CN102757321B - 2,6-二甲氧基萘的生产方法 - Google Patents

2,6-二甲氧基萘的生产方法 Download PDF

Info

Publication number
CN102757321B
CN102757321B CN201110103310.2A CN201110103310A CN102757321B CN 102757321 B CN102757321 B CN 102757321B CN 201110103310 A CN201110103310 A CN 201110103310A CN 102757321 B CN102757321 B CN 102757321B
Authority
CN
China
Prior art keywords
production method
dimethoxynaphthalene
dimethoxy
naphthalene
sulfate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201110103310.2A
Other languages
English (en)
Other versions
CN102757321A (zh
Inventor
袁仲飞
宋勇
朱志庆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nantong Baisheng Pharmaceutical Co.,Ltd.
Original Assignee
Nantong Baisheng Chemical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nantong Baisheng Chemical Co Ltd filed Critical Nantong Baisheng Chemical Co Ltd
Priority to CN201110103310.2A priority Critical patent/CN102757321B/zh
Publication of CN102757321A publication Critical patent/CN102757321A/zh
Application granted granted Critical
Publication of CN102757321B publication Critical patent/CN102757321B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

本发明公开了一种2,6-二甲氧基萘的生产方法,将2,6-二羟基萘溶解于丁醇溶剂中,在23%浓度的氢氧化钠存在的碱性条件下与硫酸二甲酯在35℃下反应4.2小时生成2,6-二甲氧基萘。本发明的工艺路线简单,反应条件要求低,产品得率高,其纯度高达99%以上。

Description

2,6-二甲氧基萘的生产方法
技术领域
本发明涉及一种芳香族化合物的生产方法。
背景技术
CN1724498A公开了一种2,6-二甲氧基萘的生产方法,其反应条件不能成分保证反应的高收率、高纯度。
发明内容
本发明的目的在于提供一种反应时间短,产品收率高的2,6-二甲氧基萘的生产方法。
本发明的目的技术解决方案是:
一种2,6-二甲氧基萘的生产方法,其特征是:将2,6-二羟基萘溶解于丁醇溶剂中,在23%浓度的氢氧化钠存在的碱性条件下与硫酸二甲酯在35℃下反应4.2小时生成2,6-二甲氧基萘。
2,6-二羟基萘与硫酸二甲酯的投料摩尔比为1:3.2。
本发明的工艺路线简单,反应条件要求低,产品得率高,收率90%以上,其纯度高达99%以上。
具体实施方式
下面结合实施例对本发明作进一步说明。
实施例1:
一种2,6-二甲氧基萘的生产方法,将2,6-二羟基萘溶解于丁醇溶剂中,在23%浓度的氢氧化钠存在的碱性条件下与硫酸二甲酯在35℃下反应4.2小时生成2,6-二甲氧基萘。2,6-二羟基萘与硫酸二甲酯的投料摩尔比为1:3.2。

Claims (1)

1.一种2,6-二甲氧基萘的生产方法,其特征是:将2,6-二羟基萘溶解于丁醇溶剂中,在23%浓度的氢氧化钠存在的碱性条件下与硫酸二甲酯在35℃下反应4.2小时生成2,6-二甲氧基萘;2,6-二羟基萘与硫酸二甲酯的投料摩尔比为1:3.2。
CN201110103310.2A 2011-04-25 2011-04-25 2,6-二甲氧基萘的生产方法 Active CN102757321B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201110103310.2A CN102757321B (zh) 2011-04-25 2011-04-25 2,6-二甲氧基萘的生产方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110103310.2A CN102757321B (zh) 2011-04-25 2011-04-25 2,6-二甲氧基萘的生产方法

Publications (2)

Publication Number Publication Date
CN102757321A CN102757321A (zh) 2012-10-31
CN102757321B true CN102757321B (zh) 2015-06-17

Family

ID=47052006

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110103310.2A Active CN102757321B (zh) 2011-04-25 2011-04-25 2,6-二甲氧基萘的生产方法

Country Status (1)

Country Link
CN (1) CN102757321B (zh)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0022166D0 (en) * 2000-09-11 2000-10-25 F2 Chemicals Ltd Fluorination method
CN1724498A (zh) * 2004-07-20 2006-01-25 南通莱嘉利化工有限公司 2,6-二甲氧基萘的生产方法

Also Published As

Publication number Publication date
CN102757321A (zh) 2012-10-31

Similar Documents

Publication Publication Date Title
MX355421B (es) Proceso para preparar fumarato de dimetilo cristalino y de alta pureza.
WO2012150155A9 (de) Verfahren zur herstellung eines kristallinen l-mgda-trialkalimetallsalzes
MX2013003123A (es) Proceso para preparar n-fenilhidroxilaminas sustituidas.
WO2011087211A3 (ko) 4-아미노메틸벤조산의 제조방법
CN102757321B (zh) 2,6-二甲氧基萘的生产方法
WO2011107843A3 (en) Process for the preparation of atazanavir sulfate substantially free of diastereomers
CN104151126B (zh) 3-蒈烯加氢合成蒈烷的方法
WO2009156279A3 (en) Process for the preparation of clopidogrel hydrogen sulfate crystalline form i
IN2013MU01466A (zh)
GB201008185D0 (en) Ferrous sulphate monohydrate
CN102382000A (zh) 一种生产d-对羟基苯甘氨酸的方法
WO2012141547A3 (ko) 활성이 증진된 변이 베타-글루코시다제 및 이를 이용한 바이오 에탄올의 제조방법
CN102285870A (zh) 2,6-二甲氧基萘的生产方法
MY155448A (en) A method for producing pure caryophyllene oxide
CN105647234A (zh) 皮革复合红棕色染料合成工艺
WO2008062447A3 (en) Improved process for gibberellic acid production with fusarium moniliforme strains
CN104817599A (zh) 一种5-羟基四氢呋喃衍生物的合成方法
CN102464576A (zh) 2,6-二甲氧基萘的生产方法
MX2009001508A (es) Un proceso novedoso para preparar ester de acido 3-amino-5-fluoro-4-dialcoxipentanoico.
CN102911098B (zh) 生产一过氧化氢二异丙苯的方法
CN102976916A (zh) 一种快速合成脂肪酸锌的新工艺
CN103318856B (zh) 一种立方氮化硼防掉电流工艺
CN101642102A (zh) 新型矮健素
CN105622393A (zh) 二氢青蒿酸合成工艺
CN103553987A (zh) 一种甲磺酰叠氮的制备方法

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 226221 No.1 Shanghai Road, Binjiang fine chemical industry park, Qidong City, Nantong City, Jiangsu Province

Patentee after: Nantong Baisheng Pharmaceutical Co.,Ltd.

Address before: 226221 No.1 Shanghai Road, Binjiang fine chemical industry park, Qidong City, Nantong City, Jiangsu Province

Patentee before: NANTONG BAISHENG CHEMICAL Co.,Ltd.

CP01 Change in the name or title of a patent holder