KR850000027A - 2-(4-하이드록시페닐)-3-메틸부티르산의 제조방법 - Google Patents
2-(4-하이드록시페닐)-3-메틸부티르산의 제조방법 Download PDFInfo
- Publication number
- KR850000027A KR850000027A KR1019840003136A KR840003136A KR850000027A KR 850000027 A KR850000027 A KR 850000027A KR 1019840003136 A KR1019840003136 A KR 1019840003136A KR 840003136 A KR840003136 A KR 840003136A KR 850000027 A KR850000027 A KR 850000027A
- Authority
- KR
- South Korea
- Prior art keywords
- hours
- reaction
- hydroxide
- temperature
- hydroxyphenyl
- Prior art date
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/38—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating speed of driving mechanism of unwinding, paying-out, forwarding, winding, or depositing devices, e.g. automatically in response to variations in tension
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/08—Preparation of carboxylic acids or their salts, halides or anhydrides from nitriles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H54/00—Winding, coiling, or depositing filamentary material
- B65H54/02—Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers
- B65H54/28—Traversing devices; Package-shaping arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H67/00—Replacing or removing cores, receptacles, or completed packages at paying-out, winding, or depositing stations
- B65H67/04—Arrangements for removing completed take-up packages and or replacing by cores, formers, or empty receptacles at winding or depositing stations; Transferring material between adjacent full and empty take-up elements
- B65H67/044—Continuous winding apparatus for winding on two or more winding heads in succession
- B65H67/048—Continuous winding apparatus for winding on two or more winding heads in succession having winding heads arranged on rotary capstan head
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/367—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by introduction of functional groups containing oxygen only in singly bound form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2403/00—Power transmission; Driving means
- B65H2403/70—Clutches; Couplings
- B65H2403/73—Couplings
- B65H2403/732—Torque limiters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2553/00—Sensing or detecting means
- B65H2553/80—Arangement of the sensing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/37—Tapes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
내용 없음.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (2)
- 2-(4-클로로페닐)-3-메틸부티로니트릴을 50-80중량 %의 수성수산화나트륨 또는 칼륨으로 부터 선택된 알칼리금속 수산화물의 농수용액으로 140-200℃에서 1-10시간 또는 반응이 완결될 때까지 가수분해하여 상응하는 2-(4-클로로페닐)-3-메틸부티르산을 얻고 반응혼합물에 염화제 2구리 또는 황산구리로 부터 선택된 2-10몰 %의 구리염 수용액을 넣어주고, 온도 190-250℃, 대기압이상의 2-25㎏ ㎝-2압력하에 1-20시간 또는 반응이 완결될 때까지 가열하여 할로겐화물을 수산화물로 치환시키는 것으로 구성된 2-(4-하이드록시페닐)-3-메틸부티르산의 제조방법.
- 제1항에 있어서, 염기가 70% 수성 수산화나트륨이며, 가수분해온도가 150-160℃이며, 반응시간이 3-5시간이며 촉매가 3-5몰 %의 황산구리이며, 할로겐화물을 수산화물로 치환시키는 온도가 200-150℃이며, 압력이 4-6㎏ ㎝-2이며 반응시간시 9-11시간인 방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US501,337 | 1983-06-06 | ||
US06/501,337 US4537988A (en) | 1983-06-06 | 1983-06-06 | Process for the preparation of 2-(4-hydroxyphenyl)-3-methylbutyric acid |
Publications (1)
Publication Number | Publication Date |
---|---|
KR850000027A true KR850000027A (ko) | 1985-02-25 |
Family
ID=23993133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019840003136A KR850000027A (ko) | 1983-06-06 | 1984-06-05 | 2-(4-하이드록시페닐)-3-메틸부티르산의 제조방법 |
Country Status (11)
Country | Link |
---|---|
US (1) | US4537988A (ko) |
EP (1) | EP0130334A1 (ko) |
JP (1) | JPS606639A (ko) |
KR (1) | KR850000027A (ko) |
AU (1) | AU2907184A (ko) |
BR (1) | BR8402702A (ko) |
DK (1) | DK276984A (ko) |
ES (1) | ES8505634A1 (ko) |
HU (1) | HUT34719A (ko) |
IL (1) | IL72063A0 (ko) |
ZA (1) | ZA844223B (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100317544B1 (ko) * | 1999-10-15 | 2001-12-22 | 김순권 | 아크릴판 제조방법 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114085619B (zh) * | 2021-12-23 | 2022-07-15 | 泰州亚德胶粘制品有限公司 | 一种耐高温低粘着光学胶粘剂及其制备方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4390723A (en) * | 1980-08-29 | 1983-06-28 | Ihara Chemical Industry Co., Ltd. | Process for producing hydroxyphenyl aliphatic acid derivatives |
JPS57185234A (en) * | 1981-05-07 | 1982-11-15 | Ihara Chem Ind Co Ltd | Preparation of hydroxyphenylacetic acid |
JPS57203030A (en) * | 1981-06-05 | 1982-12-13 | Ihara Chem Ind Co Ltd | Preparation of hydroxyphenyl-substituted fatty acid |
-
1983
- 1983-06-06 US US06/501,337 patent/US4537988A/en not_active Expired - Lifetime
-
1984
- 1984-05-18 EP EP84105685A patent/EP0130334A1/en not_active Withdrawn
- 1984-06-04 DK DK276984A patent/DK276984A/da not_active Application Discontinuation
- 1984-06-05 BR BR8402702A patent/BR8402702A/pt unknown
- 1984-06-05 ES ES533134A patent/ES8505634A1/es not_active Expired
- 1984-06-05 AU AU29071/84A patent/AU2907184A/en not_active Abandoned
- 1984-06-05 KR KR1019840003136A patent/KR850000027A/ko not_active Application Discontinuation
- 1984-06-05 ZA ZA844223A patent/ZA844223B/xx unknown
- 1984-06-05 JP JP59113998A patent/JPS606639A/ja active Pending
- 1984-06-06 HU HU842193A patent/HUT34719A/hu unknown
- 1984-06-08 IL IL72063A patent/IL72063A0/xx unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100317544B1 (ko) * | 1999-10-15 | 2001-12-22 | 김순권 | 아크릴판 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
EP0130334A1 (en) | 1985-01-09 |
BR8402702A (pt) | 1985-05-14 |
US4537988A (en) | 1985-08-27 |
ZA844223B (en) | 1985-01-30 |
AU2907184A (en) | 1984-12-13 |
DK276984D0 (da) | 1984-06-04 |
HUT34719A (en) | 1985-04-28 |
ES533134A0 (es) | 1985-06-01 |
ES8505634A1 (es) | 1985-06-01 |
IL72063A0 (en) | 1984-10-31 |
DK276984A (da) | 1984-12-07 |
JPS606639A (ja) | 1985-01-14 |
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WITB | Written withdrawal of application |