RO80924B - Procedeu pentru prepararea 2, 3-dihidro-2, 2-dimetil-7-hidroxibenzofuranului - Google Patents

Procedeu pentru prepararea 2, 3-dihidro-2, 2-dimetil-7-hidroxibenzofuranului

Info

Publication number
RO80924B
RO80924B RO102783A RO10278380A RO80924B RO 80924 B RO80924 B RO 80924B RO 102783 A RO102783 A RO 102783A RO 10278380 A RO10278380 A RO 10278380A RO 80924 B RO80924 B RO 80924B
Authority
RO
Romania
Prior art keywords
hydroxybenzofuran
dihydro
dimethyl
preparation
ortho
Prior art date
Application number
RO102783A
Other languages
English (en)
Other versions
RO80924A (ro
Inventor
Daniel Michelet
Serge Veracini
Original Assignee
Rhone-Poulenc Agrochimie
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 Rhone-Poulenc Agrochimie filed Critical Rhone-Poulenc Agrochimie
Publication of RO80924A publication Critical patent/RO80924A/ro
Publication of RO80924B publication Critical patent/RO80924B/ro

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Furan Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)

Abstract

Inventia se refera la un procedeu pentru prepararea 2,3-dihidro-2,2-dimetil-7-hidroxibenzofuranului prin încalzirea O-metilpirocatechinei sa o-metiloxifenolului la temperaturi cuprinse între 100 si 200 degree C, în prezenta de izopropilat de aluminiu, crezolat de aluminiu, eventual în prezenta unui solvent organic inert ales dintre hidrocarburi aromatice alfatice, alifatice clorurate, cicloalifatice, eteri alifatici sau armoatici, metilizobutilcetona, alcanoli inferiori, fenol.
RO102783A 1979-12-07 1980-12-05 Procedeu pentru prepararea 2, 3-dihidro-2, 2-dimetil-7-hidroxibenzofuranului RO80924B (ro)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7930645A FR2470768A1 (fr) 1979-12-07 1979-12-07 Procede de preparation de derives de benzofuranne

Publications (2)

Publication Number Publication Date
RO80924A RO80924A (ro) 1983-02-15
RO80924B true RO80924B (ro) 1983-02-28

Family

ID=9232755

Family Applications (1)

Application Number Title Priority Date Filing Date
RO102783A RO80924B (ro) 1979-12-07 1980-12-05 Procedeu pentru prepararea 2, 3-dihidro-2, 2-dimetil-7-hidroxibenzofuranului

Country Status (21)

Country Link
US (1) US4324731A (ro)
EP (1) EP0030511B1 (ro)
JP (1) JPS5697279A (ro)
KR (1) KR840001020B1 (ro)
AT (1) ATE6424T1 (ro)
BG (1) BG35188A3 (ro)
BR (1) BR8007966A (ro)
CA (1) CA1157875A (ro)
DD (1) DD155067A5 (ro)
DE (1) DE3066770D1 (ro)
DK (1) DK154140C (ro)
ES (1) ES497479A0 (ro)
FR (1) FR2470768A1 (ro)
HU (1) HU185804B (ro)
IE (1) IE51695B1 (ro)
IL (1) IL61424A (ro)
PL (1) PL136260B1 (ro)
PT (1) PT72175B (ro)
RO (1) RO80924B (ro)
SU (1) SU1153828A3 (ro)
YU (1) YU41369B (ro)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5821676A (ja) * 1981-07-29 1983-02-08 Otsuka Chem Co Ltd ２，３−ジハイドロ−２，２−ジメチル−７−ハイドロオキシベンゾフランの製造方法
JPS5835180A (ja) * 1981-08-24 1983-03-01 Otsuka Chem Co Ltd ２，３−ジハイドロ−２，２−ジメチル−７−ハイドロオキシペンゾフランの製造法
JPS5839679A (ja) * 1981-09-01 1983-03-08 Otsuka Chem Co Ltd ２，３−ジハイドロ−２，２−ジメチル−７−ハイドロオキシベンゾフランの製法
US4380654A (en) * 1982-02-18 1983-04-19 Fmc Corporation Process for preparation of 2,3-dihydro-2,2-dimethyl-7-hydroxybenzofuran
FR2536395A1 (fr) * 1982-11-18 1984-05-25 Rhone Poulenc Agrochimie Procede de preparation du dihydro-2,3 dimethyl-2,2 hydroxy-7 benzofuranne
IT1199987B (it) * 1983-02-04 1989-01-05 Brichima Spa Processo per la produzione di derivati benzofuranici
EP0127208A1 (en) * 1983-04-22 1984-12-05 ENICHIMICA SECONDARIA S.p.A. Process for preparing substituted 2,3-dihydrobenzofuran
CN101418008B (zh) * 2008-12-05 2010-12-08 湖南大学 二羧酸酚铝及其制备方法与应用
CN103562169B (zh) * 2011-06-13 2016-04-20 Fmc有限公司 对-甲代烯丙基邻苯二酚的纯化方法
CN106673967B (zh) * 2016-11-14 2020-05-22 湖南海利株洲精细化工有限公司 4-(2-甲基烯丙基)-1,2-苯二酚的制备方法
CN118146071B (zh) * 2024-03-07 2024-09-27 江苏三吉利化工股份有限公司 一种4-(2-甲基烯丙基)-1,2-苯二酚的合成工艺

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL131921C (ro) * 1963-06-28
US3474171A (en) * 1964-01-23 1969-10-21 Fmc Corp 2,2-dimethyl-2,3-dihydrobenzofuranyl-7-n-methylcarbamate
US3474170A (en) * 1964-01-23 1969-10-21 Fmc Corp Pesticidal carbamates of dihydrobenzofuranols
GB1179250A (en) * 1966-09-16 1970-01-28 Fisons Pest Control Ltd Benzofuran Derivatives
US3927118A (en) * 1973-12-21 1975-12-16 Crown Zellerbach Corp Process for monoetherification of polyhydric benzenes

Also Published As

Publication number Publication date
YU303680A (en) 1983-01-21
IE802512L (en) 1981-06-07
PL136260B1 (en) 1986-02-28
KR830004282A (ko) 1983-07-09
IL61424A (en) 1985-04-30
HU185804B (en) 1985-04-28
DE3066770D1 (en) 1984-04-05
IE51695B1 (en) 1987-02-18
ES8304109A1 (es) 1982-09-16
RO80924A (ro) 1983-02-15
EP0030511B1 (fr) 1984-02-29
PT72175A (fr) 1981-01-01
EP0030511A1 (fr) 1981-06-17
ATE6424T1 (de) 1984-03-15
DK520480A (da) 1981-06-08
YU41369B (en) 1987-02-28
FR2470768A1 (fr) 1981-06-12
CA1157875A (en) 1983-11-29
JPS5697279A (en) 1981-08-05
BG35188A3 (en) 1984-02-15
JPS6135191B2 (ro) 1986-08-12
PL228295A1 (ro) 1981-08-07
PT72175B (fr) 1982-07-05
KR840001020B1 (ko) 1984-07-20
IL61424A0 (en) 1980-12-31
DK154140B (da) 1988-10-17
BR8007966A (pt) 1981-06-23
US4324731A (en) 1982-04-13
DD155067A5 (de) 1982-05-12
SU1153828A3 (ru) 1985-04-30
FR2470768B1 (ro) 1983-02-04
ES497479A0 (es) 1982-09-16
DK154140C (da) 1989-03-06

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