ZA9410244B - Method of synthesizing gamma pyrones - Google Patents

Method of synthesizing gamma pyrones

Info

Publication number
ZA9410244B
ZA9410244B ZA9410244A ZA9410244A ZA9410244B ZA 9410244 B ZA9410244 B ZA 9410244B ZA 9410244 A ZA9410244 A ZA 9410244A ZA 9410244 A ZA9410244 A ZA 9410244A ZA 9410244 B ZA9410244 B ZA 9410244B
Authority
ZA
South Africa
Prior art keywords
synthesizing gamma
pyrones
gamma pyrones
synthesizing
gamma
Prior art date
Application number
ZA9410244A
Other languages
English (en)
Inventor
Fu-Ning Fung
Bruce A Hay
James E Swenarton
Original Assignee
Pfizer
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 Pfizer filed Critical Pfizer
Publication of ZA9410244B publication Critical patent/ZA9410244B/xx

Links

Classifications

    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Light Receiving Elements (AREA)
  • Luminescent Compositions (AREA)
ZA9410244A 1994-01-31 1994-12-22 Method of synthesizing gamma pyrones ZA9410244B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18947894A 1994-01-31 1994-01-31

Publications (1)

Publication Number Publication Date
ZA9410244B true ZA9410244B (en) 1996-06-24

Family

ID=22697509

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9410244A ZA9410244B (en) 1994-01-31 1994-12-22 Method of synthesizing gamma pyrones

Country Status (16)

Country Link
US (1) US5908941A (zh)
EP (1) EP0741717A1 (zh)
JP (1) JPH09501699A (zh)
CN (1) CN1142821A (zh)
AU (1) AU695469B2 (zh)
BR (1) BR9408521A (zh)
CA (1) CA2181463A1 (zh)
FI (1) FI963018A (zh)
IL (1) IL112013A0 (zh)
MY (1) MY131725A (zh)
NO (1) NO963187L (zh)
NZ (1) NZ276786A (zh)
RU (1) RU2109739C1 (zh)
TW (1) TW354786B (zh)
WO (1) WO1995020584A1 (zh)
ZA (1) ZA9410244B (zh)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100401783B1 (ko) * 1995-12-12 2004-01-28 주식회사 두산콘프로덕츠코리아 향미증진제말톨의제조방법
PE20081596A1 (es) * 2007-03-28 2009-02-05 Apotex Technologies Inc Derivados fluorinados de deferiprona
KR101490721B1 (ko) 2008-04-25 2015-02-06 아포텍스 테크놀로지스 인크. 감칠맛을 가진 디페리프론용 액상 제제
CN101585822B (zh) * 2009-06-26 2011-05-18 滁州学院 一种乙基麦芽酚的合成方法
SG177462A1 (en) * 2009-07-03 2012-02-28 Apotex Technologies Inc Fluorinated derivatives of 3-hydroxypyridin-4-ones
CN103755667B (zh) * 2014-01-27 2016-01-20 苏州大学 一种手性3-（2-硝基乙基）四氢呋喃化合物及其制备方法
CN104387355B (zh) * 2014-09-27 2016-06-08 安徽金禾实业股份有限公司 一种乙基麦芽酚结晶母液回收方法
CN105906597B (zh) * 2016-05-11 2018-05-04 广东省肇庆香料厂有限公司 一种乙基麦芽酚的合成工艺
CN108947950A (zh) * 2018-07-27 2018-12-07 重庆华控康乐药物研究有限公司 一种天然麦芽酚的制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4342697A (en) * 1975-08-28 1982-08-03 Pfizer Inc. Preparation of gamma-pyrones
US4390709A (en) * 1976-11-11 1983-06-28 Pfizer Inc. Preparation of gamma-pyrones
US4126624A (en) * 1976-11-12 1978-11-21 Pfizer Inc. Preparation of gamma-pyrones from 3-substituted furans
US4435584A (en) * 1981-10-14 1984-03-06 Pfizer Inc. Preparation of gamma-pyrones
US4451661A (en) * 1982-04-26 1984-05-29 Pfizer Inc. Preparation of gamma-pyrone intermediates

Also Published As

Publication number Publication date
FI963018A0 (fi) 1996-07-30
AU695469B2 (en) 1998-08-13
BR9408521A (pt) 1997-08-19
WO1995020584A1 (en) 1995-08-03
EP0741717A1 (en) 1996-11-13
MY131725A (en) 2007-08-30
CA2181463A1 (en) 1995-08-03
NO963187L (no) 1996-09-30
IL112013A0 (en) 1995-03-15
JPH09501699A (ja) 1997-02-18
AU1117795A (en) 1995-08-15
TW354786B (en) 1999-03-21
NO963187D0 (no) 1996-07-30
RU2109739C1 (ru) 1998-04-27
FI963018A (fi) 1996-07-30
CN1142821A (zh) 1997-02-12
US5908941A (en) 1999-06-01
NZ276786A (en) 1998-05-27

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