FR2525598B1 - Preparation des 2,3-dihydro-2-methyl-2,3-dialkyl-7-oxybenzofurannes - Google Patents

Preparation des 2,3-dihydro-2-methyl-2,3-dialkyl-7-oxybenzofurannes

Info

Publication number
FR2525598B1
FR2525598B1 FR838306694A FR8306694A FR2525598B1 FR 2525598 B1 FR2525598 B1 FR 2525598B1 FR 838306694 A FR838306694 A FR 838306694A FR 8306694 A FR8306694 A FR 8306694A FR 2525598 B1 FR2525598 B1 FR 2525598B1
Authority
FR
France
Prior art keywords
oxybenzofurannes
dialkyl
dihydro
methyl
preparation
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 - Lifetime
Application number
FR838306694A
Other languages
English (en)
Other versions
FR2525598A1 (fr
Inventor
Yukio Inaba
Taisei Igarashi
Susumu Tahara
Takashi Miyatake
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.)
Ube Corp
Original Assignee
Ube Industries Ltd
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
Priority claimed from JP57066286A external-priority patent/JPS58183681A/ja
Priority claimed from JP57066287A external-priority patent/JPS58183682A/ja
Application filed by Ube Industries Ltd filed Critical Ube Industries Ltd
Publication of FR2525598A1 publication Critical patent/FR2525598A1/fr
Application granted granted Critical
Publication of FR2525598B1 publication Critical patent/FR2525598B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C07D307/77—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D307/78—Benzo [b] furans; Hydrogenated benzo [b] furans
    • C07D307/86—Benzo [b] furans; Hydrogenated benzo [b] furans with an oxygen atom directly attached in position 7
FR838306694A 1982-04-22 1983-04-22 Preparation des 2,3-dihydro-2-methyl-2,3-dialkyl-7-oxybenzofurannes Expired - Lifetime FR2525598B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP57066286A JPS58183681A (ja) 1982-04-22 1982-04-22 ２，３−ジヒドロ−２−メチル−２，３−ジアルキル−７−オキシベンゾフランの製法
JP57066287A JPS58183682A (ja) 1982-04-22 1982-04-22 ２，３−ジヒドロ−２−メチル−２，３−ジアルキル−７−オキシベンゾフランの製法

Publications (2)

Publication Number Publication Date
FR2525598A1 FR2525598A1 (fr) 1983-10-28
FR2525598B1 true FR2525598B1 (fr) 1990-02-02

Family

ID=26407476

Family Applications (1)

Application Number Title Priority Date Filing Date
FR838306694A Expired - Lifetime FR2525598B1 (fr) 1982-04-22 1983-04-22 Preparation des 2,3-dihydro-2-methyl-2,3-dialkyl-7-oxybenzofurannes

Country Status (2)

Country Link
US (1) US4540800A (fr)
FR (1) FR2525598B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0123357A3 (fr) * 1983-04-22 1985-07-31 ENICHIMICA SECONDARIA S.p.A. Procédé pour la préparation du 2,3-dihydro-2,2-diméthyl-7-benzofuranol
US4761491A (en) * 1984-12-24 1988-08-02 The Dow Chemical Company Preparation of 2-substituted-1,3-dioxacycloalkanes from diols and diunsaturated ethers

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3598842A (en) * 1969-03-24 1971-08-10 Gulf Research Development Co Process for the preparation of alkylated 2,3-dihydrobenzo-furans and alkylated 2,3-dhydro-naphthofurans
US4118400A (en) * 1977-09-22 1978-10-03 Fmc Corporation Process for preparing 2,3-dihydro-7-benzofuranols and benzodioxole intermediate therefor
DE2932458A1 (de) * 1979-08-10 1981-02-26 Bayer Ag Herstellung von monoalkylethern von hydroxyphenolen und deren umwandlung zu hydroxycumaranen
JPS59108775A (ja) * 1982-12-14 1984-06-23 Ube Ind Ltd ベンゾフラノ−ルの製法

Also Published As

Publication number Publication date
FR2525598A1 (fr) 1983-10-28
US4540800A (en) 1985-09-10

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