CN104326889B - 乙二醇二-8-(4-羟基-1-四氢萘酮)醚及合成方法 - Google Patents

乙二醇二-8-(4-羟基-1-四氢萘酮)醚及合成方法 Download PDF

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CN104326889B
CN104326889B CN201410500348.7A CN201410500348A CN104326889B CN 104326889 B CN104326889 B CN 104326889B CN 201410500348 A CN201410500348 A CN 201410500348A CN 104326889 B CN104326889 B CN 104326889B
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王强
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Ningbo Institute of Technology of ZJU
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    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C49/00Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
    • C07C49/587Unsaturated compounds containing a keto groups being part of a ring
    • C07C49/753Unsaturated compounds containing a keto groups being part of a ring containing ether groups, groups, groups, or groups
    • C07C49/755Unsaturated compounds containing a keto groups being part of a ring containing ether groups, groups, groups, or groups a keto group being part of a condensed ring system with two or three rings, at least one ring being a six-membered aromatic ring
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    • C07C67/29Preparation of carboxylic acid esters by modifying the hydroxylic moiety of the ester, such modification not being an introduction of an ester group by introduction of oxygen-containing functional groups
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    • C07C2602/04One of the condensed rings being a six-membered aromatic ring
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Abstract

本发明公开了乙二醇二‑8‑(4‑羟基‑1‑四氢萘酮)醚及合成方法,乙二醇二‑8‑(4‑羟基‑1‑四氢萘酮)醚是4,8‑二羟基‑1‑四氢萘酮的衍生物,熔点310‑312K,溶于水、乙醇、丙酮及氯仿,为外消旋体,具有显著抑制植物种子萌发和幼苗生长的作用。其合成方法工艺简单,产物纯度高,达到99.12%,反应总收率为17‑23%。

Description

乙二醇二-8-(4-羟基-1-四氢萘酮)醚及合成方法
技术领域
本发明涉及4,8-二羟基-1-四氢萘酮的衍生物,具体涉及乙二醇二-8-(4-羟基-1-四氢萘酮)醚及合成方法。
背景技术
4,8-二羟基-1-四氢萘酮(4,8-DHT),化学名4,8-dihydroxy-1-tetralone,无色细簇针状结晶,其中4位与羟基相连的碳为一个手性碳,具有抗肿瘤、抗真菌、降血糖及免疫调节等作用。4,8-DHT的左旋对映体(–)被称为regiolone,右旋对映体(+)被称为isosclerone,4,8-DHT还有外消旋体。Regiolone最早是从青核桃中鉴定出的,可用于治疗皮肤瘙痒及痛等病症。Isosclerone最早是从Sclerotinia sclerotium中分离鉴定出,后来从一些真菌中也分离出了该化合物,它能引起葡萄灰色斑点病。山核桃中就发现外消旋体的4,8-DHT。
发明内容
本发明所要解决的技术问题是提供一种乙二醇二-8-(4-羟基-1-四氢萘酮)醚及合成方法,乙二醇二-8-(4-羟基-1-四氢萘酮)醚具有显著抑制植物种子萌发和幼苗生长的作用。
本发明解决上述技术问题所采用的技术方案为:乙二醇二-8-(4-羟基-1-四氢萘酮)醚,其分子式为C22H22O6,结构式为:熔点310-312K,溶于水、乙醇、丙酮及氯仿,为外消旋体,[α]20 D=±0°(c1.3,CH2Cl2)。
乙二醇二-8-(4-羟基-1-四氢萘酮)醚的合成方法,步骤如下:
(1)将0.27g 4,8-二苯甲酰酯基-1-四氢萘酮溶于12-15ml甲醇,加0.12-0.17g碳酸铯搅拌均匀,室温反应2h,除去甲醇,每次15ml乙酸乙酯萃取,共萃取三次,合并萃取液,用35-45ml饱和食盐水除盐,减压浓缩至干燥,以重量比1:1与300-400目硅胶混匀,过200-300目硅胶柱,1:5-7的乙酸乙酯:石油醚洗脱,得到淡黄色粒状晶体:4-苯甲酰基-8-羟基-1-四氢萘酮,其分子式为C17H14O4
(2)将上述C17H14O4溶于12-15ml无水四氢呋喃,加入1.2当量的氢化钠,室温下反应30min,再加入5-7ml二溴乙烷,升温至50℃反应90-120min,氯化铵淬灭反应,减压浓缩至干,用体积比1:1的乙酸乙酯和水混合液25-40ml萃取,有机相用30-50ml饱和食盐水除盐,35-40g无水硫酸钠除水后,减压浓缩至干,得淡黄色粒状晶体:乙二醇二-8-(4-苯甲酰基-1-四氢萘酮)醚,其分子式为C36H30O6
(3)将上述C36H30O6溶于10-12ml甲醇,加入1当量的盐酸,室温下反应4h,除去甲醇,每次20-25ml乙酸乙酯萃取,共萃取三次,合并萃取液,用30-50ml饱和食盐水除盐,减压浓缩至干燥,以重量比1:1与300-400目硅胶混匀,过200-300目硅胶柱,乙酸乙酯洗脱,得到乙二醇二-8-(4-羟基-1-四氢萘酮)醚无色粒状晶体。采用高效液相色谱法测定该无色粒状晶体,其纯度达到99.12%。反应总收率为17-23%。
与现有技术相比,本发明的优点在于乙二醇二-8-(4-羟基-1-四氢萘酮)醚及合成方法,乙二醇二-8-(4-羟基-1-四氢萘酮)醚是4,8-二羟基-1-四氢萘酮的衍生物,熔点310-312K,溶于水、乙醇、丙酮及氯仿,为外消旋体,具有显著抑制植物种子萌发和幼苗生长的作用。其合成方法工艺简单,产物纯度高,达到99.12%,反应总收率为17-23%。
附图说明
图1为本发明的合成示意图。
具体实施方式
以下结合附图实施例对本发明作进一步详细描述。
实施例1
一种以4,8-二苯甲酰酯基-1-四氢萘酮为原料合成外消旋乙二醇二-8-(4-羟基-1-四氢萘酮)醚的方法:将0.27g 4,8-二苯甲酰酯基-1-四氢萘酮溶于12-15ml甲醇,加0.12-0.17g碳酸铯搅拌均匀,室温反应2h,除去甲醇,每次15ml乙酸乙酯萃取,共萃取三次,合并萃取液,用35-45ml饱和食盐水除盐,减压浓缩至干燥,以重量比1:1与300-400目硅胶混匀,过200-300目硅胶柱,1:5-7的乙酸乙酯:石油醚洗脱,得到淡黄色粒状晶体:4-苯甲酰基-8-羟基-1-四氢萘酮,其分子式为C17H14O4;将上述C17H14O4溶于12-15ml无水四氢呋喃,加入1.2当量的氢化钠,室温下反应30min,再加入5-7ml二溴乙烷,升温至50℃反应90-120min,氯化铵淬灭反应,减压浓缩至干,用体积比1:1的乙酸乙酯和水混合液25-40ml萃取,有机相用30-50ml饱和食盐水除盐,35-40g无水硫酸钠除水后,减压浓缩至干,得淡黄色粒状晶体:乙二醇二-8-(4-苯甲酰基-1-四氢萘酮)醚,其分子式为C36H30O6;将上述C36H30O6溶于10-12ml甲醇,加入1当量的盐酸,室温下反应4h,除去甲醇,每次20-25ml乙酸乙酯萃取,共萃取三次,合并萃取液,用30-50ml饱和食盐水除盐,减压浓缩至干燥,以重量比1:1与300-400目硅胶混匀,过200-300目硅胶柱,乙酸乙酯洗脱,得到乙二醇二-8-(4-羟基-1-四氢萘酮)醚无色粒状晶体,反应总收率为17-23%。采用高效液相色谱法测定,得到纯度达到99.12%。其熔点310-312K,溶于水、乙醇、丙酮及氯仿,为外消旋体,[α]20 D=±0°(c1.3,CH2Cl2)。
实施例2
将获得的乙二醇二-8-(4-羟基-1-四氢萘酮)醚配置成0.01mM、0.05mM、0.1mM和0.5mM的处理液作对莴苣种子萌发抑制实验,取100粒测试物种种子均匀摆放在铺有两层滤纸、大小15×20cm发芽盒,加10ml不同浓度处理液(对照组为去离子水),每个处理设置3个重复。培养条件为光周期25℃,12h;暗周期15℃,12h。种子萌发以胚根突破种皮为标准,第四天和第七天记录莴苣种子发芽数。0.01m处理液可以使莴苣种子发芽势降低23%,发芽率降低17%;0.5mM处理液种子不发芽。用0.01mM、0.05mM、0.1mM和0.5mM的处理液作对莴苣实生苗生长抑制实验,取胚根突破种皮种子100粒均匀摆放在铺有两层滤纸、大小15×20cm发芽盒,加入10ml不同浓度处理液(对照组为去离子水),每个处理设置3个重复。培养条件为光周期25℃,12h;暗周期15℃,12h。每隔一天从发芽盒中随机取5粒种子测其胚根、胚芽长度及鲜重,共测6次。0.01m处理液可以使莴苣实生苗胚根长度降低12%、胚芽长度降低9%、鲜重降低10%,0.5mM处理液实生苗无生长迹象。
实施例3
将获得的乙二醇二-8-(4-羟基-1-四氢萘酮)醚配置成0.01mM、0.05mM、0.1mM和0.5mM的处理液作对萝卜种子萌发抑制实验,取100粒测试物种种子均匀摆放在铺有两层滤纸、大小15×20cm发芽盒,加10ml不同浓度处理液(对照组为去离子水),每个处理设置3个重复。培养条件为光周期25℃,12h;暗周期15℃,12h。种子萌发以胚根突破种皮为标准,第四天和第十天记录萝卜种子发芽数。0.01m处理液可以使萝卜种子发芽势降低12%,发芽率降低19%;0.5mM处理液种子不发芽。用0.01mM、0.05mM、0.1mM和0.5mM的处理液作对萝卜实生苗生长抑制实验,取胚根突破种皮种子100粒均匀摆放在铺有两层滤纸、大小15×20cm发芽盒,加入10ml不同浓度处理液(对照组为去离子水),每个处理设置3个重复。培养条件为光周期25℃,12h;暗周期15℃,12h。每隔一天从发芽盒中随机取5粒种子测其胚根、胚芽长度及鲜重,共测6次。0.01m处理液可以使萝卜实生苗胚根长度降低10%、胚芽长度降低7%、鲜重降低9%;0.5mM处理液实生苗无生长迹象。
实施例4
将获得的乙二醇二-8-(4-羟基-1-四氢萘酮)醚配置成0.01mM、0.05mM、0.1mM和0.5mM的处理液作对黄瓜种子萌发抑制实验,取100粒测试物种种子均匀摆放在铺有两层滤纸、大小15×20cm发芽盒,加10ml不同浓度处理液(对照组为去离子水),每个处理设置3个重复。培养条件为光周期25℃,12h;暗周期15℃,12h。种子萌发以胚根突破种皮为标准,第四天和第八天记录黄瓜种子发芽数。0.01m处理液可以加速黄瓜种子萌发过程,种子发芽势增加40%,种子发芽率数据无变化;0.5mM处理液显著抑制黄瓜种子萌发过程,种子发芽势降低43%,种子发芽率降低38%。用0.01mM、0.05mM、0.1mM和0.5mM的处理液作对黄瓜实生苗生长抑制实验,取胚根突破种皮种子100粒均匀摆放在铺有两层滤纸、大小15×20cm发芽盒,加入10ml不同浓度处理液(对照组为去离子水),每个处理设置3个重复。培养条件为光周期25℃,12h;暗周期15℃,12h。每隔一天从发芽盒中随机取5粒种子测其胚根、胚芽长度及鲜重,共测6次。0.01m处理液可以加速黄瓜实生苗生长,胚根长度增加47%、胚芽长度增加56%、鲜重增加60%;0.5mM处理液显著降低黄瓜实生苗生长,胚根长度降低75%、胚芽长度降低61%、鲜重降低55%。

Claims (2)

1.乙二醇二-8-(4-羟基-1-四氢萘酮)醚,其特征在于分子式为C22H22O6,结构式为:熔点310-312K,溶于水、乙醇、丙酮及氯仿,为外消旋体。
2.权利要求1所述的乙二醇二-8-(4-羟基-1-四氢萘酮)醚的合成方法,其特征在于步骤如下:
(1)将0.27g 4,8-二苯甲酰酯基-1-四氢萘酮溶于12-15ml甲醇,加0.12-0.17g碳酸铯搅拌均匀,室温反应2h,除去甲醇,每次15ml乙酸乙酯萃取,共萃取三次,合并萃取液,用35-45ml饱和食盐水除盐,减压浓缩至干燥,以重量比1:1与300-400目硅胶混匀,过200-300目硅胶柱,1:5-7的乙酸乙酯:石油醚洗脱,得到淡黄色粒状晶体:4-苯甲酰基-8-羟基-1-四氢萘酮,其分子式为C17H14O4
(2)将上述C17H14O4溶于12-15ml无水四氢呋喃,加入1.2当量的氢化钠,室温下反应30min,再加入5-7ml二溴乙烷,升温至50℃反应90-120min,氯化铵淬灭反应,减压浓缩至干,用体积比1:1的乙酸乙酯和水混合液25-40ml萃取,有机相用30-50ml饱和食盐水除盐,35-40g无水硫酸钠除水后,减压浓缩至干,得淡黄色粒状晶体:乙二醇二-8-(4-苯甲酰基-1-四氢萘酮)醚,其分子式为C36H30O6
(3)将上述C36H30O6溶于10-12ml甲醇,加入1当量的盐酸,室温下反应4h,除去甲醇,每次20-25ml乙酸乙酯萃取,共萃取三次,合并萃取液,用30-50ml饱和食盐水除盐,减压浓缩至干燥,以重量比1:1与300-400目硅胶混匀,过200-300目硅胶柱,乙酸乙酯洗脱,得到乙二醇二-8-(4-羟基-1-四氢萘酮)醚无色粒状晶体。
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Publication number Priority date Publication date Assignee Title
CN102219664A (zh) * 2011-04-26 2011-10-19 安徽农业大学 一种从山核桃外果皮中提取核桃酮及制备核桃酮标准品的方法

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CN102219664A (zh) * 2011-04-26 2011-10-19 安徽农业大学 一种从山核桃外果皮中提取核桃酮及制备核桃酮标准品的方法

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