DE19937019B4 - Verfahren zum Herstellen von 4-Aryl-2-butanolen aus Taxus wallichiana - Google Patents

Verfahren zum Herstellen von 4-Aryl-2-butanolen aus Taxus wallichiana Download PDF

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Publication number
DE19937019B4
DE19937019B4 DE19937019A DE19937019A DE19937019B4 DE 19937019 B4 DE19937019 B4 DE 19937019B4 DE 19937019 A DE19937019 A DE 19937019A DE 19937019 A DE19937019 A DE 19937019A DE 19937019 B4 DE19937019 B4 DE 19937019B4
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DE
Germany
Prior art keywords
extracting
ethyl acetate
residue
concentrating
alkali
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE19937019A
Other languages
German (de)
English (en)
Other versions
DE19937019A1 (de
Inventor
Sunil Kumar Chattopadhyay
Sushil Kumar
Ram Prakash Sharma
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Council of Scientific and Industrial Research
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Council of Scientific and Industrial Research
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 Council of Scientific and Industrial Research filed Critical Council of Scientific and Industrial Research
Publication of DE19937019A1 publication Critical patent/DE19937019A1/de
Application granted granted Critical
Publication of DE19937019B4 publication Critical patent/DE19937019B4/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H15/00—Compounds containing hydrocarbon or substituted hydrocarbon radicals directly attached to hetero atoms of saccharide radicals
    • C07H15/18—Acyclic radicals, substituted by carbocyclic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/004—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by obtaining phenols from plant material or from animal material
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H1/00—Processes for the preparation of sugar derivatives
    • C07H1/06—Separation; Purification
    • C07H1/08—Separation; Purification from natural products

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Biotechnology (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Molecular Biology (AREA)
  • Health & Medical Sciences (AREA)
  • Botany (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE19937019A 1999-05-14 1999-08-05 Verfahren zum Herstellen von 4-Aryl-2-butanolen aus Taxus wallichiana Expired - Fee Related DE19937019B4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN734/DEL/99 1999-05-14
IN734DE1999 IN190836B (enExample) 1999-05-14 1999-05-14

Publications (2)

Publication Number Publication Date
DE19937019A1 DE19937019A1 (de) 2000-09-21
DE19937019B4 true DE19937019B4 (de) 2009-10-29

Family

ID=11091012

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19937019A Expired - Fee Related DE19937019B4 (de) 1999-05-14 1999-08-05 Verfahren zum Herstellen von 4-Aryl-2-butanolen aus Taxus wallichiana

Country Status (4)

Country Link
US (1) US6184367B1 (enExample)
DE (1) DE19937019B4 (enExample)
GB (1) GB2349881B (enExample)
IN (1) IN190836B (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112480191A (zh) * 2020-11-30 2021-03-12 广西师范大学 一种米杨噎苷a和b单体的分离纯化方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4599403A (en) * 1985-10-07 1986-07-08 Harold Levy Method for recovery of stevioside

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
M.S.Y. Khan et al.: Planta Medica, ISSN 0032-0943, 1976, 30, 85-85 *

Also Published As

Publication number Publication date
GB2349881A (en) 2000-11-15
IN190836B (enExample) 2003-08-23
DE19937019A1 (de) 2000-09-21
GB2349881B (en) 2003-08-06
GB9918159D0 (en) 1999-10-06
US6184367B1 (en) 2001-02-06

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee
8110 Request for examination paragraph 44
8170 Reinstatement of the former position
8364 No opposition during term of opposition
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee

Effective date: 20130301