GB2228482B - Preparation of alpha-alkylidene lactones - Google Patents

Preparation of alpha-alkylidene lactones

Info

Publication number
GB2228482B
GB2228482B GB9004143A GB9004143A GB2228482B GB 2228482 B GB2228482 B GB 2228482B GB 9004143 A GB9004143 A GB 9004143A GB 9004143 A GB9004143 A GB 9004143A GB 2228482 B GB2228482 B GB 2228482B
Authority
GB
United Kingdom
Prior art keywords
alpha
preparation
lactones
alkylidene
alkylidene lactones
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
GB9004143A
Other versions
GB2228482A (en
GB9004143D0 (en
Inventor
Louis Rebrovic
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.)
Henkel Corp
Original Assignee
Henkel Corp
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 Henkel Corp filed Critical Henkel Corp
Publication of GB9004143D0 publication Critical patent/GB9004143D0/en
Publication of GB2228482A publication Critical patent/GB2228482A/en
Application granted granted Critical
Publication of GB2228482B publication Critical patent/GB2228482B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D315/00—Heterocyclic compounds containing rings having one oxygen atom as the only ring hetero atom according to more than one of groups C07D303/00 - C07D313/00
    • 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
    • C07D307/58—One oxygen atom, e.g. butenolide
    • 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
    • C07D309/32—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Furan Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pyrane Compounds (AREA)
GB9004143A 1989-02-24 1990-02-23 Preparation of alpha-alkylidene lactones Expired - Fee Related GB2228482B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US31511089A 1989-02-24 1989-02-24

Publications (3)

Publication Number Publication Date
GB9004143D0 GB9004143D0 (en) 1990-04-18
GB2228482A GB2228482A (en) 1990-08-29
GB2228482B true GB2228482B (en) 1992-08-12

Family

ID=23222934

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9004143A Expired - Fee Related GB2228482B (en) 1989-02-24 1990-02-23 Preparation of alpha-alkylidene lactones

Country Status (7)

Country Link
JP (1) JPH02273668A (en)
BE (1) BE1003309A3 (en)
DE (1) DE4005516A1 (en)
FR (1) FR2643636A1 (en)
GB (1) GB2228482B (en)
IT (1) IT9067139A1 (en)
NL (1) NL9000444A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5416224A (en) * 1989-02-24 1995-05-16 Henkel Corporation Process for converting α-acyl-substituted lactones to α-alkylidene-substituted lactones
US6046185A (en) 1996-07-11 2000-04-04 Inflazyme Pharmaceuticals Ltd. 6,7-oxygenated steroids and uses related thereto
US6770658B2 (en) 1998-09-09 2004-08-03 Inflazyme Pharmaceuticals Ltd. Substituted γ-phenyl-Δ-lactams and uses related thereto

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3617177A1 (en) * 1986-05-22 1987-11-26 Basf Ag METHOD FOR PRODUCING (ALPHA) SUBSTITUTED (GAMMA) BUTYROLACTONES

Also Published As

Publication number Publication date
IT9067139A0 (en) 1990-02-23
GB2228482A (en) 1990-08-29
BE1003309A3 (en) 1992-02-25
IT9067139A1 (en) 1990-08-25
FR2643636A1 (en) 1990-08-31
DE4005516A1 (en) 1990-08-30
NL9000444A (en) 1990-09-17
GB9004143D0 (en) 1990-04-18
JPH02273668A (en) 1990-11-08

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940223