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KR890003665A - Method for preparing 3,3-dimethyl-4-pentenophosphate - Google Patents

Method for preparing 3,3-dimethyl-4-pentenophosphate Download PDF

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Publication number
KR890003665A
KR890003665A KR870009244A KR870009244A KR890003665A KR 890003665 A KR890003665 A KR 890003665A KR 870009244 A KR870009244 A KR 870009244A KR 870009244 A KR870009244 A KR 870009244A KR 890003665 A KR890003665 A KR 890003665A
Authority
KR
South Korea
Prior art keywords
acid
amount
dimethyl
palladium
following general
Prior art date
Application number
KR870009244A
Other languages
Korean (ko)
Other versions
KR900007512B1 (en
Inventor
김용주
김원섭
Original Assignee
허신구
주식회사 럭키
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 허신구, 주식회사 럭키 filed Critical 허신구
Priority to KR1019870009244A priority Critical patent/KR900007512B1/en
Priority to JP63191991A priority patent/JPS6463542A/en
Priority to US07/225,839 priority patent/US5189202A/en
Publication of KR890003665A publication Critical patent/KR890003665A/en
Application granted granted Critical
Publication of KR900007512B1 publication Critical patent/KR900007512B1/en

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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
    • C07C57/03—Monocarboxylic acids
    • 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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

내용 없음No content

Description

3,3-디메틸-4-펜테노인산의 제조방법Method for preparing 3,3-dimethyl-4-pentenophosphate

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (5)

3,3-디메틸-4-펜테노인산을 제조하는데 있어서, 이소프레놀과 프레놀의 조성비가 9.5:0.5 내지 4:6인 혼합물을 수소, 팔라듐, 셀레늄 및 산촉매하에서 다음 일반식(II)로 표시되는 트리에틸 오르토 아세테이트(TOA)와 반응시켜서 다음 일반식(III)으로 표시되는 에스테르화합물을 제조한 후, 이를 가수분해시키는 것을 특징으로 하는 다음 일반식(I)로 표시되느 3.3-디메틸-4-펜테노인산의 제조방법.In preparing 3,3-dimethyl-4-pentenophosphoric acid, a mixture of isoprenol and prenol having a composition ratio of 9.5: 0.5 to 4: 6 is represented by the following general formula (II) under hydrogen, palladium, selenium and an acid catalyst. 3.3-Dimethyl-4 represented by the following general formula (I), which is reacted with triethyl ortho acetate (TOA) to produce an ester compound represented by the following general formula (III), and is then hydrolyzed. Preparation of pentenophosphoric acid. 상기식에서, R은 에틸기이거나 3-메틸-3-부테닐기 또는 3-메틸-2-부테닐기이다.Wherein R is an ethyl group or a 3-methyl-3-butenyl group or a 3-methyl-2-butenyl group. 제 1항에 있어서, 상기 산촉매는 페놀, 벤조산, 인산, P-톨루엔 설폰산, 메틸초산 임을 특징으로 하는 방법.The method of claim 1, wherein the acid catalyst is phenol, benzoic acid, phosphoric acid, P-toluene sulfonic acid, methyl acetate. 제 1항 또는 제 2항에 있어서, 상기 산촉매에 사용량은 상기 일반식(II)의 화합물에 대하여 0.1 내지 5몰%임을 특징으로 하는 방법.The method according to claim 1 or 2, wherein the amount of the acid catalyst used is 0.1 to 5 mol% based on the compound of formula (II). 제 1항에 있어서, 상기 팔라듐은 그 사용량이 상기 일반식(II)의 화합물에 대하여 0.1 내지 10몰%임을 특징으로 하는 방법.The method of claim 1, wherein the palladium is used in the amount of 0.1 to 10 mol% based on the compound of formula (II). 제 1항에 있어서, 상기 셀레늄의 사용량은 팔라듐의 사용량에 대하여 0.1 내지 20%몰임을 특징으로 하는 방법.The method of claim 1, wherein the amount of selenium used is 0.1 to 20% mole based on the amount of palladium used. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870009244A 1987-07-30 1987-08-24 Process for the preparation of 3,3-dimethyl-4-pentenoic acid KR900007512B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019870009244A KR900007512B1 (en) 1987-08-24 1987-08-24 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
US07/225,839 US5189202A (en) 1987-07-30 1988-07-29 Process for the preparation of 3,3-dimethyl-4-pentenoic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019870009244A KR900007512B1 (en) 1987-08-24 1987-08-24 Process for the preparation of 3,3-dimethyl-4-pentenoic acid

Publications (2)

Publication Number Publication Date
KR890003665A true KR890003665A (en) 1989-04-17
KR900007512B1 KR900007512B1 (en) 1990-10-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870009244A KR900007512B1 (en) 1987-07-30 1987-08-24 Process for the preparation of 3,3-dimethyl-4-pentenoic acid

Country Status (1)

Country Link
KR (1) KR900007512B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100778424B1 (en) * 2006-02-23 2007-11-28 주식회사 삼정산업 Acid cleaning agent for metal materials

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100778424B1 (en) * 2006-02-23 2007-11-28 주식회사 삼정산업 Acid cleaning agent for metal materials

Also Published As

Publication number Publication date
KR900007512B1 (en) 1990-10-11

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