KR910011825A - Novel salicylic acid maltol ester derivative and preparation method thereof - Google Patents

Novel salicylic acid maltol ester derivative and preparation method thereof

Info

Publication number
KR910011825A
KR910011825A KR1019890018275A KR890018275A KR910011825A KR 910011825 A KR910011825 A KR 910011825A KR 1019890018275 A KR1019890018275 A KR 1019890018275A KR 890018275 A KR890018275 A KR 890018275A KR 910011825 A KR910011825 A KR 910011825A
Authority
KR
South Korea
Prior art keywords
formula
compound
preparation
salicylic acid
ester derivative
Prior art date
Application number
KR1019890018275A
Other languages
Korean (ko)
Other versions
KR950013255B1 (en
Inventor
한병훈
Original Assignee
한병훈
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 한병훈 filed Critical 한병훈
Priority to KR1019890018275A priority Critical patent/KR950013255B1/en
Publication of KR910011825A publication Critical patent/KR910011825A/en
Application granted granted Critical
Publication of KR950013255B1 publication Critical patent/KR950013255B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
    • C07D309/34—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
    • C07D309/36—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with oxygen atoms directly attached to ring carbon atoms
    • C07D309/40—Oxygen atoms attached in positions 3 and 4, e.g. maltol

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Abstract

내용 없음.No content.

Description

신규 살리실산 말톨에스테르 유도체 및 그 제조방법Novel salicylic acid maltol ester derivative and preparation method thereof

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제 1 도는 아세틸살리실산의 말톨에스테르의 NMR 챠트이며,1 is an NMR chart of maltol esters of acetylsalicylic acid,

Claims (3)

다음 구조식의 화합물A compound of formula 식중 R은 수소, 탄산소수 1-4의 저급알킬 또는 탄소수 1-5의 저급알카노일이며, R1은 수소, 또는 탄소수 1-4의 저급알킬기이다.In the formula, R is hydrogen, lower alkyl of 1-4 carbon atoms or lower alkanoyl of 1-5 carbon atoms, and R 1 is hydrogen or lower alkyl group of 1-4 carbon atoms. 다음 구조식(Ⅱ)의 화합물 또는 그 활성화 유도체를 다음 구조식(Ⅲ)의 화합물 또는 그 활성화 유도체와 반응시켜서 다음 구조식(Ⅰ)의 화합물을 제조하는 방법.A method for preparing a compound of formula (I) by reacting a compound of formula (II) or an active derivative thereof with a compound of formula (III) or an active derivative thereof. 식중 R은 수소, 탄소수 1-4의 저급알킬, 또는 탄소수 1-5의 저급알카노일이며, R1은 수소 또는 탄소수 1-4의 저급알킬이다.Wherein R is hydrogen, lower alkyl having 1-4 carbons, or lower alkanoyl having 1-5 carbons, and R 1 is hydrogen or lower alkyl having 1-4 carbons. R이 저급 알카노일기인 다음 구조식(Ⅰ)의 화합물을 효소에 의한 분해방법으로 처리하여 R이 H인 구조식(Ⅰ)화합물을 제조하는 방법.A process for preparing a compound of formula (I) wherein R is H by treating a compound of the following formula (I) wherein R is a lower alkanoyl group by an enzyme decomposition method. R : 탄소수 1-5의 저급알카노일R: lower alkanoyl of 1-5 carbon atoms R : HR: H ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890018275A 1989-12-11 1989-12-11 Novel salicylic acid maltol ester derivatives and its preparation KR950013255B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890018275A KR950013255B1 (en) 1989-12-11 1989-12-11 Novel salicylic acid maltol ester derivatives and its preparation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890018275A KR950013255B1 (en) 1989-12-11 1989-12-11 Novel salicylic acid maltol ester derivatives and its preparation

Publications (2)

Publication Number Publication Date
KR910011825A true KR910011825A (en) 1991-08-07
KR950013255B1 KR950013255B1 (en) 1995-10-26

Family

ID=19292732

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890018275A KR950013255B1 (en) 1989-12-11 1989-12-11 Novel salicylic acid maltol ester derivatives and its preparation

Country Status (1)

Country Link
KR (1) KR950013255B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100483113B1 (en) * 2002-09-17 2005-04-14 주식회사 태평양 Kojyl Benzoate derivatives and Preparation method thereof, and cosmetic composition containing thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100483113B1 (en) * 2002-09-17 2005-04-14 주식회사 태평양 Kojyl Benzoate derivatives and Preparation method thereof, and cosmetic composition containing thereof

Also Published As

Publication number Publication date
KR950013255B1 (en) 1995-10-26

Similar Documents

Publication Publication Date Title
KR850006939A (en) Method for preparing acyl tripeptides
KR850001199A (en) Preparation of 1,8-naphthyridine derivative
KR850001905A (en) Method for preparing benzocyclo alkan derivatives
KR860004088A (en) Process for preparing fifluoro alkyl vinyl polymer
KR830005092A (en) New derivatives of cyclopropane carboxylic acid
KR850001724A (en) Method for preparing 4-phenyl-4-oxo-butene-2-pentophosphate derivative
KR880011103A (en) Method for preparing 5-amino-4,6-dihalogenopyridine
RO81453A (en) PROCESS FOR THE PREPARATION OF ALKANE CARBOXYLIC ACID DERIVATIVES
KR870003107A (en) Method for preparing chianthine derivative
KR890006620A (en) Quinoline derivatives and their preparation
KR910011825A (en) Novel salicylic acid maltol ester derivative and preparation method thereof
KR850001766A (en) Method for preparing muramdidipeptide active ester derivative
KR870005011A (en) Method for preparing a difluorocyclostatin-containing polypeptide derivative
KR880000377A (en) Preparation method of trans hexahydro terephthalic acid ester derivative
KR920018039A (en) Novel salicylic acid maltol ester derivative and preparation method thereof
KR840003639A (en) Method for preparing isoxazolopyrimidine derivative
KR890011830A (en) Method for preparing 2-oxyimino-3-oxobutyric acid
KR850006428A (en) Method for preparing erythromycin acetate
KR850001742A (en) Process for preparing cumalic acid ester
KR880000467A (en) Method for preparing N- (4-nitro / cyano phenylthiocarbamoyl) -L-aspartyl-L-phenylalanine methyl ester
KR850008493A (en) Method for preparing N-formyl-dithiophosphonic acid amide
KR830005230A (en) N, N-dimethyl-carbamic acid-0- (4,6-dihydro-2H-thieno- [3,4-C] pyrazol-3-yl) esters and their 5-oxides and 5,5-dioxides Manufacturing Method
KR860001817A (en) Method for preparing penicillin derivative
KR860009006A (en) Method for preparing 2-thiochromenilideneacetoacetic acid ester
KR900003237A (en) Production method of polyester

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
LAPS Lapse due to unpaid annual fee