CN1045433C - 彩负黄二当量成色剂的合成 - Google Patents
彩负黄二当量成色剂的合成 Download PDFInfo
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- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 abstract description 4
- 229940126062 Compound A Drugs 0.000 abstract description 3
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 abstract description 3
- XTHPWXDJESJLNJ-UHFFFAOYSA-N chlorosulfonic acid Substances OS(Cl)(=O)=O XTHPWXDJESJLNJ-UHFFFAOYSA-N 0.000 abstract description 3
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Abstract
本发明属于彩负黄二当量成色剂的合成方法。
本发明选择了3-氯-4-硝基苯胺作为原料,用3-氯-4硝基苯胺与十六烷基磺酰氯在吡啶中反应得到新化合物A’,A’在乙醇中用铁粉与盐酸还原,得到新化合物B’,B’再与特戊酰基乙酸乙酯在甲苯中回流得到化合物B,将B在氯仿中加氯磺酸,在室温下激烈搅动溶液,析出产物,得化合物C,将化合物C与4’-羟基-4’-苄氧基二苯砜反应的产物用乙醇和乙酸乙酯混合溶剂结晶纯制,得化合物D。D的结构式为:
Description
本发明属于彩负黄二当量成色剂的合成方法。
彩负黄二当量成色剂为彩色胶片上的感兰涂层的照相有机物,其结构式为:2-[4”-(4”-苄氧基苯砜基)苯氧基]-2’-氯-5’-16烷基磺酰胺基-2-特戊酰基乙酰苯胺(2-[4”-(4”-benzyloxy-phenyl sulfonyl)phenoxy]-2’-chloro-5’-hexadecyl-sulfonamido-2-pivaloylacetanilide):该化合物是一种具有良好性能的感光材料。
由于硝基化合物还原选择性很差,分子中的两个-CO-基很易还原,因此副产物增大,收率降低。合成化合物B时,n-C16H33SO2Cl能与A分子中-COCH2-CO-基团上的氢原子反应生成一种副产物:
对所要产品纯度将产生较大影响。
化合物C的制法是将化合物B溶在氯仿中加氯磺酸,在甲醇中冷冻析出得到,化合物D的纯制是将粗产物D溶于苯中通过硅胶柱子,用苯和乙酸乙酯混合物冲洗得到纯产物。
本发明的目的是选择了3-氯-4-硝基苯胺作为原料,用3-氯-4-硝基苯胺与十六烷基磺酰氯在吡啶中反应得到新化合物A’,A’在乙醇中用铁粉与盐酸还原,得到新化合物B’,B’再与特戊酰基乙酸乙酯在甲苯中回流得到化合物B,将B在氯仿中加氯磺酸,在室温下激烈搅动溶液,析出产物,得化合物C,将化合物C与4’-羟基-4’-苄氧基二苯砜反应的产物用乙醇和乙酸乙酯混合溶剂结晶纯制,得化合物D。
C化合物是将B液在室温下激烈搅动使析出产物;
D化合物是采用乙醇和乙酸乙酯混合物溶剂结晶纯制。
本发明提供的实施例如下:
实施例1:
原料:3-硝基-4-氯苯胺 32g(0.184mol)
(M=171.54)
十六烷基磺酰氯(M=324.8) 60g(0.184mol)
吡啶 90ml
活性炭 15g
操作:将3-硝基-4-氯苯胺与十六烷基磺酰氯混合后,加入吡啶,在搅拌下,维持反应温度在30-40℃反应两小时,反应完成后,将棕红色溶液倒入冰水中,析出沉淀,过滤,水洗,用乙醇重结晶,并用活性炭脱色,过滤,析黄白色晶性沉淀,再过滤,用乙醇洗,干燥,产物收率50-70%,mp 79-80℃。
实施例2:
原料:3-硝基-4-氯十六烷基磺酰苯胺(M=461.06)
45g(0.10mol)
乙醇 450ml
铁粉(M=55.84) 22.5g(0.40mol)
盐酸 140ml
操作:将上列前三种原料加入1立升三口瓶中混合,在搅拌下加热至70℃左右,滴加稀盐酸,温度80℃反应1小时,过滤,冷却后析出灰白色结晶物,过滤,干燥,产物收率83-97%,mp 104-106℃。
实施例3:
(M=172.13) 34g(0.20mol)
3-氨基-4-氯十六烷基磺酰苯胺 (M=431.07)
48g(0.11mol)
甲苯 450mol
操作:将上列三种物质加入1立升三口瓶中,在氮气保护下,加热回流,将甲苯蒸出,剩下棕色溶液,加乙腈(或汽油)重结晶,干燥产物收率60-70%,mp 85-86℃。
实施例4:
原料:2-氯-5-十六烷基磺酰胺基特戊酰基乙酰苯胺
(M=557.24) 22.0g(0.04 mol)
SO2Cl2(M=34.96) (d=1.675g/cm3) 纯度95%3.32ml
(0.04mol)
氯仿 90ml
甲醇 60ml
在一个干燥过的单口烧瓶中,加入2-氯-5-十六烷基磺酰胺基特戊酰基乙酰苯胺,然后再加入氯仿(70ml)溶解,溶液呈深棕色。在搅拌下常温滴加磺酰氯和氯仿(20ml)混合溶液,在半小时内滴完后,继续搅拌反应1小时。减压抽除氯仿,得棕色粘稠状物。加甲醇溶解,过滤,用甲醇洗,减压干燥,得次白色产物。产物收率在80-90%,mp50-52℃(文献49-50℃)。
实施例5:
5.成色剂(GC-4007) (M=894.5) (D)
原料:2-氯-5-十六烷基磺酰胺基氯化特戊酰基乙酰苯胺 10g(0.017mol)
4-羟基-4 ’-苄氧基二苯砜 (M=340.4)
5.78g(0.017mol)
三乙胺(M=101.19) 5.16g (0.051mol)
乙腈 200ml
浓盐酸 45ml
乙醇 60ml
乙酸乙酯 60ml
操作:将2-氯-5-十六烷基磺酰胺基氯化特戊酰基乙酰苯胺放在干燥三口瓶中,加入乙腈溶解,再将4,4’-羟基苄氧基二苯基亚砜和三乙胺加乙腈溶解,倒入三口瓶中混合,排出空气,然后放在水浴上回流3小时。待溶液冷却后倒入含45ml浓盐酸的500g冰水(蒸馏水制)中。析出黄色油状固体物,待冰块溶化后,把固体物滤出,干燥后用乙醇和乙酸乙酯混合液重结晶,过滤,干燥得产物,收率40-50%,mp 89-91℃。
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CN94107522A CN1045433C (zh) | 1994-07-03 | 1994-07-03 | 彩负黄二当量成色剂的合成 |
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CN1114647A CN1114647A (zh) | 1996-01-10 |
CN1045433C true CN1045433C (zh) | 1999-10-06 |
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CN105273781A (zh) * | 2014-05-29 | 2016-01-27 | 云南正能环保科技有限公司 | 一种汽油节油抗爆和尾气净化的方法及应用 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3933501A (en) * | 1973-11-28 | 1976-01-20 | Eastman Kodak Company | Photographic elements containing color-forming couplers having and inhibiting effect upon the reactivity of competing couplers |
US4157919A (en) * | 1978-03-31 | 1979-06-12 | Eastman Kodak Company | Silver halide emulsions containing yellow-dye-forming couplers |
DE2840381A1 (de) * | 1978-09-16 | 1980-04-03 | Agfa Gevaert Ag | Verfahren zur herstellung von 2-aequivalent-gelbkupplern |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3933501A (en) * | 1973-11-28 | 1976-01-20 | Eastman Kodak Company | Photographic elements containing color-forming couplers having and inhibiting effect upon the reactivity of competing couplers |
US4157919A (en) * | 1978-03-31 | 1979-06-12 | Eastman Kodak Company | Silver halide emulsions containing yellow-dye-forming couplers |
DE2840381A1 (de) * | 1978-09-16 | 1980-04-03 | Agfa Gevaert Ag | Verfahren zur herstellung von 2-aequivalent-gelbkupplern |
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