KR100689260B1 - 항산화성 스틸벤계 형광증백제 및 이의 합성방법 - Google Patents
항산화성 스틸벤계 형광증백제 및 이의 합성방법 Download PDFInfo
- Publication number
- KR100689260B1 KR100689260B1 KR1020050043626A KR20050043626A KR100689260B1 KR 100689260 B1 KR100689260 B1 KR 100689260B1 KR 1020050043626 A KR1020050043626 A KR 1020050043626A KR 20050043626 A KR20050043626 A KR 20050043626A KR 100689260 B1 KR100689260 B1 KR 100689260B1
- Authority
- KR
- South Korea
- Prior art keywords
- tert
- butylphenol
- antioxidant
- substituted
- stilbene
- Prior art date
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- PJANXHGTPQOBST-VAWYXSNFSA-N Stilbene Natural products C=1C=CC=CC=1/C=C/C1=CC=CC=C1 PJANXHGTPQOBST-VAWYXSNFSA-N 0.000 title claims abstract description 29
- 235000021286 stilbenes Nutrition 0.000 title claims abstract description 29
- 230000003078 antioxidant effect Effects 0.000 title claims abstract description 27
- PJANXHGTPQOBST-UHFFFAOYSA-N stilbene Chemical compound C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 239000003963 antioxidant agent Substances 0.000 title claims abstract description 19
- 230000003287 optical effect Effects 0.000 title claims abstract description 14
- 238000001308 synthesis method Methods 0.000 title claims abstract description 9
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims abstract description 16
- 230000000269 nucleophilic effect Effects 0.000 claims abstract description 13
- -1 stilbene compound Chemical class 0.000 claims abstract description 9
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 5
- 150000001340 alkali metals Chemical group 0.000 claims abstract description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 5
- 239000001257 hydrogen Substances 0.000 claims abstract description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract 4
- 238000006243 chemical reaction Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 20
- CNGYZEMWVAWWOB-VAWYXSNFSA-N 5-[[4-anilino-6-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl]amino]-2-[(e)-2-[4-[[4-anilino-6-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]ethenyl]benzenesulfonic acid Chemical group N=1C(NC=2C=C(C(\C=C\C=3C(=CC(NC=4N=C(N=C(NC=5C=CC=CC=5)N=4)N(CCO)CCO)=CC=3)S(O)(=O)=O)=CC=2)S(O)(=O)=O)=NC(N(CCO)CCO)=NC=1NC1=CC=CC=C1 CNGYZEMWVAWWOB-VAWYXSNFSA-N 0.000 claims description 15
- 230000002194 synthesizing effect Effects 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 12
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 claims description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- BEQZSRGZHCDMMH-UHFFFAOYSA-N 2-(3,5-ditert-butyl-4-hydroxyphenyl)acetonitrile Chemical compound CC(C)(C)C1=CC(CC#N)=CC(C(C)(C)C)=C1O BEQZSRGZHCDMMH-UHFFFAOYSA-N 0.000 claims description 7
- TXBWKXFDLINCMJ-UHFFFAOYSA-N 2,6-ditert-butyl-4-(chloromethyl)phenol Chemical compound CC(C)(C)C1=CC(CCl)=CC(C(C)(C)C)=C1O TXBWKXFDLINCMJ-UHFFFAOYSA-N 0.000 claims description 6
- DKCPKDPYUFEZCP-UHFFFAOYSA-N 2,6-di-tert-butylphenol Chemical compound CC(C)(C)C1=CC=CC(C(C)(C)C)=C1O DKCPKDPYUFEZCP-UHFFFAOYSA-N 0.000 claims description 5
- JLOKPJOOVQELMO-UHFFFAOYSA-N 2,6-ditert-butyl-4-nitrosophenol Chemical compound CC(C)(C)C1=CC(N=O)=CC(C(C)(C)C)=C1O JLOKPJOOVQELMO-UHFFFAOYSA-N 0.000 claims description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- 239000012280 lithium aluminium hydride Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- NNFCIKHAZHQZJG-UHFFFAOYSA-N potassium cyanide Chemical compound [K+].N#[C-] NNFCIKHAZHQZJG-UHFFFAOYSA-N 0.000 claims description 4
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 4
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 claims description 4
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 claims description 4
- RNVYCHNNRVFSDL-UHFFFAOYSA-N 4-(2-aminoethyl)-2,6-ditert-butylphenol Chemical compound CC(C)(C)C1=CC(CCN)=CC(C(C)(C)C)=C1O RNVYCHNNRVFSDL-UHFFFAOYSA-N 0.000 claims description 3
- 239000002244 precipitate Substances 0.000 claims description 3
- 229930040373 Paraformaldehyde Natural products 0.000 claims description 2
- 230000002378 acidificating effect Effects 0.000 claims description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 claims description 2
- 239000012044 organic layer Substances 0.000 claims description 2
- 229920002866 paraformaldehyde Polymers 0.000 claims description 2
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 claims description 2
- 235000010288 sodium nitrite Nutrition 0.000 claims description 2
- AJKLCCHBQYYEPO-UHFFFAOYSA-N 4-(2-aminoethyl)-2,6-ditert-butylphenol Chemical compound NCCC1=CC(=C(C(=C1)C(C)(C)C)O)C(C)(C)C.NCCC1=CC(=C(C(=C1)C(C)(C)C)O)C(C)(C)C AJKLCCHBQYYEPO-UHFFFAOYSA-N 0.000 claims 2
- SKDGWNHUETZZCS-UHFFFAOYSA-N 2,3-ditert-butylphenol Chemical compound CC(C)(C)C1=CC=CC(O)=C1C(C)(C)C SKDGWNHUETZZCS-UHFFFAOYSA-N 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 239000011541 reaction mixture Substances 0.000 claims 1
- 238000003756 stirring Methods 0.000 claims 1
- 239000006081 fluorescent whitening agent Substances 0.000 abstract description 4
- 150000001875 compounds Chemical class 0.000 description 18
- 238000005481 NMR spectroscopy Methods 0.000 description 16
- 230000015572 biosynthetic process Effects 0.000 description 10
- 238000003786 synthesis reaction Methods 0.000 description 9
- 239000000835 fiber Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- 125000001424 substituent group Chemical group 0.000 description 3
- MNDTVJMRXYKBPV-UHFFFAOYSA-N 4-amino-2,6-ditert-butylphenol Chemical compound CC(C)(C)C1=CC(N)=CC(C(C)(C)C)=C1O MNDTVJMRXYKBPV-UHFFFAOYSA-N 0.000 description 2
- 235000019282 butylated hydroxyanisole Nutrition 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000012925 reference material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- NAWXUBYGYWOOIX-SFHVURJKSA-N (2s)-2-[[4-[2-(2,4-diaminoquinazolin-6-yl)ethyl]benzoyl]amino]-4-methylidenepentanedioic acid Chemical compound C1=CC2=NC(N)=NC(N)=C2C=C1CCC1=CC=C(C(=O)N[C@@H](CC(=C)C(O)=O)C(O)=O)C=C1 NAWXUBYGYWOOIX-SFHVURJKSA-N 0.000 description 1
- GOLORTLGFDVFDW-UHFFFAOYSA-N 3-(1h-benzimidazol-2-yl)-7-(diethylamino)chromen-2-one Chemical compound C1=CC=C2NC(C3=CC4=CC=C(C=C4OC3=O)N(CC)CC)=NC2=C1 GOLORTLGFDVFDW-UHFFFAOYSA-N 0.000 description 1
- REJHVSOVQBJEBF-UHFFFAOYSA-N 5-azaniumyl-2-[2-(4-azaniumyl-2-sulfonatophenyl)ethenyl]benzenesulfonate Chemical compound OS(=O)(=O)C1=CC(N)=CC=C1C=CC1=CC=C(N)C=C1S(O)(=O)=O REJHVSOVQBJEBF-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 239000004255 Butylated hydroxyanisole Substances 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- ZCQWOFVYLHDMMC-UHFFFAOYSA-N Oxazole Chemical compound C1=COC=N1 ZCQWOFVYLHDMMC-UHFFFAOYSA-N 0.000 description 1
- 125000003282 alkyl amino group Chemical group 0.000 description 1
- 238000005576 amination reaction Methods 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- XJHABGPPCLHLLV-UHFFFAOYSA-N benzo[de]isoquinoline-1,3-dione Chemical compound C1=CC(C(=O)NC2=O)=C3C2=CC=CC3=C1 XJHABGPPCLHLLV-UHFFFAOYSA-N 0.000 description 1
- CZBZUDVBLSSABA-UHFFFAOYSA-N butylated hydroxyanisole Chemical compound COC1=CC=C(O)C(C(C)(C)C)=C1.COC1=CC=C(O)C=C1C(C)(C)C CZBZUDVBLSSABA-UHFFFAOYSA-N 0.000 description 1
- 229940043253 butylated hydroxyanisole Drugs 0.000 description 1
- MGNCLNQXLYJVJD-UHFFFAOYSA-N cyanuric chloride Chemical compound ClC1=NC(Cl)=NC(Cl)=N1 MGNCLNQXLYJVJD-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 235000019249 food preservative Nutrition 0.000 description 1
- 239000005452 food preservative Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000007348 radical reaction Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 230000000475 sunscreen effect Effects 0.000 description 1
- 239000000516 sunscreening agent Substances 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
- C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
- C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
- C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
- C07D251/40—Nitrogen atoms
- C07D251/54—Three nitrogen atoms
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/35—Heterocyclic compounds
- D06M13/355—Heterocyclic compounds having six-membered heterocyclic rings
- D06M13/358—Triazines
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/30—Luminescent or fluorescent substances, e.g. for optical bleaching
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
화학식(화학식(1)에서의 R1, R2 결합체) | R1 | R2 |
(10) | ||
(11) | ||
(12) | ||
(13) | ||
(14) | ||
(15) | ||
(16) | ||
(17) |
화학식 | 일광 견뢰도 | 마찰 견뢰도 | |
건식 | 습식 | ||
(18) | 2 | 3-4 | 2 |
(19) | 2 | 3-4 | 2 |
(10) | 3 | 4 | 3 |
(11) | 3 | 4-5 | 4 |
(12) | 1 | 4 | 3-4 |
(13) | 3 | 4-5 | 3-4 |
(14) | 2 | 4 | 2-3 |
(15) | 3 | 4 | 3-4 |
(16) | 2 | 4-5 | 3-4 |
(17) | 2 | 4 | 3 |
화학식 | Acetate | Cotten | Nylon |
(18) | 4-5 | 1 | 3 |
(19) | 4 | 1 | 3 |
(10) | 4-5 | 2 | 4-5 |
(11) | 4-5 | 3-4 | 4-5 |
(12) | 4-5 | 2-3 | 4-5 |
(13) | 4-5 | 2 | 4-5 |
(14) | 4 | 1-2 | 4-5 |
(15) | 4 | 3-4 | 4-5 |
(16) | 4-5 | 2 | 4-5 |
(17) | 4-5 | 2-3 | 4-5 |
Claims (6)
- 제 1항에 따른 친핵성기가 포함된 BHT 유도체가 치환된 항산화성 스틸벤계 형광증백제의 합성방법에서,상기 화학식으로 표현되는 4-아미노-2,6-디-tert-부틸-페놀(4-amino-2,6-di -tert- butyl-phenol) 화합물의 합성 방법으로서,2,6-디-tert-부틸페놀 5.16g 및 25mmol을 에탄올 25ml 에 녹인 뒤, 황산 소량을 적가하여 산성상태로 만들고, 물 5ml에 아질산 나트륨 1.78g 및 25.8mmol을 녹여 0 내지 5도에서 천천히 적가하여 반응액의 온도를 0 내지 5도 유지하면서 2시간 동안 교반한 뒤, 여과 후 물로 세척하고 건조한 후에 다시 사염화탄소를 이용하여 재결정하여 2,6-di-tert-butyl-4-nitrosophenol를 합성하는 제 1단계;5% 가성소다 용액 30ml에 상기 2,6-디-tert-부틸-4-니트로소페놀(2,6-di-tert-butyl-4-nitrosophenol) 5.18g 및 22.0mmol을 넣고, 50 내지 60도로 승온하여 용해하여, 나트륨 히드로 아황산염 10.0g을 반응액에 넣고 온도를 50 내지 60도로 유지하면서 1시간 동안 교반한 다음, 이 용액을 물 20ml로 희석하고 실온까지 온도를 낮추어 4-아미노-2,6-디-tert- 부틸-페놀을 합성하는 제 2단계;로 구성된 것을 특징으로 하는, 친핵성기가 포함된 BHT 유도체가 치환된 항산화성 스틸벤계 형광증백제의 합성방법.
- 제 2항에 있어서,합성된 R1 및 R2의 총 몰비의 합은 시아누르클로라이드 몰비의 0.95에서 1.1배 범위 내에서 합성되는 것을 특징으로 하는, 친핵성기가 포함된 BHT 유도체가 치환된 항산화성 스틸벤계 형광증백제의 합성방법.
- 제 1항에 따른 친핵성기가 포함된 BHT 유도체가 치환된 항산화성 스틸벤계 형광증백제의 합성방법에서,상기 화학식으로 표현되는 4-(2-아미노에틸)-2,6-디-tert-부틸페놀{4-(2- aminoethyl)-2,6-di- tert -butylphenol}의 합성방법으로서,2,6-디-tert-부틸-페놀(2,6-di-tert-butyl-phenol) 10.0g 및 48.5mmol을 n-헵탄 50ml에 용해한 후, 파라포름알데히드 30g과 함께 염산 75ml 및 질소가 주입된 반응기에 넣고 13시간 교반하고 반응이 끝나면 실온까지 냉각시키면 반응액이 2개의 층으로 분리가 되는데, 유기층을 분리하여 물로 세척하고 건조하여 4-클로로메틸-2,6-디-tert-부틸페놀(4-chloromethyl-2,6-di-tert- butylphenol)을 수득하는 제 1단계;시안화칼륨 6.30g 및 96.7mmol을 70% 에탄올 250ml 에 녹인 다음, 반응기에 상기 4-클로로메틸-2,6-디-tert-부틸페놀 12.4g 및 48.7mmol을 n-헵탄 100ml에 용해하여 준비하고, 시안화칼륨 용액을 반응액의 온도를 0도를 유지하면서 적가하고 이 용액을 가열하여 2시간 동안 교반한 뒤, 실온까지 냉각시켜 얻은 침전물을 여과하고, 물로 세척하여 4-시아노메틸-2,6-디-tert-부틸페놀(4-cyanomethyl-2,6-di- tert-butylphenol)을 10.0g 및 84%을 수득하는 제 2단계;반응기에 무수디에틸에테르 75ml를 넣고 0도를 유지하면서 상기 4-시아노메 틸-2,6-디-tert-부틸페놀 9.82g 및 40.0mmol를 투입한 다음, 수소화알루미늄리튬 3.20g 및 84.3mmol을 무수디에틸에테르 100ml에 현탁시켜 반응기에 적가하고, 질소를 투입하면서 반응액을 4시간 동안 교반한 뒤, 1노르말 농도의 가성소다로 과량 사용으로 인해 남은 수소화알루미늄리튬을 해리시키고 반응액을 여과하고 나서 물로 세척하고 건조하여, 4-(2-아미노에틸)-2,6-디-tert-부틸페놀{4-(2-aminoethyl) -2,6-di-tert- butylphenol} 7.50g를 수득하는 제 3단계;로 구성된 것을 특징으로 하는, 친핵성기가 포함된 BHT 유도체가 치환된 항산화성 스틸벤계 형광증백제의 합성방법.
- 제 4항에 있어서,합성된 상기 R1 및 상기 R2의 총 몰비의 합은 시아누르클로라이드 몰비의 0.95에서 1.1배 범위 내에서 합성되는 것을 특징으로 하는, 친핵성기가 포함된 BHT 유도체가 치환된 항산화성 스틸벤계 형광증백제의 합성방법.
- 제 4항에 있어서,4-(2-아미노에틸)-2,6-디-tert-부틸페놀을 합성하는데 사용된 수소화알루미늄의 양은 4-시아노메틸-2,6-디-tert-부틸페놀 몰비의 1 내지 2.5배 내에서 수행되는 것을 특징으로 하는, 친핵성기가 포함된 BHT 유도체가 치환된 항산화성 스틸벤계 형광증백제의 합성방법.
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