true CS266112B1 (en) | 1989-11-14 |
Family
ID=5400345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS875528A CS266112B1 (en) | 1987-07-22 | 1987-07-22 | 2- (4-benzoylphenyl) -2-phenyl |
Country Status (1)
| Country | Link |
|---|---|
| CS (1) | CS266112B1 (en) |
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1987
- 1987-07-22 CS CS875528A patent/CS266112B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CS552887A1 (en) | 1989-03-14 |
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