IN169639B - - Google Patents
Info
- Publication number
- IN169639B IN169639B IN551/CAL/88A IN551CA1988A IN169639B IN 169639 B IN169639 B IN 169639B IN 551CA1988 A IN551CA1988 A IN 551CA1988A IN 169639 B IN169639 B IN 169639B
- Authority
- IN
- India
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
- C07D307/26—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D307/30—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member 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
- C07D307/32—Oxygen atoms
- C07D307/33—Oxygen atoms in position 2, the oxygen atom being in its keto or unsubstituted enol form
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Furan Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP88110571A EP0348549A1 (en) | 1988-07-01 | 1988-07-01 | Improved process for the preparation of substituted furanones |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN169639B true IN169639B (da) | 1991-11-23 |
Family
ID=8199094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN551/CAL/88A IN169639B (da) | 1988-07-01 | 1988-07-04 |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0348549A1 (da) |
| IN (1) | IN169639B (da) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2647717B2 (ja) * | 1989-06-06 | 1997-08-27 | 宇部興産株式会社 | α―（ω―シアノアルカノイル）―γ―ブチロラクトンおよびその製法 |
| EP1911752A1 (en) * | 2006-10-03 | 2008-04-16 | Lonza Ag | Process for the preparation of butyrolactones |
| CN110669029A (zh) * | 2019-10-25 | 2020-01-10 | 安徽金轩科技有限公司 | 呋喃酮合成环保工艺设备 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2443827A (en) * | 1945-02-17 | 1948-06-22 | Us Ind Chemicals Inc | Preparation of acetylbutyrolactone |
| GB740993A (en) * | 1953-03-18 | 1955-11-23 | Distillers Co Yeast Ltd | Production of gamma-lactones |
-
1988
- 1988-07-01 EP EP88110571A patent/EP0348549A1/en not_active Withdrawn
- 1988-07-04 IN IN551/CAL/88A patent/IN169639B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0348549A1 (en) | 1990-01-03 |