KR860000277A - Kojic acid derivatives and color whitening cosmetics containing the same - Google Patents

Kojic acid derivatives and color whitening cosmetics containing the same Download PDF

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Publication number
KR860000277A
KR860000277A KR1019840003686A KR840003686A KR860000277A KR 860000277 A KR860000277 A KR 860000277A KR 1019840003686 A KR1019840003686 A KR 1019840003686A KR 840003686 A KR840003686 A KR 840003686A KR 860000277 A KR860000277 A KR 860000277A
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KR
South Korea
Prior art keywords
kojic acid
alkyl group
same
acid derivatives
cosmetics containing
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Application number
KR1019840003686A
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Korean (ko)
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KR910005894B1 (en
Inventor
요시다까(외 1) 히가
Original Assignee
진나이 쓰네오
산쇼오 세이야꾸 가부시끼 가이샤
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Priority to KR1019840003686A priority Critical patent/KR910005894B1/en
Publication of KR860000277A publication Critical patent/KR860000277A/en
Application granted granted Critical
Publication of KR910005894B1 publication Critical patent/KR910005894B1/en

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    • 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

Abstract

내용 없음No content

Description

코지산 유도체 및 이것을 유효성분으로 하는 색백화장료(色白化粧料)Kojic acid derivatives and color whitening cosmetics containing the same

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

제1도는 본 발명의 화합물 2-(N-라우로일사르코실)옥시메틸-5-히드록시-4H-피란-4-온의 적외선 흡수 스펙트럼(뉴졸). 제2도는 동화합물의 핵자기 공명(共鳴)스펙트럼(100㎒,CDCR3)1 is an infrared absorption spectrum (New sol) of compound 2- (N-lauroyl sarcosyl) oxymethyl-5-hydroxy-4H-pyran-4-one of the present invention. 2 shows the nuclear magnetic resonance spectrum of the copper compound (100MHz, CDCR 3 ).

Claims (9)

식expression (식중 n은 1 또는 2, R1은 수소또는 저급알킬기, R2는 탄소수 7내지 21개를 가진 알킬기 또는 알케닐기를 나타낸다)로 표시되는 코지산(kojic acid)유도체의 제조방법.A process for producing a kojic acid derivative represented by (wherein n is 1 or 2, R 1 is hydrogen or lower alkyl group, R 2 is alkyl group or alkenyl group having 7 to 21 carbon atoms). 제1항에 있어서, n이 1, R1이 메틸기, R2가 탄소수 11개를 가진 알킬기를 나타내는 것을 특징으로 하는 화합물의 제조방법.The method for producing a compound according to claim 1, wherein n represents 1, R 1 represents a methyl group, and R 2 represents an alkyl group having 11 carbon atoms. 식expression (식중 n은 1 또는 2, R1은 수소또는 저급알킬기, R2는 탄소수 7내지 21개를 가진 알킬기 또는 알케닐기를 나타낸다)로 표시되는 코지산 유도체를 유효성분으로 하는 것을 특징으로하는 색백화장료.A color whitening agent comprising a kojic acid derivative represented by (wherein n is 1 or 2, R 1 is hydrogen or lower alkyl group, R 2 is alkyl group or alkenyl group having 7 to 21 carbon atoms) as an active ingredient . 제3항에 있어서,n이 1, R1이 메틸기, R2가 탄소수 11개를 가진 알킬기인 화합물을 유효성분으로 하는 것을 특징으로 하는 화장료The cosmetic according to claim 3, wherein n is 1, R 1 is a methyl group, and R 2 is an alkyl group having 11 carbon atoms as an active ingredient. ※ 참고사항 : 최초출원내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019840003686A 1984-06-28 1984-06-28 Process for preparing kojic acid derivatives KR910005894B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019840003686A KR910005894B1 (en) 1984-06-28 1984-06-28 Process for preparing kojic acid derivatives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019840003686A KR910005894B1 (en) 1984-06-28 1984-06-28 Process for preparing kojic acid derivatives

Publications (2)

Publication Number Publication Date
KR860000277A true KR860000277A (en) 1986-01-27
KR910005894B1 KR910005894B1 (en) 1991-08-06

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ID=19234356

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840003686A KR910005894B1 (en) 1984-06-28 1984-06-28 Process for preparing kojic acid derivatives

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KR (1) KR910005894B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100482668B1 (en) * 2002-06-22 2005-04-13 주식회사 태평양 Hydroxy pyranone derivative and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100482668B1 (en) * 2002-06-22 2005-04-13 주식회사 태평양 Hydroxy pyranone derivative and preparation method thereof

Also Published As

Publication number Publication date
KR910005894B1 (en) 1991-08-06

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