KR900007397B1 - 3,3-디메틸-4-펜테노인산의 제조방법 - Google Patents
3,3-디메틸-4-펜테노인산의 제조방법 Download PDFInfo
- Publication number
- KR900007397B1 KR900007397B1 KR1019870008318A KR870008318A KR900007397B1 KR 900007397 B1 KR900007397 B1 KR 900007397B1 KR 1019870008318 A KR1019870008318 A KR 1019870008318A KR 870008318 A KR870008318 A KR 870008318A KR 900007397 B1 KR900007397 B1 KR 900007397B1
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- KR
- South Korea
- Prior art keywords
- general formula
- acid
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- 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.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C57/00—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
- C07C57/02—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (4)
- 3, 3-디메틸-4-펜테노인산을 제조하는데 있어서, 다음일반식(II)로 표시되는 이소프레놀과 다음 일반식(III)으로 표시되는 트리에틸 오르토 아세테이트(TOA)를 산촉매하에서 반응시켜서 다음 일반식(Ⅳ)로 표시되는 에테르를 제조한 후, 이를 팔라듐(Pd/C) 및 수소 존재하에서 반응시켜 다음 일반식(V)로 표시되는 에테르로 전환시킴과 동시에 클라이센 전위반응을 통하여 다음 일반식(VI)으로 표시되는 화합물을 얻은다음, 이 화합물을 가수분해시키는 것을 특징으로 하는 다음 일반식(I)로 표시되는 3, 3-디메틸-4-펜테노인산의 제조방법.
- 제1항에 있어서, 상기 산촉매는 페놀, 인산, p-톨루엔 설폰산, 메틸초산 임을 특징으로하는 방법.
- 제1항 또는 제2항에 있어서, 상기 산촉매의 사용량은 상기 일반식(III)의 화합물에 대하여 0.1 내지 5몰%임을 특징으로하는 방법.
- 제1항에 있어서, 상기 팔라듐은 그 사용량이 상기 일반식(III)의 화합물에 대하여 0.1 내지 5몰%임을 특징으로하는 방법.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019870008318A KR900007397B1 (ko) | 1987-07-30 | 1987-07-30 | 3,3-디메틸-4-펜테노인산의 제조방법 |
| US07/225,839 US5189202A (en) | 1987-07-30 | 1988-07-29 | Process for the preparation of 3,3-dimethyl-4-pentenoic acid |
| JP63191991A JPS6463542A (en) | 1987-07-30 | 1988-07-29 | Manufacture of 3,3-dimethyl-4-pentenoic acid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019870008318A KR900007397B1 (ko) | 1987-07-30 | 1987-07-30 | 3,3-디메틸-4-펜테노인산의 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR890001936A KR890001936A (ko) | 1989-04-06 |
| KR900007397B1 true KR900007397B1 (ko) | 1990-10-08 |
Family
ID=19263420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019870008318A Expired KR900007397B1 (ko) | 1987-07-30 | 1987-07-30 | 3,3-디메틸-4-펜테노인산의 제조방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR900007397B1 (ko) |
-
1987
- 1987-07-30 KR KR1019870008318A patent/KR900007397B1/ko not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| KR890001936A (ko) | 1989-04-06 |
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