HK1123802A1 - Preparation of 3-o-alkyl-5,6-0(1-methylethylidine)-l-ascorbic acid and method of producing 5,6-0-(1-methylethylidene)-l-ascorbic acid - Google Patents

Preparation of 3-o-alkyl-5,6-0(1-methylethylidine)-l-ascorbic acid and method of producing 5,6-0-(1-methylethylidene)-l-ascorbic acid

Info

Publication number
HK1123802A1
HK1123802A1 HK09103619.6A HK09103619A HK1123802A1 HK 1123802 A1 HK1123802 A1 HK 1123802A1 HK 09103619 A HK09103619 A HK 09103619A HK 1123802 A1 HK1123802 A1 HK 1123802A1
Authority
HK
Hong Kong
Prior art keywords
ascorbic acid
methylethylidine
methylethylidene
alkyl
producing
Prior art date
Application number
HK09103619.6A
Other languages
English (en)
Inventor
Teruo Kutsuma
Original Assignee
Nippon Hypox Lab Inc
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 Nippon Hypox Lab Inc filed Critical Nippon Hypox Lab Inc
Publication of HK1123802A1 publication Critical patent/HK1123802A1/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/34—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D307/56—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D307/62—Three oxygen atoms, e.g. ascorbic acid
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/67—Vitamins
    • A61K8/676—Ascorbic acid, i.e. vitamin C
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin
    • A61Q19/004—Aftersun preparations
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q7/00—Preparations for affecting hair growth

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Dermatology (AREA)
  • Birds (AREA)
  • Epidemiology (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Furan Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
HK09103619.6A 2007-04-18 2009-04-20 Preparation of 3-o-alkyl-5,6-0(1-methylethylidine)-l-ascorbic acid and method of producing 5,6-0-(1-methylethylidene)-l-ascorbic acid HK1123802A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007109387A JP2008266172A (ja) 2007-04-18 2007-04-18 ３−ｏ−アルキル−５，６−ｏ−（１−メチルエチリデン）−ｌ−アスコルビン酸の製造方法および５，６−ｏ−（１−メチルエチリデン）−ｌ−アスコルビン酸の製造方法

Publications (1)

Publication Number Publication Date
HK1123802A1 true HK1123802A1 (en) 2009-06-26

Family

ID=40046187

Family Applications (1)

Application Number Title Priority Date Filing Date
HK09103619.6A HK1123802A1 (en) 2007-04-18 2009-04-20 Preparation of 3-o-alkyl-5,6-0(1-methylethylidine)-l-ascorbic acid and method of producing 5,6-0-(1-methylethylidene)-l-ascorbic acid

Country Status (4)

Country Link
JP (1) JP2008266172A (xx)
KR (1) KR100974608B1 (xx)
CN (1) CN101302207B (xx)
HK (1) HK1123802A1 (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101350540B1 (ko) 2012-02-01 2014-01-14 주식회사 카이로켐 엘-3-오-알킬 아스코르빈산의 제조방법
CN103113333B (zh) * 2012-12-20 2015-07-08 浙江普洛康裕制药有限公司 一种维生素c乙基醚的合成方法
CN103588759B (zh) * 2013-11-20 2016-08-17 北京桑普生物化学技术有限公司 5,6-o-异亚丙基-l-抗坏血酸的制备工艺
CN105367524A (zh) * 2015-06-19 2016-03-02 上海珈叶实业有限公司 3-o-烷基抗坏血酸的制备方法
CN108997277A (zh) * 2018-06-29 2018-12-14 浙江拓普药业股份有限公司 一种Vc乙基醚生产方法
CN110642816A (zh) * 2019-09-25 2020-01-03 旖肽(上海)生物科技有限公司 结晶型3-o-乙基维生素c及其制备方法和应用

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1014244B (zh) * 1983-10-28 1991-10-09 武田药品工业株式会社 (s)-甘油醛丙酮化合物的制备方法
US5061812A (en) * 1989-07-20 1991-10-29 Nippon Hypox Laboratories Incorporated Ascorbic acid derivative
KR100548989B1 (ko) 2003-04-09 2006-02-08 (주)코스몰 3-o-치환된-아스코르빈산의 제조방법

Also Published As

Publication number Publication date
KR20080093871A (ko) 2008-10-22
CN101302207A (zh) 2008-11-12
JP2008266172A (ja) 2008-11-06
CN101302207B (zh) 2011-03-09
KR100974608B1 (ko) 2010-08-09

Similar Documents

Publication Publication Date Title
EP2147733A4 (en) METHOD FOR PRODUCING A SILVER-BASED NANOSTRUCTURE AND SILVER-CONTAINING NANOSTRUCTURE
ZA200907928B (en) Synethoc bile acid composition, method, and preparation
EP3284772B8 (en) Thioethers, methods for their preparation, and compositions including such thioethers
IL219865A0 (en) Acid salt forms of polymer-drug conjugates, compositions comprising the same, methods of producing the same and uses thereof
IL209188A (en) Sweetener, preparations containing it and methods of manufacture
AP3033A (en) Abiofuel composition, process of preparation and amethod of fueling thereof
EP2509434A4 (en) CALORIE ARMS, PROPERTY-FRIENDLY MOLDED FORMING AND MANUFACTURING METHOD
EP2313491A4 (en) METHODS, COMPOSITIONS AND SYSTEMS FOR BIOSYNTHETIC BIOPRODUCTION OF 1,4-BUTANEDIOL
IL200407A0 (en) Stable digestive enzyme compositions, methods of producing the same and uses thereof
EP2492314A4 (en) Clay-reinforced poly(lactic acid)-polyolefin alloy composition
EP2399958A4 (en) COMPOSITE CONDUCTIVE POLYMER COMPOSITION, PROCESS FOR PRODUCING THE SAME, SOLUTION CONTAINING THE COMPOSITION, AND USE OF THE COMPOSITION
EP2052043A4 (en) PROCESS FOR THE PREPARATION OF SILVER NANOPARTICLES AND SILVER INK COMPOSITIONS CONTAINING SAME
EP2090609A4 (en) METHOD FOR PRODUCING A POLYAMIDE ACID SOLUTION AND POLYAMIDE ACID SOLUTION
PL1991690T3 (pl) Sposób wytwarzania sialilowanych oligosacharydów
ZA200810206B (en) Microbiological production of 3-hydroxyisobutyric acid
EP2324064A4 (en) STRUCTURES OF HYALURONIC ACID AND / OR DERIVATIVES, METHOD OF PRODUCTION AND USE
EP2520288A4 (en) METHOD FOR PRODUCING A SOLID PREPARATION AND PREPARATION THEREOF PRODUCED BY THIS PROCESS
EP2130435B8 (en) Agent for improving alkali resistance of plant and method for improving alkali resistance of plant
SG179972A1 (en) Process for production of core-shell particles, core-shell particles, and paste composition and sheet composition which contain same
EP2041266A4 (en) COMPOSITIONS AND METHOD FOR BUTANEAN MANUFACTURE
ZA201001018B (en) Polyamide and emollient compositions, products made therefrom, and methods of making and using such compositions and products
ZA201202387B (en) Particulate composition containing anhtdrous crystalline of 2-o-a-d-glucosyl-l-ascorbic acid,process for producing the same, and uses thereof
EP2011860A4 (en) BACTERIUM WITH ABILITY TO PRODUCE A PURINE SUBSTANCE AND PROCESS FOR PRODUCING THE PURIN SUBSTANCE
EP2399595A4 (en) IMMUNOSTIMULATING COMPOSITION AND METHOD FOR THE PRODUCTION THEREOF
HK1123802A1 (en) Preparation of 3-o-alkyl-5,6-0(1-methylethylidine)-l-ascorbic acid and method of producing 5,6-0-(1-methylethylidene)-l-ascorbic acid

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20150418