KR950026868A - Method for preparing 3-0-ethyl ascorbic acid - Google Patents

Method for preparing 3-0-ethyl ascorbic acid Download PDF

Info

Publication number
KR950026868A
KR950026868A KR1019940006523A KR19940006523A KR950026868A KR 950026868 A KR950026868 A KR 950026868A KR 1019940006523 A KR1019940006523 A KR 1019940006523A KR 19940006523 A KR19940006523 A KR 19940006523A KR 950026868 A KR950026868 A KR 950026868A
Authority
KR
South Korea
Prior art keywords
ascorbic acid
preparing
acid represented
ethyl
ethyl ascorbic
Prior art date
Application number
KR1019940006523A
Other languages
Korean (ko)
Inventor
박병욱
표성수
이기승
성진흥
Original Assignee
김준웅
주식회사 선경 인더스트리
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 김준웅, 주식회사 선경 인더스트리 filed Critical 김준웅
Priority to KR1019940006523A priority Critical patent/KR950026868A/en
Publication of KR950026868A publication Critical patent/KR950026868A/en

Links

Landscapes

  • Furan Compounds (AREA)

Abstract

본 발명은 항산화제 및 미백제로 유용한 다음 구조식(I)로 표시되는 3-0-에틸 아스코르브산의 제조방법에 관한 것이다.The present invention relates to a process for preparing 3-0-ethyl ascorbic acid represented by the following structural formula (I) which is useful as an antioxidant and a whitening agent.

Description

3-0-에틸 아스코르브산의 제조방법Method for preparing 3-0-ethyl ascorbic acid

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

Claims (5)

다음 구조식(II)로 표시되는 아스코르브산을 유기용매 존재하에 할로에탄 및 염기와 반응시켜 제조하는 것을 특징으로 하는 다음 구조식(I)로 표시되는 3-0-에틸 아스코르브산의 제조방법.A process for preparing 3-0-ethyl ascorbic acid represented by the following structural formula (I), which is prepared by reacting ascorbic acid represented by the following structural formula (II) with haloethane and a base in the presence of an organic solvent. 제1항에 있어서, 상기 할로에탄은 아이오도에탄, 브로모에탄 또는 클로로에탄인 것임을 특징으로 하는 상기 구조식(I)로 표시되는 3-0-에틸 아스코르브산의 제조방법.The method of claim 1, wherein the haloethane is iodoethane, bromoethane, or chloroethane. The method of preparing 3-0-ethyl ascorbic acid represented by the above formula (I). 제1항에 있어서, 상기 염기는 수산화나트륨, 수산화칼륨 또는 탄산수소나트륨임을 특징으로 하는 상기 구조식(I)로 표시되는 3-0-에틸 아스코르브산의 제조방법.The method of claim 1, wherein the base is sodium hydroxide, potassium hydroxide, or sodium hydrogen carbonate. 제1항에 있어서, 상기 유기용매는 아세토니트릴, 메탄올, 에탄올, 테트라히드로퓨란, 디옥산, 디메틸포름아미드 또는 디메틸설폭사이드임을 특징으로 하는 상기 구조식(I)로 표시되는 3-0-에틸 아스코르브산의 제조방법.The 3-0-ethyl ascorbic acid represented by the above formula (I) according to claim 1, wherein the organic solvent is acetonitrile, methanol, ethanol, tetrahydrofuran, dioxane, dimethylformamide or dimethyl sulfoxide. Manufacturing method. 제4항에 있어서, 상기 유기용매로 아세토니트릴, 테트라하이드로퓨란 또는 디옥산을 사용할 때 촉매로는 테트라부틸암모늄 하이드로겐 설페이트, 세트리마이드, 테트라부틸암모늄 플루오라이드 또는 테트라부틸암모늄 포스포늄 브로마이드를 사용하는 것을 특징으로 하는 상기 구조식(I)로 표시되는 3-0-에틸 아스코르브의 제조방법.The method of claim 4, wherein when using acetonitrile, tetrahydrofuran, or dioxane as the organic solvent, tetrabutylammonium hydrogen sulfate, cetamide, tetrabutylammonium fluoride or tetrabutylammonium phosphonium bromide is used. Method for producing 3-0-ethyl ascorb represented by the above formula (I). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940006523A 1994-03-30 1994-03-30 Method for preparing 3-0-ethyl ascorbic acid KR950026868A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940006523A KR950026868A (en) 1994-03-30 1994-03-30 Method for preparing 3-0-ethyl ascorbic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940006523A KR950026868A (en) 1994-03-30 1994-03-30 Method for preparing 3-0-ethyl ascorbic acid

Publications (1)

Publication Number Publication Date
KR950026868A true KR950026868A (en) 1995-10-16

Family

ID=66677633

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940006523A KR950026868A (en) 1994-03-30 1994-03-30 Method for preparing 3-0-ethyl ascorbic acid

Country Status (1)

Country Link
KR (1) KR950026868A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020093627A (en) * 2001-06-08 2002-12-16 가부시키가이샤 시세이도 Method of preventing darkening of skin or inhibiting melanization of melanin monomer and polymerization inhibitor of biological dihydroxyindole compound
KR100440190B1 (en) * 2001-08-23 2004-07-12 박관화 Acaviosine-glucosyl ascorbate and preparation method for the same
KR100440191B1 (en) * 2001-08-23 2004-07-12 박관화 Ascorbic acid derivatives with antioxidnat activity and high stability and preparation method for the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020093627A (en) * 2001-06-08 2002-12-16 가부시키가이샤 시세이도 Method of preventing darkening of skin or inhibiting melanization of melanin monomer and polymerization inhibitor of biological dihydroxyindole compound
KR100440190B1 (en) * 2001-08-23 2004-07-12 박관화 Acaviosine-glucosyl ascorbate and preparation method for the same
KR100440191B1 (en) * 2001-08-23 2004-07-12 박관화 Ascorbic acid derivatives with antioxidnat activity and high stability and preparation method for the same

Similar Documents

Publication Publication Date Title
BR0005488A (en) Process for the preparation of vinyl carbonate, and the use of it
ATE414094T1 (en) SUGAR COMPOUNDS
KR850006415A (en) Manufacturing method of antibacterial agent
KR950026868A (en) Method for preparing 3-0-ethyl ascorbic acid
EP1132391A4 (en) Process for the preparation of 3-sulfonyloxy-3-cephem compounds
KR950008482A (en) 1,2,3,4-tetrahydroquinoline-8-sulfonic acid chloride and acid, their preparation and use as synthetic intermediate
KR930700456A (en) Method for preparing hexahydropyridazine-1,2-dicarboxy derivative
KR850001185A (en) Method for preparing propan-2-ol derivative
KR970006322A (en) Method for producing carboxymethyl cellulose with improved saline resistance
ATE277885T1 (en) PRODUCTION OF 4-METHYL-2,3,5,6-TETRAFLUORBENZYL ALCOHOL
KR920019742A (en) Method for preparing L-proline derivative
KR960022456A (en) Novel dithiocarbamate compound and preparation method thereof
KR930007923A (en) Method for preparing chlorcinazine hydrochloride
KR920004320A (en) Method for preparing tertiary alcohol containing fluorine
KR870004015A (en) Method for preparing furan derivative
KR920018034A (en) Method of Making Melamine
KR920002599A (en) Method for preparing fluorinated purine nucleic acid
BR9704945A (en) Process for the synthesis of an aminoalkine
KR920000698A (en) Method for producing N, N-dibutylaminophenols
KR840008335A (en) How to prepare pesticide
KR910011794A (en) Method for preparing pyridine derivative
KR910006276A (en) New manufacturing method of sulfonyl urea herbicide
KR940009144A (en) Tetrabutylammonium peroxy disulfate (n-tetrabutylammonium peroxydisulfate) preparation method and use method thereof
KR960000862A (en) Process for preparing dithiocarbamate compound
KR920002542A (en) 1,4-dihydropyridine carboxylic acid derivative and preparation method thereof

Legal Events

Date Code Title Description
WITN Withdrawal due to no request for examination