KR910004606A - Ascorbic acid derivatives - Google Patents

Ascorbic acid derivatives Download PDF

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Publication number
KR910004606A
KR910004606A KR1019890011207A KR890011207A KR910004606A KR 910004606 A KR910004606 A KR 910004606A KR 1019890011207 A KR1019890011207 A KR 1019890011207A KR 890011207 A KR890011207 A KR 890011207A KR 910004606 A KR910004606 A KR 910004606A
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KR
South Korea
Prior art keywords
group
ascorbic acid
general formula
alkylcarbonylalkyl
following general
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KR1019890011207A
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Korean (ko)
Inventor
도시오 사또오
야스노리 니이로
히사오 가께가와
히또시 마쓰모또
Original Assignee
미끼 도꾸따로오
가부시끼가이샤 닛뽕 하이폭스
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Priority to KR1019890011207A priority Critical patent/KR910004606A/en
Publication of KR910004606A publication Critical patent/KR910004606A/en

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Abstract

내용 없음.No content.

Description

아스코르브산 유도체Ascorbic acid derivatives

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

Claims (9)

하기 일반식(Ia)로 나타내는 아스코르브르산 유도체.Ascorbic acid derivative represented by the following general formula (Ia). (식중, R1은 알킬카르보닐알킬기이고 X는 2개의 수소원자 또는 =C(CH3)2이다.)(Wherein R 1 is an alkylcarbonylalkyl group and X is two hydrogen atoms or = C (CH 3 ) 2 ). 제1항에 있어서, 상기 알킬카르보닐알킬기를 하기 일반식으로 나타내는 아스코르브산 유도체.The ascorbic acid derivative according to claim 1, wherein the alkylcarbonylalkyl group is represented by the following general formula. (식중 R4는 임의로 측쇄를 함유할 수 있는 알킬렌기이고 R5는 임의로 측쇄를 함유할 수 있는 알킬기이다.)(Wherein R 4 is an alkylene group which may optionally contain a side chain and R 5 is an alkyl group which may optionally contain a side chain.) 제2항에 있어서, 상기 알킬카르보닐알킬기를 -CH2-CO-CH3및 -CH2-CO-C2H5로 이루어지는 군에서 선택하는 아스코르브산 유도체.The ascorbic acid derivative according to claim 2, wherein the alkylcarbonylalkyl group is selected from the group consisting of -CH 2 -CO-CH 3 and -CH 2 -CO-C 2 H 5 . 하기 일반식(IIa)의 화합물, 또는 이 화합물을 산처리하여 수득한 하기 일반식(IIb)의 화합물을 측매환원시킴을 특징으로 하는, 하기 일반식(Ia)의 아스코르브산 유도체의 제조방법.A method for producing an ascorbic acid derivative of the general formula (Ia), characterized in that the compound of the following general formula (IIa) or the compound of the following general formula (IIb) obtained by acid treatment of the compound is subjected to side-reduction. (식중, R1은 알킬카르보닐알킬기이고 R3은 아릴알킬기이며 x는 2개의 수소원자 또는 =C(CH3)2이다.)(Wherein R 1 is an alkylcarbonylalkyl group, R 3 is an arylalkyl group and x is two hydrogen atoms or = C (CH 3 ) 2 ). 제4항에 있어서, 상기 촉매환원반응을 팔라듐-탄소분말 존재하의 수소기류 중에서 행하는 제조방법.The production process according to claim 4, wherein the catalytic reduction reaction is carried out in a hydrogen stream in the presence of palladium-carbon powder. 하기 일반식(IA)의 아스코르브산을 유도체를 함유하는 항산화제.An antioxidant containing a derivative of ascorbic acid of the following general formula (IA). (식중, R2는 알킬카르보닐알킬기, 알킬기, 아르알킬기, 히드록시카르보닐알킬기 및 알콕시카르보닐알킬기로 이루어지는 군에서 선택되는 기이고, x는 2개의 수소원자 또는 =C(CH3)2이다.)Wherein R 2 is a group selected from the group consisting of an alkylcarbonylalkyl group, an alkyl group, an aralkyl group, a hydroxycarbonylalkyl group and an alkoxycarbonylalkyl group, and x is two hydrogen atoms or = C (CH 3 ) 2 .) 제6항에 있어서, 상기 알킬기가 직쇄 또는 측쇄 알킬기인 항산화제.The antioxidant according to claim 6, wherein the alkyl group is a straight or branched alkyl group. 제5항에 있어서, 상기 아르알킬기, 히드록시카르보닐알킬기, 알콕시카르보닐알킬기 및 알킬카르로닐알킬기 중의 알킬부가 직쇄 또는 측쇄 알킬기인 항산화제.The antioxidant according to claim 5, wherein the alkyl moiety in the aralkyl group, hydroxycarbonylalkyl group, alkoxycarbonylalkyl group and alkylcarbonylalkyl group is a straight or branched chain alkyl group. 제6항에 있어서, 상기 알콕시카르보닐알킬기 중의 알콕시부가 직쇄 또는 측쇄 알킬기 및 산소원자로 이루어지는 알콕시기인 항산화제.The antioxidant according to claim 6, wherein the alkoxy portion in the alkoxycarbonylalkyl group is an alkoxy group consisting of a straight or branched chain alkyl group and an oxygen atom. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890011207A 1989-08-05 1989-08-05 Ascorbic acid derivatives KR910004606A (en)

Priority Applications (1)

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KR1019890011207A KR910004606A (en) 1989-08-05 1989-08-05 Ascorbic acid derivatives

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KR1019890011207A KR910004606A (en) 1989-08-05 1989-08-05 Ascorbic acid derivatives

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KR910004606A true KR910004606A (en) 1991-03-29

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030080869A (en) * 2002-04-11 2003-10-17 주식회사 코리아나화장품 Cosmetic Composition for Skin-Whitening Comprising Ascorbic Acid 2-Glucoside as Active Ingredient

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030080869A (en) * 2002-04-11 2003-10-17 주식회사 코리아나화장품 Cosmetic Composition for Skin-Whitening Comprising Ascorbic Acid 2-Glucoside as Active Ingredient

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