CN104628632A - 吡啶衍生物[2,2′-联吡啶]-6-基(6-甲氧基吡啶-2-基)甲酮及其合成方法 - Google Patents

吡啶衍生物[2,2′-联吡啶]-6-基(6-甲氧基吡啶-2-基)甲酮及其合成方法 Download PDF

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CN104628632A
CN104628632A CN201510094239.4A CN201510094239A CN104628632A CN 104628632 A CN104628632 A CN 104628632A CN 201510094239 A CN201510094239 A CN 201510094239A CN 104628632 A CN104628632 A CN 104628632A
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base
dipyridyl
ketone
pyridine
methoxypyridine
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胡博文
石靖
龚大伟
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Harbin Institute of Technology
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D213/00Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
    • C07D213/02Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
    • C07D213/04Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom
    • C07D213/60Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen or carbon atoms directly attached to the ring nitrogen atom with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D213/62Oxygen or sulfur atoms
    • C07D213/63One oxygen atom
    • C07D213/64One oxygen atom attached in position 2 or 6

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  • Organic Chemistry (AREA)
  • Pyridine Compounds (AREA)

Abstract

本发明公开了一种吡啶衍生物[2,2’-联吡啶]-6-基(6-甲氧基吡啶-2-基)甲酮及其合成方法,所述方法为:在N2保护下,向三口瓶中加入2-溴-6-甲氧基吡啶、四氢呋喃,滴加正丁基锂,低温搅拌60min,体系溶液由无色渐变淡黄色,将2,2’-联吡啶-2-甲酸甲酯溶于四氢呋喃,慢慢滴加到反应中,反应3h;加甲醇、盐酸和水的混合液淬灭反应,氢氧化钠溶液调碱性,分液,水层萃取二~四次;合并有机层,有机层干燥后将有机溶剂旋干,过一段氧化铝的柱子,得到黄色油状液体。本发明合成了一种不对称的吡啶化合物,并在吡啶6-号位引入了甲氧基,方便官能团之间的转换,以便合成含有羟基取代基团的联吡啶类衍生物,从而合成催化性能增加的金属有机配合物。

Description

吡啶衍生物[2,2′-联吡啶]-6-基(6-甲氧基吡啶-2-基)甲酮及其合成方法
技术领域
本发明涉及一种吡啶类衍生物及其合成方法,具体涉及一种新型吡啶化合物[2,2′-联吡啶]-6-基(6-甲氧基吡啶-2-基)甲酮联吡啶类衍生物及其合成方法。
背景技术
配位化学在化学领域的地位越来越不容忽视,在超分子化学领域更是举足轻重,通常利用含有氮、磷、氧等配位能力较强的配体与过渡金属螯合,合成大量结构新颖的配合物,吡啶类衍生物是配位化学里最重要的配体之一,自从被制备合成以后就在各个化学领域广泛应用,这主要是由于吡啶具有很好的螯合能力,容易与很多金属形成络合物,并且其结构稳定,因此吡啶的合成对于寻找新功能材料的贡献是功不可没的,让很多科学家都因此产生了浓厚的兴趣。
吡啶类分子是具有较强配位能力和具有较为特殊分子构型的一类配体,具有三个配位点的吡啶分子是构筑超分子配位聚合物的合适建构模块,可以构造出线性、树枝、网状等多种骨架结构,相信随着人们对吡啶研究的不断深入,一定会取得令人瞩目的成就。
发明内容
本发明的目的是提供一种吡啶衍生物[2,2′-联吡啶]-6-基(6-甲氧基吡啶-2-基)甲酮及其合成方法。该方法合成了一种不对称的吡啶化合物,并在吡啶6-号位引入了甲氧基,方便官能团之间的转换,以便合成含有羟基取代基团的联吡啶类衍生物,从而合成催化性能增加的金属有机配合物。
本发明的目的是通过以下技术方案实现的:
一种吡啶衍生物[2,2′-联吡啶]-6-基(6-甲氧基吡啶-2-基)甲酮,其分子结构式如下:
上述吡啶衍生物[2,2′-联吡啶]-6-基(6-甲氧基吡啶-2-基)甲酮的合成方法,具体步骤如下:
在N2保护下,向三口瓶中加入11mol 2-溴-6-甲氧基吡啶,加入60mL四氢呋喃作为溶剂,-78℃滴加4.4mL、2.5mol/L正丁基锂,低温(-78℃)搅拌60min,体系溶液由无色渐变淡黄色,将11mol 2,2′-联吡啶-2-甲酸甲酯溶于20mL四氢呋喃,-78℃慢慢滴加到反应中,慢慢升温至-20℃反应3h;加甲醇、盐酸和水的混合液(甲醇∶盐酸∶水=5∶1∶5(v/v/v))淬灭反应,氢氧化钠溶液调碱性(pH=9),分液,水层用乙酸乙酯或二氯甲烷萃取二~四次;合并有机层,有机层用无水硫酸钠或氯化钙干燥1~3小时后,将有机溶剂旋干,过一段氧化铝的柱子,以石油醚∶乙酸乙酯=10∶1(v/v)为洗脱液,得到黄色油状液体。反应方程式如下:
本发明具有如下优点:
(1)反应操作简单,一步即可得到一种新型的、未见报道的不对称吡啶化合物。
(2)化合物中甲氧基基团的引入使得羟基官能团的合成更加简单易得。
附图说明
图1为本发明合成的[2,2′-联吡啶]-6-基(6-甲氧基吡啶-2-基)甲酮的核磁氢谱共振图谱;
图2为本发明合成的[2,2′-联吡啶]-6-基(6-甲氧基吡啶-2-基)甲酮的核磁碳谱谱共振图谱;
图3为本发明合成的[2,2′-联吡啶]-6-基(6-甲氧基吡啶-2-基)甲酮的高分辨质谱图谱。
具体实施方式
下面结合附图对本发明的技术方案作进一步的说明,但并不局限于此,凡是对本发明技术方案进行修改或者等同替换,而不脱离本发明技术方案的精神和范围,均应涵盖在本发明的保护范围中。
本发明提供了一种联吡啶衍生物[2,2′-联吡啶]-6-基(6-甲氧基吡啶-2-基)甲酮的合成方法,具体合成步骤如下:
在N2保护下,向三口瓶中加入11mol 2-溴-6-甲氧基吡啶,加入60mL四氢呋喃作为溶剂,-78℃滴加4.4mL、2.5mol/L正丁基锂,-78℃搅拌60min,体系溶液由无色渐变淡黄色,将11mol 2,2′-联吡啶-2-甲酸甲酯溶于20mL四氢呋喃,-78℃慢慢滴加到反应中,慢慢升温至-20℃反应3h;加甲醇20mL、盐酸4mL和水20mL淬灭反应,氢氧化钠溶液调pH=9,分液,水层用乙酸乙酯或二氯甲烷萃取三次;合并有机层,有机层无水硫酸钠或氯化钙干燥2小时后,将有机溶剂旋干,过一段氧化铝的柱子,以石油醚∶乙酸乙酯=10∶1(v/v)为洗脱液,得到黄色油状液体(2.8g,89%)。如图1-3所示,1H NMR(400Hz,CDCl3)δ8.61(d,J=4Hz,1H),δ8.57(d,J=8Hz,1H),δ8.29(d,J=8Hz,1H),δ8.00(d,J=4Hz,1H),δ7.92(t,J=4Hz,1H),δ7.69(d,J=4Hz,3H),δ7.24(t,J=4Hz,1H),δ6.90(t,J=4Hz 1H),δ3.80(s,3H)。1C NMR(100Hz,CDCl3)δ53.50,114.75,119.22,121.10,123.35,123.94,124.66,136.69,137.29,138.58,149.29,151.31,153.88,155.32,155.43,163.46,192.57.HRMS(ESI)m/z(%;MeOH solvent):calcd for[M+H+]291.1008;found:292.1083。

Claims (5)

1.吡啶衍生物[2,2′-联吡啶]-6-基(6-甲氧基吡啶-2-基)甲酮,其特征在于所述[2,2′-联吡啶]-6-基(6-甲氧基吡啶-2-基)甲酮的分子结构式如下:
2.一种权利要求1所述吡啶衍生物[2,2′-联吡啶]-6-基(6-甲氧基吡啶-2-基)甲酮的合成方法,其特征在于所述方法具体步骤如下:
在N2保护下,向三口瓶中加入11mol 2-溴-6-甲氧基吡啶,加入60mL四氢呋喃作为溶剂,-78℃滴加4.4mL、2.5mol/L正丁基锂,搅拌60min,体系溶液由无色渐变淡黄色,将11mol 2,2′-联吡啶-2-甲酸甲酯溶于20mL四氢呋喃,-78℃滴加到反应中,升温至-20℃反应3h;加甲醇、盐酸和水的混合液淬灭反应,氢氧化钠溶液调碱性,分液,水层用乙酸乙酯或二氯甲烷萃取二~四次;合并有机层,有机层用无水硫酸钠或氯化钙干燥1~3小时后,将有机溶剂旋干,过一段氧化铝的柱子,以石油醚和乙酸乙酯的混合液为洗脱液,得到黄色油状液体。
3.根据权利要求2所述的吡啶衍生物[2,2′-联吡啶]-6-基(6-甲氧基吡啶-2-基)甲酮的合成方法,其特征在于所述甲醇、盐酸和水的混合液中,甲醇∶盐酸∶水=5∶1∶5(v/v/v)。
4.根据权利要求2所述的吡啶衍生物[2,2′-联吡啶]-6-基(6-甲氧基吡啶-2-基)甲酮的合成方法,其特征在于所述碱性pH=9。
5.根据权利要求2所述的吡啶衍生物[2,2′-联吡啶]-6-基(6-甲氧基吡啶-2-基)甲酮的合成方法,其特征在于所述石油醚和乙酸乙酯的混合液中,石油醚∶乙酸乙酯=10∶1(v/v)。
CN201510094239.4A 2015-03-03 2015-03-03 吡啶衍生物[2,2′-联吡啶]-6-基(6-甲氧基吡啶-2-基)甲酮及其合成方法 Pending CN104628632A (zh)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101085788A (zh) * 2007-07-09 2007-12-12 山西大学 一种以吡啶为母体的金属配合物及其合成方法
WO2012069601A1 (en) * 2010-11-25 2012-05-31 Syngenta Participations Ag Substituted quinazolines as fungicides

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101085788A (zh) * 2007-07-09 2007-12-12 山西大学 一种以吡啶为母体的金属配合物及其合成方法
WO2012069601A1 (en) * 2010-11-25 2012-05-31 Syngenta Participations Ag Substituted quinazolines as fungicides

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
BYUNG SUN PARK,等: "Synthesis and Photoluminescent Properties of New Ceramidine Derivatives", 《HETEROATOM CHEMISTRY》 *
GERALD DYKER,等: "Synthesis of Methylene- and Methine-Bridged Oligopyridines", 《EUR. J. ORG. CHEM.》 *

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Application publication date: 20150520