Summary of the invention
Technical problem to be solved by this invention provides a kind of 2; 6-two (aromatic base)-anthraquinone and preparation method thereof; This compound has photochemical stability, thermostability and solvability preferably; It also has up-conversion lasing and fluorescence phenomenon simultaneously, thereby can satisfy many-sided application requiring such as light up-conversion and non-linear absorption material.
Technical solution of the present invention is following:
A kind of 2; 6-two (aromatic base)-anthraquinone and preparation method thereof is that electron donor(ED) or electron acceptor(EA) group are connected the anthraquinone ring both sides at 2,6; With 2; He Ke (Heck Reaction) reaction generation takes place in 6-dibromo-anthraquinone analog derivative and the substituted radical that contains vinyl under alkaline condition under the katalysis of palladium and three-O-methoxyl group phosphorus, its general formula of molecular structure is following:
Wherein: R is the substituted radical of vinyl, comprises electronic donor group or electron acceptor(EA) group.
Described electronic donor group is: 4-amino-benzene vinyl, 4-methoxyl-styrene, 4-phenetole vinyl, 4-fluorophenethyl thiazolinyl, 4-chloro-styrene base, 4-bromstyrol base, 4-methyl styryl, N-vinyl pyrrolidone, N-VCz; 1-vinyl-4; 6-two (ethylamino)-1; 3,5-triazine or 4-acetoxy-styrene base.The corresponding structure formula is following:
Described electron acceptor(EA) group comprises: 2-vinyl pyridine, 4-vinylpridine, 1-(4-vinylphenol)-1H-pyrroles-2; 5-diketone, 1-nitro-4-vinyl benzene, (4-styryl) diethyl phosphonate, 4-vinyl benzoic acid or 2-vinyl isoindoline-1, the 3-diketone.The corresponding structure formula is following:
The present invention 2, and the preparation method of 6-two (aromatic base)-anthraquinone, its characteristics are that this method is with described 2, and the substituted radical of 6-two bromo-anthraquinones and vinyl is through He Ke (Heck reaction) prepared in reaction 2,6-two (aromatic base)-anthraquinone, and its reaction formula is:
Concrete preparation process is following:
With 2 of 50~65mol%, 6-two bromo-anthraquinones, the aromatic base vinylbenzene of 20~30mol%, the palladium of 2~10mol%; Three-O-tolyl phosphorus of 2~10mol% under nitrogen protective atmosphere foxing spare, joins in the triethylamine solvent, stirs 24~72 hours at 60~120 ℃; Be cooled to room temperature, underpressure distillation, separating, washing; Dry concentrating obtains title product 2,6-two (aromatic base)-anthraquinone with the chromatography column separation.
In the final compound, the modification purpose of R group is the ability that increases the conjugate system transfer transport of whole molecule, and plays the effect of regulating absorbing wavelength and the solvability that increases compound.
Technique effect of the present invention is following:
The present invention 2, and 6-two (aromatic base)-anthraquinone modifies through chemical means 2,6 to macromole conjugation parent anthraquinone, increases its molecular conjugation plane.Simultaneously because the monomeric solvability of anthraquinone is relatively poor; Need could dissolve in the alcoholic solvent preferably in polarity, but through 2 of the inventive method preparation, 6-two (aromatic base)-anthraquinone; Improved the solvability of anthraquinone derivatives effectively; The solubility property of (like normal hexane, chloroform, THF, methylene dichloride, trichloromethane etc.) is all better in common common solvent, is convenient to be applied to the thin-film technique preparation.
Experiment also shows: the anthraquinone analog compound of the present invention's preparation also has optical stability and thermostability preferably; Under common illumination condition, be difficult for taking place photolysis; In the solid state powder of normal temperature, be difficult for taking place oxidation and decomposition simultaneously; Shelf time is long, has widened the applied technical field of anthraquinone derivative, can be widely used in fields such as information storage, optics and ultra tiny laser processing.
Embodiment
Below in conjunction with specific embodiment the present invention is described further, but they are not to qualification of the present invention.
Embodiment 1:
2, the preparation of 6-two (4-methoxyl-styrene)-anthraquinone comprises the following steps:
With 2,6-two bromo-anthraquinones (15 gram), 4-methoxy styrene (8.6 gram), palladium (0.9 gram), three-O-tolyl phosphorus (0.7 gram) under nitrogen protective atmosphere foxing spare, joins in the triethylamine solvent, 75 ℃ of stirring heating 48 hours.Reaction finishes postcooling to room temperature, underpressure distillation, separating, washing, dry concentrating.Obtain title product 2 with the chromatography column separation, 6-two (4-methoxyl-styrene)-anthraquinone, 11.8 grams, productive rate 73%.
Embodiment 2:
2,6-two (4-amino-benzene vinyl)-anthraquinone synthetic
With 2,6-two bromo-anthraquinones (15 gram), 4-amino-benzene ethene (9.2 gram), palladium (1.2 gram), three-O-tolyl phosphorus (0.7 gram) under nitrogen protective atmosphere foxing spare, joins in the triethylamine, 90 ℃ of stirring heating 48 hours.Reaction finishes postcooling to room temperature, underpressure distillation, separating, washing, dry concentrating.Obtain title product 2 with the chromatography column separation, 6-two (4-amino-benzene vinyl)-anthraquinone, 13.3 grams, productive rate 76%.
Embodiment 3:
2,6-two (4-chloro-styrene base)-anthraquinone synthetic
With 2,6-two bromo-anthraquinones (15 gram), 4-chloro-styrene (9.4 gram), palladium (1 gram), three-O-tolyl phosphorus (0.7 gram) under nitrogen protective atmosphere foxing spare, joins in the triethylamine, 90 ℃ of stirring heating 24 hours.Reaction finishes postcooling to room temperature, underpressure distillation, separating, washing, dry concentrating.Obtain title product 2 with the chromatography column separation, 6-two (4-chloro-styrene base)-anthraquinone, 9.4 grams, productive rate 65%.
Embodiment 4:
2,6-two (4-vinylpridine)-anthraquinone synthetic
With 2,6-two bromo-anthraquinones (15 gram), 4-vinylpridine (7.3 gram), palladium (1.6 gram), three-O-tolyl phosphorus (0.7 gram) under nitrogen protective atmosphere foxing spare, joins in the triethylamine, 95 ℃ of stirring heating 48 hours.Reaction finishes postcooling to room temperature, underpressure distillation, separating, washing, dry concentrating.Obtain title product 2 with the chromatography column separation, 6-two (4-vinylpridine)-anthraquinone, 14.9 grams, productive rate 82%.
Embodiment 5:
2,6-two (2-vinyl pyridine)-anthraquinone synthetic
With 2,6-two bromo-anthraquinones (15 gram), 2-vinyl pyridine (7.3 gram), palladium (1.7 gram), three-O-tolyl phosphorus (0.9 gram) under nitrogen protective atmosphere foxing spare, joins in the triethylamine, 85 ℃ of stirring heating 48 hours.Reaction finishes postcooling to room temperature, underpressure distillation, separating, washing, dry concentrating.Obtain title product 2 with the chromatography column separation, 6-two (2-vinyl pyridine)-anthraquinone, 13.5 grams, productive rate 74%.
Embodiment 6:
2,6-two (4-bromstyrol base)-anthraquinone synthetic
With 2,6-two bromo-anthraquinones (15 gram), 4-bromstyrol (13.1 gram), palladium (1.5 gram), three-O-tolyl phosphorus (0.8 gram) under nitrogen protective atmosphere foxing spare, joins in the triethylamine, 100 ℃ of stirring heating 48 hours.Reaction finishes postcooling to room temperature, underpressure distillation, separating, washing, dry concentrating.Obtain title product 2 with the chromatography column separation, 6-two (4-bromstyrol base)-anthraquinone, 16.3 grams, productive rate 62%.
Embodiment 7:
2,6-two (N-vinyl carbazole base)-anthraquinone synthetic
With 2,6-two bromo-anthraquinones (15 gram), N-VCz (24.2 gram), palladium (1.3 gram), three-O-tolyl phosphorus (0.8 gram) under nitrogen protective atmosphere foxing spare, joins in the triethylamine, 80 ℃ of stirring heating 36 hours.Reaction finishes postcooling to room temperature, underpressure distillation, separating, washing, dry concentrating.Obtain title product 2 with the chromatography column separation, 6-two (N-vinyl carbazole base)-anthraquinone, 12.7 grams, productive rate 53%.
Embodiment 8:
2,6-two (4-acetoxy-styrene base)-anthraquinone synthetic
With 2,6-two bromo-anthraquinones (15 gram), 4-acetoxy-styrene (26.8 gram), palladium (1.3 gram), three-O-tolyl phosphorus (0.9 gram) under nitrogen protective atmosphere foxing spare, joins in the triethylamine, 85 ℃ of stirring heating 40 hours.Reaction finishes postcooling to room temperature, underpressure distillation, separating, washing, dry concentrating.Obtain title product 2 with the chromatography column separation, 6-two (N-vinyl carbazole base)-anthraquinone, 14.6 grams, productive rate 72%.
Embodiment 9:
2,6-two (4-vinyl benzoic acid)-anthraquinone synthetic
With 2,6-two bromo-anthraquinones (15 gram), 4-vinyl benzoic acid (26.5 gram), palladium (1.3 gram), three-O-tolyl phosphorus (0.7 gram) under nitrogen protective atmosphere foxing spare, joins in the triethylamine, 90 ℃ of stirring heating 30 hours.Reaction finishes postcooling to room temperature, underpressure distillation, separating, washing, dry concentrating.Obtain title product 2 with the chromatography column separation, 6-two (4-vinyl benzoic acid)-anthraquinone, 13.7 grams, productive rate 63%.
Embodiment 10:
2,6-two (4-phenetole vinyl)-anthraquinone synthetic
With 2,6-two bromo-anthraquinones (15 gram), 4-phenetole ethene (19.4 gram), palladium (1.3 gram), three-O-tolyl phosphorus (0.8 gram) under nitrogen protective atmosphere foxing spare, joins in the triethylamine, 800 ℃ of stirring heating 36 hours.Reaction finishes postcooling to room temperature, underpressure distillation, separating, washing, dry concentrating.Obtain title product 2 with the chromatography column separation, 6-two (N-vinyl carbazole base)-anthraquinone, 14.7 grams, productive rate 83%.
Although the present invention has been done detailed explanation and has quoted some specific embodiments as proof, to those skilled in the art, only otherwise leave that the spirit and scope of the present invention can be done various variations and correction is obvious.