WO2018051877A1 - ベンズイミダゾロンジオキサジン化合物 - Google Patents
ベンズイミダゾロンジオキサジン化合物 Download PDFInfo
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- WO2018051877A1 WO2018051877A1 PCT/JP2017/032234 JP2017032234W WO2018051877A1 WO 2018051877 A1 WO2018051877 A1 WO 2018051877A1 JP 2017032234 W JP2017032234 W JP 2017032234W WO 2018051877 A1 WO2018051877 A1 WO 2018051877A1
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- 0 *N(c(ccc(N)c1)c1N1*)C1=O Chemical compound *N(c(ccc(N)c1)c1N1*)C1=O 0.000 description 2
- GSRFBUOAZOZZHR-UHFFFAOYSA-N CCN(c(c(N1)c2)cc(OC3=C(C4=Nc5c6I)Cl)c2N=C3C(Cl)=C4Oc5cc(N2CC)c6NC2=O)C1=O Chemical compound CCN(c(c(N1)c2)cc(OC3=C(C4=Nc5c6I)Cl)c2N=C3C(Cl)=C4Oc5cc(N2CC)c6NC2=O)C1=O GSRFBUOAZOZZHR-UHFFFAOYSA-N 0.000 description 1
- IPBHUVMPRRIPTF-UHFFFAOYSA-N CCN(c(c(N1)c2Br)cc3c2N=C2C(Cl)=C4Oc(c(Br)c(c(N5)c6Br)N(CC)C5=O)c6N=C4C(Cl)=C2O3)C1=O Chemical compound CCN(c(c(N1)c2Br)cc3c2N=C2C(Cl)=C4Oc(c(Br)c(c(N5)c6Br)N(CC)C5=O)c6N=C4C(Cl)=C2O3)C1=O IPBHUVMPRRIPTF-UHFFFAOYSA-N 0.000 description 1
- NNQBFNOGOHFEGP-UHFFFAOYSA-N CN(c(c(N1C)c2)cc(N=C3C(Cl)=C4Oc(c(Br)c(c(N5C)c6Br)N(C)C5=O)c6N=C44)c2OC3=C4Cl)C1=O Chemical compound CN(c(c(N1C)c2)cc(N=C3C(Cl)=C4Oc(c(Br)c(c(N5C)c6Br)N(C)C5=O)c6N=C44)c2OC3=C4Cl)C1=O NNQBFNOGOHFEGP-UHFFFAOYSA-N 0.000 description 1
- OMGCLPMZLNZTER-UHFFFAOYSA-N CN(c(c(N1C)c2Br)cc(N=C3C(Cl)=C4Oc(c(Br)c(c(N5C)c6)N(C)C5=O)c6N=C44)c2OC3=C4Cl)C1=O Chemical compound CN(c(c(N1C)c2Br)cc(N=C3C(Cl)=C4Oc(c(Br)c(c(N5C)c6)N(C)C5=O)c6N=C44)c2OC3=C4Cl)C1=O OMGCLPMZLNZTER-UHFFFAOYSA-N 0.000 description 1
- BHLVCNXNAHHTMD-UHFFFAOYSA-N O=C(Nc1c(c(N=C2C(Br)=C3Oc(c(Br)c(c(N4)c5Br)NC4=O)c5N=C33)c4OC2=C3Br)Br)Nc1c4Br Chemical compound O=C(Nc1c(c(N=C2C(Br)=C3Oc(c(Br)c(c(N4)c5Br)NC4=O)c5N=C33)c4OC2=C3Br)Br)Nc1c4Br BHLVCNXNAHHTMD-UHFFFAOYSA-N 0.000 description 1
- DMVLNRMMCBSHCB-UHFFFAOYSA-N O=C(Nc1cc(N=C2C(Br)=C3Oc(cc(c(N4)c5Br)NC4=O)c5N=C33)c4OC2=C3Br)Nc1c4Br Chemical compound O=C(Nc1cc(N=C2C(Br)=C3Oc(cc(c(N4)c5Br)NC4=O)c5N=C33)c4OC2=C3Br)Nc1c4Br DMVLNRMMCBSHCB-UHFFFAOYSA-N 0.000 description 1
- BIWQODUYANOHRG-UHFFFAOYSA-N O=C(Nc1cc2c3N=C4C(Cl)=C5Oc(cc(c(N6)c7Br)NC6=O)c7N=C5C(Cl)=C4O2)Nc1c3Br Chemical compound O=C(Nc1cc2c3N=C4C(Cl)=C5Oc(cc(c(N6)c7Br)NC6=O)c7N=C5C(Cl)=C4O2)Nc1c3Br BIWQODUYANOHRG-UHFFFAOYSA-N 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D498/00—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D498/22—Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen and oxygen atoms as the only ring hetero atoms in which the condensed system contains four or more hetero rings
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B19/00—Oxazine dyes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B19/00—Oxazine dyes
- C09B19/02—Bisoxazines prepared from aminoquinones
Definitions
- the present invention relates to a novel benzimidazolone dioxazine compound.
- Patent Document 1 discloses a benzimidazolone dioxazine compound having a certain structure. However, Patent Document 1 does not disclose a benzimidazolone dioxazine compound of the present invention represented by the following formula (I).
- benzimidazolone dioxazine compounds have been used in various applications such as light-shielding compositions for color filters, coloring compositions for inkjets, paints, printing inks, colored plastics, and toners.
- black ink is required not to transmit light in the visible light wavelength range (380 nm to 780 nm) uniformly.
- a combination of a plurality of colorants such as a yellow pigment, an orange pigment, a brown pigment, a red pigment, a purple pigment, and a blue pigment or a green pigment.
- blue pigments such as benzimidazolone dioxazine compounds, phthalocyanine compounds, and indanthrene compounds are mainly used for absorption in the long wavelength region (550 nm to 780 nm).
- benzimidazolone dioxazine has a peak of the main light absorption band in the vicinity of 550 nm, so that it may not be sufficient in terms of small absorption in the long wavelength region (550 nm to 780 nm).
- the peak of the light absorption band of phthalocyanine compounds and indanthrene compounds is in the range of 550 nm to 780 nm, there is also a problem that absorption is small, and the creation of blue pigments having stronger absorption in the long wavelength range is desired. Has been.
- X 1 , X 2 , X 3 , X 4 , X 5 and X 6 each independently represent a hydrogen atom or a halogen atom; one or more of X 3 , X 4 , X 5 and X 6 Is a halogen atom; R 1 , R 2 , R 3 and R 4 each independently represent a hydrogen atom or a monovalent hydrocarbon group which may have a substituent (hereinafter referred to as “the compound of the present invention”). May be indicated).
- the compound of the present invention is a compound having a benzimidazolone dioxazine structure, but C.I. I. It has a particularly remarkable effect of having absorption in a longer wavelength range than Pigment Blue 80. This is presumably because of the long wavelength shift of the light absorption band due to the substitution of the hydrogen atom of the benzene ring in the benzimidazolone dioxazine structure with a halogen atom.
- halogen atoms examples include fluorine, chlorine, bromine and iodine atoms. Among them, a chlorine atom or a bromine atom is preferable, and chlorine Atoms are more preferred.
- halogen atom examples include fluorine, chlorine, bromine or iodine atoms.
- a chlorine atom, a bromine atom or an iodine atom is preferable from the viewpoint of increasing the peak wavelength.
- “monovalent hydrocarbon group” of “monovalent hydrocarbon group optionally having substituent (s)” is methyl group, ethyl group, propyl group, butyl group, hexyl group, Examples include a cyclohexyl group, a phenyl group, a naphthyl group, a vinyl group, and an allyl group.
- “substituent” of “monovalent hydrocarbon group optionally having substituent (s)” is, for example, halogen atom, nitro group, cyano group, hydroxy group, carboxy group, sulfo group , Amino groups and the like can be mentioned, but are not limited thereto.
- the halogen atom as a substituent in this paragraph includes each atom of fluorine, chlorine, bromine or iodine.
- R 1 , R 2 , R 3 and R 4 are each independently a hydrogen atom or a monovalent hydrocarbon group having 1 to 2 carbon atoms which may have a substituent. Is preferred.
- Such a compound of the present invention is not particularly limited, and can be produced by appropriately using a conventionally known method.
- a conventionally known method Hereinafter, one embodiment of the production method of the compound of the present invention will be described.
- the present invention is not limited to these.
- the compound of the present invention can be produced, for example, by synthesizing a compound of the formula (V) described later by the method described in JP-A No. 11-335575 and halogenating it by a halogenation reaction described later. Details are given below.
- a base such as sodium acetate, sodium hydrogen carbonate, triethylamine and the like
- the mixture is stirred under reflux for 1 to 10 hours, then the solid product is filtered off while hot and washed with a solvent such as ethanol, dimethylacetamide, etc. at 60 ° C. to 100 ° C. and then with boiling water. .
- the product is suspended in a solvent such as dimethylformamide, dimethylacetamide, and the suspension is heated at 80 ° C. to 150 ° C. for 1 hour to 10 hours and filtered while hot. It is washed with a solvent such as ethanol and dimethylacetamide at 100 ° C., then with boiling water and dried at 90 ° C. to 120 ° C.
- X 1 and X 2 each independently represent a hydrogen atom or a halogen atom
- X 7 and X 8 each independently represent a leaving group such as a halogen atom or an alkoxy group.
- R 1 and R 2 each independently represent a hydrogen atom or a monovalent hydrocarbon group which may have a substituent.
- R 3 and R 4 each independently represent a hydrogen atom or a monovalent hydrocarbon group which may have a substituent.
- X 1 and X 2 each independently represent a hydrogen atom or a halogen atom; R 1 , R 2 , R 3 and R 4 each independently have a hydrogen atom or a substituent. A good monovalent hydrocarbon group.
- ⁇ Halogen addition reaction 1 to 32 moles of a halogenating reagent such as bromine, N-bromosuccinimide, trichloroisocyanuric acid, N-iodosuccinimide and the like are added to concentrated sulfuric acid having a temperature of 10 ° C. or less, and then the above formula (V 1 mol of the compound represented by) is added and stirred at room temperature for 2 to 48 hours. This is then poured onto ice and the resulting precipitate is filtered, washed with water until no acid is detected, then washed with ethanol, dried at 90 ° C. to 120 ° C., and the benzene ring is 1 to 6 halogen atoms.
- a halogenating reagent such as bromine, N-bromosuccinimide, trichloroisocyanuric acid, N-iodosuccinimide and the like are added to concentrated sulfuric acid having a temperature of 10 ° C. or less, and
- the obtained mixture is separated by silica gel column chromatography, each solution having a single compound is concentrated, and a solvent such as N, N-dimethylacetamide and an acid such as toluene-4-sulfonic acid monohydrate are concentrated. And stirred at 100 ° C. to 200 ° C. for 2 to 24 hours to obtain a precipitate. The precipitate is filtered, washed with a solvent such as N, N-dimethylacetamide, and dried at 90 ° C. to 120 ° C. to obtain the compound of the present invention.
- the compound of the present invention may be used alone or in combination of two or more compounds having different substituents.
- a compound obtained by synthesizing two or more types of compounds at the synthesis stage may be used, or the synthesized compounds may be mixed separately, and the mixing method is particularly limited. It is not something.
- the compound of the present invention is considered applicable to various uses.
- it can be used as a colorant for a wide range of uses such as printing ink, paint, colored plastic, toner, inkjet ink, light-shielding member for display, and seed coloring.
- the compound of the present invention exhibits properties as an organic pigment and may be used more suitably by subjecting the pigment particles to a finer size, such as by salt milling. Such processing may be performed by a known and conventional method.
- the present compound may be used in combination with a coloring material such as an organic pigment, an organic dye, or an organic pigment derivative other than the present compound for the purpose of toning.
- a coloring material such as an organic pigment, an organic dye, or an organic pigment derivative other than the present compound for the purpose of toning.
- Black ink is required not to transmit light in the visible light wavelength range (380 nm to 780 nm) uniformly, and currently it is generally used in combination with multiple color materials such as yellow pigment, red pigment and blue pigment. It is.
- the compound of the present invention can be suitably used as a blue pigment in black ink. This is because the compound of the present invention has an excellent light-shielding property as an organic pigment due to a high coloring power based on absorption in a characteristic visible light wavelength region.
- the compound of the present invention when used as a blue pigment in black ink, it may be used alone or in combination of two or more compounds having different substituents as described above.
- a compound obtained by synthesizing two or more types of compounds at the synthesis stage may be used, or the synthesized compounds may be mixed separately, and the mixing method is particularly limited. It is not something.
- a maximum of 4 hydrogen atoms of the benzene ring in the benzimidazolonedioxazine structure can be substituted by halogen, and the number of halogen substitution is 2 or more. It is more preferable to use one, and even more preferable to use a 4-substituted one.
- a benzimidazolone dioxazine pigment, a phthalocyanine pigment, an indanthrene pigment or the like other than the compound of the present invention can be used in combination. These may be used alone, or two or more of them may be appropriately selected and used in combination.
- azo pigments condensed azo pigments, azomethine pigments, phthalocyanine pigments, quinacridone pigments, isoindolinone pigments, isoindoline pigments, carbazole dioxazine pigments.
- Organic pigments represented by selenium pigments, perylene pigments, perinone pigments, quinophthalone pigments, diketopyrrolopyrrole pigments, thioindigo pigments and the like are preferable.
- Examples of yellow, orange, brown, red, purple, blue and green organic pigments include, for example, Pigment Yellow 1, 1: 1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 14, 16, 17, 24, 31, 32, 34, 35, 35: 1, 36, 36: 1, 37, 37: 1, 40, 41, 42, 43, 48, 53, 55, 61, 62, 62: 1, 63, 65, 73, 74, 75, 81, 83, 87, 93, 94, 95, 97, 100, 101, 104, 105, 108, 109, 110, 111, 116, 117, 119, 120, 126, 127, 127: 1, 128, 129, 130, 133, 134, 136, 138, 139, 142, 147, 148, 150, 151, 153, 154, 155, 157, 158, 159, 160, 161, 62,163,164,165,166,167,168,169,170,172,173,174,175,176,180,181,
- the obtained product C was separated by silica gel column chromatography (developing solvent: chloroform / methanol / dimethyl sulfoxide), and each of the solutions having nine single compounds obtained by concentration was concentrated to give N, N-dimethylacetamide 500. And 50 parts of toluene-4-sulfonic acid monohydrate were added and stirred at 130 ° C. for 4 hours to obtain a precipitate. The precipitate was filtered, washed with 200 parts of N, N-dimethylacetamide and 800 parts of methanol, and dried at 90 ° C. to obtain compounds 1 to 9.
- Example 1 0.4 parts of the compound 1 obtained in Synthesis Example 1, 0.5 parts of PB-821 (product name) which is a resin dispersant manufactured by Ajinomoto Fine Techno Co., and 7.4 parts of propylene glycol monomethyl ether acetate After mixing, 0.2 to 0.3 mm ⁇ zirconia beads were added and dispersed with a paint conditioner for 2 hours to obtain a colored composition. To 0.1 part of the obtained colored composition, 99.9 parts of propylene glycol monomethyl ether acetate was added to prepare an evaluation composition (N-1).
- Example 2 An evaluation composition (N-2) was prepared in the same manner as in Example 1 except that compound 2 was used instead of compound 1.
- Example 3 An evaluation composition (N-3) was prepared in the same manner as in Example 1 except that compound 3 was used instead of compound 1.
- Example 4 An evaluation composition (N-4) was prepared in the same manner as in Example 1 except that compound 4 was used instead of compound 1.
- Example 5 An evaluation composition (N-5) was prepared in the same manner as in Example 1 except that compound 5 was used in place of compound 1.
- Example 6 An evaluation composition (N-6) was prepared in the same manner as in Example 1 except that compound 6 was used in place of compound 1.
- Example 7 An evaluation composition (N-7) was prepared in the same manner as in Example 1 except that compound 7 was used in place of compound 1.
- Example 8 An evaluation composition (N-8) was prepared in the same manner as in Example 1 except that compound 8 was used instead of compound 1.
- Example 9 An evaluation composition (N-9) was prepared in the same manner as in Example 1 except that Compound 9 was used instead of Compound 1.
- Example 10 instead of 0.4 part of Compound 1 used in Example 1 above, 0.05 part of Compound 1, 0.05 part of Compound 2, 0.025 part of Compound 3, 0.025 part of Compound 4, 0.025 part of Compound 5
- Example 10 the same procedure as in Example 1 was performed, except that a mixture of 0.025 part of Compound 6, 0.05 part of Compound 7, 0.05 part of Compound 8, 0.05 part of Compound 8 and 0.1 part of Compound 9 was used.
- a composition (N-10) was prepared.
- Example 11 Instead of 0.4 part of Compound 1 used in Example 1 above, 0.02 part of Compound 1, 0.02 part of Compound 2, 0.02 part of Compound 3, 0.02 part of Compound 4, 0.02 part of Compound 5 For the evaluation, the same operation as in Example 1 was performed, except that a mixture of 0.02 part of Compound 6, 0.04 part of Compound 7, 0.04 part of Compound 8 and 0.2 part of Compound 9 was used. A composition (N-11) was prepared.
- Example 12 instead of 0.4 part of Compound 1 used in Example 1, 0.01 part of Compound 1, 0.01 part of Compound 2, 0.01 part of Compound 3, 0.01 part of Compound 4, 0.01 part of Compound 5
- Example 12 the same operation as in Example 1 was performed, except that a mixture of 0.01 part, Compound 6 0.01 part, Compound 7 0.02 part, Compound 8 0.02 part, and Compound 9 0.3 part was used.
- a composition (N-12) was prepared.
- Example 13 Instead of 0.4 part of Compound 1 used in Example 1, 0.1 part of Compound 1, 0.1 part of Compound 2, 0.02 part of Compound 3, 0.02 part of Compound 4, 0.02 part of Compound 5 Parts, compound 6 0.02 parts, compound 7 0.04 parts, compound 8 0.04 parts, and compound 9 0.04 parts were used, and the same operation as in Example 1 was performed for evaluation. A composition (N-13) was prepared.
- Example 14 Instead of 0.4 part of Compound 1 used in Example 1, 0.15 part of Compound 1, 0.15 part of Compound 2, 0.01 part of Compound 3, 0.01 part of Compound 4, 0.01 part of Compound 5 Parts, compound 6 0.01 parts, compound 7 0.02 parts, compound 8 0.02 parts, and compound 9 0.02 parts were used, and the same operation as in Example 1 was performed for evaluation. A composition (N-14) was prepared.
- Example 15 Instead of 0.4 part of Compound 1 used in Example 1 above, 0.04 part of Compound 1, 0.04 part of Compound 2, 0.05 part of Compound 3, 0.05 part of Compound 4, 0.05 of Compound 5 Parts, compound 6 0.05 parts, compound 7 0.04 parts, compound 8 0.04 parts, and compound 9 0.04 parts were used, and the same operation as in Example 1 was performed for evaluation. A composition (N-15) was prepared.
- Example 16 instead of 0.4 part of Compound 1 used in Example 1 above, 0.05 part of Compound 3, 0.05 part of Compound 4, 0.05 part of Compound 5, 0.05 part of Compound 6, 0.1 part of Compound 7
- An evaluation composition (N-16) was prepared in the same manner as in Example 1 except that 0.1 part of the compound and 0.1 part of the compound 8 were used.
- Example 17 In place of 0.4 part of Compound 1 used in Example 1 above, Example 1 was used except that a mixture of 0.1 part of Compound 1, 0.1 part of Compound 2 and 0.2 part of Compound 9 was used. The same operation was performed to prepare an evaluation composition (N-17).
- Example 18 An evaluation composition (N-19) was prepared in the same manner as in Example 1 except that 0.4 part of Product F was used instead of 0.4 part of Compound 1 used in Example 1. Prepared.
- Example 19 The evaluation composition (N-20) was prepared in the same manner as in Example 1 except that 0.4 part of Product I was used instead of 0.4 part of Compound 1 used in Example 1 above. Prepared.
- Example 20 An evaluation composition (N-21) was prepared in the same manner as in Example 1 except that 0.4 part of Product L was used instead of 0.4 part of Compound 1 used in Example 1. Prepared.
- Example 21 An evaluation composition (N-22) was prepared in the same manner as in Example 1 except that 0.4 part of Product P was used instead of 0.4 part of Compound 1 used in Example 1. Prepared.
- Example 22 The evaluation composition (N-23) was prepared in the same manner as in Example 1 except that 0.4 part of Product Q was used instead of 0.4 part of Compound 1 used in Example 1. Prepared.
- Example 1 A composition for evaluation was carried out in the same manner as in Example 1 except that Hostasper Blue R5R VP2548 (CI Pigment Blue 80, Clariant) was used in place of Compound 1 used in Example 1 above. (N-18) was prepared.
- Hostasper Blue R5R VP2548 CI Pigment Blue 80, Clariant
- the compound of the present invention had a light absorption spectrum peak wavelength shifted to the long wavelength side, and showed a blue color with little redness.
- the present compound is a compound having a benzimidazolone dioxazine structure, but C.I. I. Pigment Blue 80 (a compound described in JP-A-7-196663, which is one of the typical blue pigments in this technical field) has an absorption effect in a longer wavelength range (more bluish). Play.
- the compound of the present invention is one in which the hydrogen atom of the benzene ring in the benzimidazolonedioxazine structure is substituted with a halogen atom, and this is presumed to have caused a long wavelength shift of the light absorption band.
- Such a compound of the present invention can be used for various applications as described above.
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Abstract
Description
上記式(I)中、R1、R2、R3及びR4は、それぞれ独立に水素原子又は置換基を有していてもよい炭素数1~2の一価の炭化水素基である場合が好ましい。
酢酸ナトリウム、炭酸水素ナトリウム、トリエチルアミンなどの塩基1モル及び下記式(II)のp-ベンゾキノン化合物2モルをエタノール、ジメチルアセトアミドなどの溶剤中に懸濁し、そしてこの懸濁液を40℃~70℃に加熱する。下記式(III)のアミン化合物1モルを1時間かけて添加し、そしてこの混合物を引き続き還流下で1時間~10時間加熱する。次いで更に酢酸ナトリウム、炭酸水素ナトリウム、トリエチルアミンなどの塩基1モルを添加し、次いで、下記式(IV)のアミン化合物1モルを添加する。この混合物を還流下で1時間~10時間撹拌し、次いで固体生成物を熱いうちに濾別し、そして60℃~100℃のエタノール、ジメチルアセトアミドなどの溶剤で洗浄し、次いで沸騰水で洗浄する。生成物をジメチルホルムアミド、ジメチルアセトアミドなどの溶剤中に懸濁し、この懸濁液を80℃~150℃にて1時間~10時間加熱し、熱いうちに濾過し、この固体生成物を60℃~100℃のエタノール、ジメチルアセトアミドなどの溶剤で洗浄し、次いで沸騰水で洗浄し、90℃~120℃で乾燥させる。
前記縮合反応で得られた生成物を、10℃以下の濃硫酸に1時間かけて添加する。次いで二酸化マンガン2モル~4モルを3時間かけて添加し、この混合物を引き続き室温にて18時間~48時間攪拌する。この混合物を、冷却しながら水を添加することにより硫酸濃度80%に希釈する。過剰の二酸化マンガンを、過酸化水素(30%)を用いて破壊する。この混合物をポリプロピレンフィルターにて濾過し、この固体生成物を硫酸(80%)で洗浄し、次いで硫酸(50%)で洗浄し、引続き水で洗浄する。90℃~120℃で乾燥し、下記式(V)で表される化合物を得る。
臭素、N-ブロモスクシンイミド、トリクロロイソシアヌル酸、N-ヨードスクシンイミドなどのハロゲン化試薬1モル~32モルを温度が10℃以下の濃硫酸に添加し、次いで前記閉環反応で得られた上記式(V)で表される化合物1モルを添加し、室温で2時間~48時間撹拌する。次いでこれを氷に注ぎ、得られた沈殿物を濾過し、酸が検出されなくなるまで水で洗浄し、次いでエタノールで洗浄し、90℃~120℃で乾燥し、ベンゼン環がハロゲン原子で1~4置換された化合物の混合物として得られる。この方法を経て単一化合物として得る場合は、得られた混合物を、N,N-ジメチルホルムアミドなどの溶剤に添加し、次いで4-ジメチルアミノピリジンなどの塩基、ジ-tert-ブチルジカーボネート(「tert」はターシャリーの意味で記載している)などのカーボネート化合物を添加し、室温で2時間~48時間攪拌する。次いでこれを水に注ぎ、クロロホルムなどの溶剤で抽出し、溶剤層を減圧下で濃縮し混合物を得る。得られた混合物を、シリカゲルカラムクロマトグラフィーで分離して得られる単一化合物を有する溶液それぞれを濃縮し、N,N-ジメチルアセトアミドなどの溶剤及びトルエン-4-スルホン酸一水和物などの酸を添加し、100℃~200℃で2時間~24時間攪拌し、沈殿物を得る。沈殿物を濾過し、N,N-ジメチルアセトアミドなどの溶剤で洗浄し、90℃~120℃で乾燥し、本発明化合物を得ることができる。
N-ブロモスクシンイミド 530部を温度が10℃以下の濃硫酸52500部に添加し、次いで特開平11-335575に記載の方法で合成した化合物A(下記構造)350部を添加し、室温で20時間撹拌した。次いでこれを氷525000部に注ぎ、沈殿物を得た。得られた沈殿物を濾過し、酸が検出されなくなるまで水で洗浄し、次いで30000部のエタノールで洗浄し、90℃で乾燥し、生成物B 390部を得た。
・化合物2 1.2部(収率 0.3%)
・化合物3 0.8部(収率 0.2%)
・化合物4 0.6部(収率 0.1%)
・化合物5 0.5部(収率 0.1%)
・化合物6 0.8部(収率 0.2%)
・化合物7 1.3部(収率 0.2%)
・化合物8 1.8部(収率 0.3%)
・化合物9 3.4部(収率 0.6%)
化合物1~9について具体的な構造を下記する。
ジブロモイソシアヌル酸 957部を温度が10℃以下の濃硫酸52500部に添加し、次いで化合物Dとクロラニルを用いて特開平11-335575に記載の方法で合成した化合物E 350部を添加し、室温で20時間撹拌した。次いでこれを氷525000部に注ぎ、沈殿物を得た。得られた沈殿物を濾過し、酸が検出されなくなるまで水で洗浄し、次いで30000部のエタノールで洗浄し、90℃で乾燥し、生成物F 280部を得た。
ジブロモイソシアヌル酸 1060部を温度が10℃以下の濃硫酸52500部に添加し、次いで化合物Gとクロラニルを用いて特開平11-335575に記載の方法で合成した化合物H(下記構造)350部を添加し、室温で20時間撹拌した。次いでこれを氷525000部に注ぎ、沈殿物を得た。得られた沈殿物を濾過し、酸が検出されなくなるまで水で洗浄し、次いで30000部のエタノールで洗浄し、90℃で乾燥し、生成物I 267部を得た。
ジブロモイソシアヌル酸 957部を温度が10℃以下の濃硫酸52500部に添加し、次いで化合物Jとクロラニルを用いて特開平11-335575に記載の方法で合成した化合物K 350部を添加し、室温で20時間撹拌した。次いでこれを氷525000部に注ぎ、沈殿物を得た。得られた沈殿物を濾過し、酸が検出されなくなるまで水で洗浄し、次いで30000部のエタノールで洗浄し、90℃で乾燥し、生成物L 318部を得た。
ジブロモイソシアヌル酸 1019部を温度が10℃以下の濃硫酸52500部に添加し、次いで化合物Mとブロマニルを用いて特開平11-335575に記載の方法で合成した化合物N 350部を添加し、室温で20時間撹拌した。次いでこれを氷525000部に注ぎ、沈殿物を得た。得られた沈殿物を濾過し、酸が検出されなくなるまで水で洗浄し、次いで30000部のエタノールで洗浄し、90℃で乾燥し、生成物P 378部を得た。
N-ヨードスクシンイミド 1338部を温度が10℃以下の濃硫酸52500部に添加し、次いで化合物Jとクロラニルを用いて特開平11-335575に記載の方法で合成した化合物K 350部を添加し、室温で20時間撹拌した。次いでこれを氷525000部に注ぎ、沈殿物を得た。得られた沈殿物を濾過し、酸が検出されなくなるまで水で洗浄し、次いで30000部のエタノールで洗浄し、90℃で乾燥し、生成物Q 252部を得た。
前記合成例1で得られた化合物1 0.4部、味の素ファインテクノ株式会社製の樹脂系分散剤であるPB-821(製品名) 0.5部、プロピレングリコールモノメチルエーテルアセテート 7.4部を混合し、0.2~0.3mmφのジルコニアビーズを加え、ペイントコンディショナーで2時間分散し、着色組成物を得た。得られた着色組成物 0.1部にプロピレングリコールモノメチルエーテルアセテート 99.9部を添加し、評価用組成物(N-1)を調製した。
化合物1に代えて、化合物2を用いる以外は、上記実施例1と同様な操作を行い、評価用組成物(N-2)を調製した。
化合物1に代えて、化合物3を用いる以外は、上記実施例1と同様な操作を行い、評価用組成物(N-3)を調製した。
化合物1に代えて、化合物4を用いる以外は、上記実施例1と同様な操作を行い、評価用組成物(N-4)を調製した。
化合物1に代えて、化合物5を用いる以外は、上記実施例1と同様な操作を行い、評価用組成物(N-5)を調製した。
化合物1に代えて、化合物6を用いる以外は、上記実施例1と同様な操作を行い、評価用組成物(N-6)を調製した。
化合物1に代えて、化合物7を用いる以外は、上記実施例1と同様な操作を行い、評価用組成物(N-7)を調製した。
化合物1に代えて、化合物8を用いる以外は、上記実施例1と同様な操作を行い、評価用組成物(N-8)を調製した。
化合物1に代えて、化合物9を用いる以外は、上記実施例1と同様な操作を行い、評価用組成物(N-9)を調製した。
上記実施例1で用いた化合物1 0.4部に代えて、化合物1 0.05部、化合物2 0.05部、化合物3 0.025部、化合物4 0.025部、化合物5 0.025部、化合物6 0.025部、化合物7 0.05部、化合物8 0.05部、及び化合物9 0.1部の混合物を用いる以外は、上記実施例1と同様な操作を行い、評価用組成物(N-10)を調製した。
上記実施例1で用いた化合物1 0.4部に代えて、化合物1 0.02部、化合物2 0.02部、化合物3 0.02部、化合物4 0.02部、化合物5 0.02部、化合物6 0.02部、化合物7 0.04部、化合物8 0.04部、及び化合物9 0.2部の混合物を用いる以外は、上記実施例1と同様な操作を行い、評価用組成物(N-11)を調製した。
上記実施例1で用いた化合物1 0.4部に代えて、化合物1 0.01部、化合物2 0.01部、化合物3 0.01部、化合物4 0.01部、化合物5 0.01部、化合物6 0.01部、化合物7 0.02部、化合物8 0.02部、及び化合物9 0.3部の混合物を用いる以外は、上記実施例1と同様な操作を行い、評価用組成物(N-12)を調製した。
上記実施例1で用いた化合物1 0.4部に代えて、化合物1 0.1部、化合物2 0.1部、化合物3 0.02部、化合物4 0.02部、化合物5 0.02部、化合物6 0.02部、化合物7 0.04部、化合物8 0.04部、及び化合物9 0.04部の混合物を用いる以外は、上記実施例1と同様な操作を行い、評価用組成物(N-13)を調製した。
上記実施例1で用いた化合物1 0.4部に代えて、化合物1 0.15部、化合物2 0.15部、化合物3 0.01部、化合物4 0.01部、化合物5 0.01部、化合物6 0.01部、化合物7 0.02部、化合物8 0.02部、及び化合物9 0.02部の混合物を用いる以外は、上記実施例1と同様な操作を行い、評価用組成物(N-14)を調製した。
上記実施例1で用いた化合物1 0.4部に代えて、化合物1 0.04部、化合物2 0.04部、化合物3 0.05部、化合物4 0.05部、化合物5 0.05部、化合物6 0.05部、化合物7 0.04部、化合物8 0.04部、及び化合物9 0.04部の混合物を用いる以外は、上記実施例1と同様な操作を行い、評価用組成物(N-15)を調製した。
上記実施例1で用いた化合物1 0.4部に代えて、化合物3 0.05部、化合物4 0.05部、化合物5 0.05部、化合物6 0.05部、化合物7 0.1部、及び化合物8 0.1部の混合物を用いる以外は、上記実施例1と同様な操作を行い、評価用組成物(N-16)を調製した。
上記実施例1で用いた化合物1 0.4部に代えて、化合物1 0.1部、化合物2 0.1部、及び化合物9 0.2部の混合物を用いる以外は、上記実施例1と同様な操作を行い、評価用組成物(N-17)を調製した。
上記実施例1で用いた化合物1 0.4部に代えて、生成物F 0.4部を用いる以外は、上記実施例1と同様な操作を行い、評価用組成物(N-19)を調製した。
上記実施例1で用いた化合物1 0.4部に代えて、生成物I 0.4部を用いる以外は、上記実施例1と同様な操作を行い、評価用組成物(N-20)を調製した。
上記実施例1で用いた化合物1 0.4部に代えて、生成物L 0.4部を用いる以外は、上記実施例1と同様な操作を行い、評価用組成物(N-21)を調製した。
上記実施例1で用いた化合物1 0.4部に代えて、生成物P 0.4部を用いる以外は、上記実施例1と同様な操作を行い、評価用組成物(N-22)を調製した。
上記実施例1で用いた化合物1 0.4部に代えて、生成物Q 0.4部を用いる以外は、上記実施例1と同様な操作を行い、評価用組成物(N-23)を調製した。
上記実施例1で用いた化合物1に代えて、Hostaperm Blue R5R VP2548 (C.I.Pigment Blue 80、クラリアント社製)を用いる以外は、上記実施例1と同様な操作を行い、評価用組成物(N-18)を調製した。
上記実施例1~22及び比較例1で得られた評価用組成物(N-1)~(N-23)の吸光スペクトルを分光光度計(U-3900、株式会社日立ハイテクサイエンス製)により測定した。結果を表1に示す。
Claims (5)
- X1及びX2がそれぞれ独立に水素原子、塩素原子又は臭素原子であり、X3、X4、X5及びX6がそれぞれ独立に水素原子又はハロゲン原子であり(ただし、X3、X4、X5、X6の内、1つ以上はハロゲン原子である)、R1、R2、R3及びR4がそれぞれ独立に水素原子又は置換基を有していてもよい炭素数1~2の一価の炭化水素基である請求項1に記載の化合物。
- X1及びX2がそれぞれ独立に水素原子又は塩素原子であり、X3、X4、X5及びX6がそれぞれ独立に水素原子又は臭素原子であり(ただし、X3、X4、X5、X6の内、1つ以上は臭素原子である)、R1、R2、R3及びR4がそれぞれ独立に水素原子又は置換基を有していてもよい炭素数1~2の一価の炭化水素基である請求項1に記載の化合物。
- 請求項1~3いずれか一項に記載の化合物を含有する着色剤。
- 請求項4に記載の着色剤を少なくとも含有する着色組成物。
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