JPS57120583A - Manufacture of 3,4-dihydro-alpha-pyrone - Google Patents
Manufacture of 3,4-dihydro-alpha-pyroneInfo
- Publication number
- JPS57120583A JPS57120583A JP19298981A JP19298981A JPS57120583A JP S57120583 A JPS57120583 A JP S57120583A JP 19298981 A JP19298981 A JP 19298981A JP 19298981 A JP19298981 A JP 19298981A JP S57120583 A JPS57120583 A JP S57120583A
- Authority
- JP
- Japan
- Prior art keywords
- pyrone
- dihydro
- alpha
- manufacture
- 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.)
- Pending
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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D303/00—Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
- C07D303/02—Compounds containing oxirane rings
- C07D303/38—Compounds containing oxirane rings with hydrocarbon radicals, substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D303/40—Compounds containing oxirane rings with hydrocarbon radicals, substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals by ester radicals
-
- 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)
- Plural Heterocyclic Compounds (AREA)
- Furan Compounds (AREA)
- Pyrane Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19803045555 DE3045555A1 (en) | 1980-12-03 | 1980-12-03 | 3,4-Di:hydro-alpha-pyrone prodn. - from di:hydro-5-bromo:methyl-3m-furanone, useful as intermediate for pharmaceuticals, plant protection agents and dyes |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57120583A true JPS57120583A (en) | 1982-07-27 |
Family
ID=6118213
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19298981A Pending JPS57120583A (en) | 1980-12-03 | 1981-12-02 | Manufacture of 3,4-dihydro-alpha-pyrone |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS57120583A (en) |
DE (1) | DE3045555A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105254604A (en) * | 2015-11-17 | 2016-01-20 | 江西科技师范大学 | Natural product (+)-Strictifolione synthetic method |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3230274A1 (en) * | 1982-08-14 | 1984-02-16 | Bayer Ag, 5090 Leverkusen | 4,4-DIMETHYL-6-ACETOXY-VALEROLACTONE, METHOD FOR THE PRODUCTION THEREOF, INTERMEDIATE PRODUCTS THEREFOR AND ITS USE |
EP0131779A1 (en) * | 1983-07-15 | 1985-01-23 | Hüls Troisdorf Aktiengesellschaft | Method for the preparation of 3,4-dihydro-alpha pyrones |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE860203C (en) * | 1951-02-23 | 1952-12-18 | Basf Ag | Process for the production of lactones |
-
1980
- 1980-12-03 DE DE19803045555 patent/DE3045555A1/en not_active Withdrawn
-
1981
- 1981-12-02 JP JP19298981A patent/JPS57120583A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105254604A (en) * | 2015-11-17 | 2016-01-20 | 江西科技师范大学 | Natural product (+)-Strictifolione synthetic method |
Also Published As
Publication number | Publication date |
---|---|
DE3045555A1 (en) | 1982-07-01 |
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