BR8300657A - Processo para preparacao de 2, 3-di-hidro-2,2-dimetil-7-hidroxibenzofurano - Google Patents
Processo para preparacao de 2, 3-di-hidro-2,2-dimetil-7-hidroxibenzofuranoInfo
- Publication number
- BR8300657A BR8300657A BR8300657A BR8300657A BR8300657A BR 8300657 A BR8300657 A BR 8300657A BR 8300657 A BR8300657 A BR 8300657A BR 8300657 A BR8300657 A BR 8300657A BR 8300657 A BR8300657 A BR 8300657A
- Authority
- BR
- Brazil
- Prior art keywords
- hydroxybenzofuran
- hydro
- dimethyl
- preparation
- Prior art date
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
-
- 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
- C07D307/79—Benzo [b] furans; Hydrogenated benzo [b] furans with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Furan Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/349,804 US4380654A (en) | 1982-02-18 | 1982-02-18 | Process for preparation of 2,3-dihydro-2,2-dimethyl-7-hydroxybenzofuran |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8300657A true BR8300657A (pt) | 1983-11-08 |
Family
ID=23374038
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8300657A BR8300657A (pt) | 1982-02-18 | 1983-02-09 | Processo para preparacao de 2, 3-di-hidro-2,2-dimetil-7-hidroxibenzofurano |
Country Status (8)
Country | Link |
---|---|
US (1) | US4380654A (pt) |
EP (1) | EP0090679B1 (pt) |
JP (1) | JPS5953269B2 (pt) |
KR (1) | KR860000282B1 (pt) |
BR (1) | BR8300657A (pt) |
DE (1) | DE3364591D1 (pt) |
IL (1) | IL67855A (pt) |
IN (1) | IN159474B (pt) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4451662A (en) * | 1981-09-01 | 1984-05-29 | Otsuka Kagaku Yakuhin Kabushiki Kaisha | Process for preparing 2,3-dihydro-2,2-dimethyl-7-hydroxybenzofuran |
DE3136810A1 (de) * | 1981-09-16 | 1983-03-31 | Bayer Ag, 5090 Leverkusen | Verfahren zur isolierung von dihydroxybenzol-monoethern aus reaktionsgemischen |
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 |
US4639536A (en) * | 1984-08-30 | 1987-01-27 | Union Carbide Corporation | Intermediate, its synthesis, and its use in a process for the preparation of 2,3-dihydro-2,2-dimethyl-7-hydroxybenzofuran |
WO2012173842A2 (en) * | 2011-06-13 | 2012-12-20 | Fmc Corporation | Purification process for para-methallylpyrocatechol |
CN114213371A (zh) * | 2021-12-29 | 2022-03-22 | 江苏三吉利化工股份有限公司 | 一种镁系路易斯酸催化合成呋喃酚的方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US3356690A (en) * | 1965-02-04 | 1967-12-05 | Fmc Corp | Synthesis of 2, 3-dihydro-2, 2-dimethyl-7-benzofuranyl nu-methylcarbamate |
NL130299C (pt) * | 1965-03-01 | |||
US3419579A (en) * | 1966-02-23 | 1968-12-31 | Fmc Corp | Synthesis of 2,3-dihydro-2,2-dimethyl-7-benzofuranol |
US3547955A (en) * | 1966-11-25 | 1970-12-15 | Fmc Corp | 2,3-dihydro-2,2-dimethyl-7-benzofuranyl n-(dimethylamino) carbamate |
HU173437B (hu) | 1976-03-30 | 1979-05-28 | Chinoin Gyogyszer Es Vegyeszet | Sposob proizvodstva proizvodnykh benzofurana |
US4118400A (en) * | 1977-09-22 | 1978-10-03 | Fmc Corporation | Process for preparing 2,3-dihydro-7-benzofuranols and benzodioxole intermediate therefor |
IL58661A (en) * | 1978-11-30 | 1983-11-30 | Philagro Sa | Process for the preparation of 2,3-dihydro-2,2-dimethyl-7-hydroxybenzofuran |
FR2461708A1 (fr) * | 1979-07-18 | 1981-02-06 | Rhone Poulenc Agrochimie | Preparation de dihydrodimethylhydroxy-7 benzofurane |
DE2932458A1 (de) * | 1979-08-10 | 1981-02-26 | Bayer Ag | Herstellung von monoalkylethern von hydroxyphenolen und deren umwandlung zu hydroxycumaranen |
FR2470768A1 (fr) * | 1979-12-07 | 1981-06-12 | Rhone Poulenc Agrochimie | Procede de preparation de derives de benzofuranne |
-
1982
- 1982-02-18 US US06/349,804 patent/US4380654A/en not_active Expired - Fee Related
-
1983
- 1983-01-28 IN IN53/DEL/83A patent/IN159474B/en unknown
- 1983-02-07 IL IL67855A patent/IL67855A/xx unknown
- 1983-02-09 BR BR8300657A patent/BR8300657A/pt not_active IP Right Cessation
- 1983-02-15 JP JP58022246A patent/JPS5953269B2/ja not_active Expired
- 1983-02-16 KR KR1019830000627A patent/KR860000282B1/ko not_active IP Right Cessation
- 1983-02-17 DE DE8383400334T patent/DE3364591D1/de not_active Expired
- 1983-02-17 EP EP83400334A patent/EP0090679B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0090679A1 (en) | 1983-10-05 |
KR860000282B1 (ko) | 1986-03-26 |
US4380654A (en) | 1983-04-19 |
IN159474B (pt) | 1987-05-23 |
IL67855A (en) | 1986-02-28 |
IL67855A0 (en) | 1983-06-15 |
KR840003623A (ko) | 1984-09-15 |
EP0090679B1 (en) | 1986-07-23 |
JPS58152878A (ja) | 1983-09-10 |
DE3364591D1 (en) | 1986-08-28 |
JPS5953269B2 (ja) | 1984-12-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Lapse due to non-payment of fees (art. 50) |