JPS57120583A - Manufacture of 3,4-dihydro-alpha-pyrone - Google Patents

Manufacture of 3,4-dihydro-alpha-pyrone

Info

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
Application number
JP19298981A
Other languages
Japanese (ja)
Inventor
Shiyumitsuto Hansuugeoruku
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.)
Dynamit Nobel AG
Original Assignee
Dynamit Nobel AG
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 Dynamit Nobel AG filed Critical Dynamit Nobel AG
Publication of JPS57120583A publication Critical patent/JPS57120583A/en
Pending legal-status Critical Current

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
JP19298981A 1980-12-03 1981-12-02 Manufacture of 3,4-dihydro-alpha-pyrone Pending JPS57120583A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE860203C (en) * 1951-02-23 1952-12-18 Basf Ag Process for the production of lactones

Cited By (1)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
JPS5799565A (en) Manufacture of 2,3-dichlorosulfonyl- acrylonitrile
GB2087383B (en) Preparation of 1,1,1,3,3,-hexafluoropropane-2-ol
JPS57165367A (en) Manufacture of 2,3-dichloro-5-trichloromethylpyridine
JPS56161356A (en) Manufacture of 1-aminopropanediol-2,3
JPS57120536A (en) Manufacture of 1,2-dichloroethane
JPS56161357A (en) Manufacture of 1-aminopropanediol-2,3
JPS56154460A (en) Manufacture of 2,2,6,6-tetramethylpiperidone-4
JPS577469A (en) Manufacture of 2,3,5-trichloropyridine
JPS56161355A (en) Manufacture of 1-aminopropanediol-2,3
JPS56145278A (en) Manufacture of dihalogentriazinyl-aminonaphthol- compound
JPS5781473A (en) Manufacture of 1,2,4-triazole
JPS57108059A (en) Manufacture of 1,4-diamino-anthraquinone-2- sulfonic acid
JPS5732234A (en) Manufacture of 1,2-dichloroethane
JPS56161367A (en) Manufacture of 3-mercapto-propanediol-(1,2)
JPS57150637A (en) Manufacture of m,m'-dinitrobenzophenone
JPS5777647A (en) Manufacture of alpha-benzamide-alpha'- halogeno-1,1'-dianthraimide
JPS56128738A (en) Manufacture of n,n,n',n'-tetraalkylimino-bis- alkylamine
JPS57120583A (en) Manufacture of 3,4-dihydro-alpha-pyrone
JPS5753500A (en) Manufacture of 6 alpha-fluoro-delta1,4-3- ketosteroid
JPS5721376A (en) Manufacture of 4-amino-6-tert-butyl-3-mercapto- 1,2,4-triazine-5-one
JPS56123960A (en) Manufacture of 1*44diaminoo2*33dicyanoanthraquinone
NZ193642A (en) Manufacture of 2,2-dichloro-5-methyl-1,1,1-trifluorohex-4-ene
JPS5777632A (en) Manufacture of 1-brom-3,5-dichlorobenzole
JPS57108044A (en) Manufacture of 3,5-dimethylaniline
JPS57193492A (en) Manufacture of o,s-dialkylphosphoroamidothioates