BR6677437D0 - Processo de preparacao de 2,3-dihidro-2,2-dimetil-7-benzofuranol e novos intermediarios - Google Patents
Processo de preparacao de 2,3-dihidro-2,2-dimetil-7-benzofuranol e novos intermediariosInfo
- Publication number
- BR6677437D0 BR6677437D0 BR177437/66A BR17743766A BR6677437D0 BR 6677437 D0 BR6677437 D0 BR 6677437D0 BR 177437/66 A BR177437/66 A BR 177437/66A BR 17743766 A BR17743766 A BR 17743766A BR 6677437 D0 BR6677437 D0 BR 6677437D0
- Authority
- BR
- Brazil
- Prior art keywords
- benzofuranol
- dihydro
- dimethyl
- preparation process
- new intermediaries
- 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
- C07D307/79—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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
- C07C205/13—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by hydroxy groups
- C07C205/20—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by hydroxy groups having nitro groups and hydroxy groups bound to carbon atoms of six-membered aromatic rings
- C07C205/21—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by hydroxy groups having nitro groups and hydroxy groups bound to carbon atoms of six-membered aromatic rings having nitro groups and hydroxy groups bound to carbon atoms of the same non-condensed six-membered aromatic ring
- C07C205/22—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by hydroxy groups having nitro groups and hydroxy groups bound to carbon atoms of six-membered aromatic rings having nitro groups and hydroxy groups bound to carbon atoms of the same non-condensed six-membered aromatic ring having one nitro groups bound to the ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
- C07C205/27—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by etherified hydroxy groups
- C07C205/35—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by etherified hydroxy groups having nitro groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
- C07C205/36—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by etherified hydroxy groups having nitro groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton to carbon atoms of the same non-condensed six-membered aromatic ring or to carbon atoms of six-membered aromatic rings being part of the same condensed ring system
- C07C205/37—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by etherified hydroxy groups having nitro groups and etherified hydroxy groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton to carbon atoms of the same non-condensed six-membered aromatic ring or to carbon atoms of six-membered aromatic rings being part of the same condensed ring system the oxygen atom of at least one of the etherified hydroxy groups being further bound to an acyclic carbon atom
-
- 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)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Plural Heterocyclic Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US436279A US3320286A (en) | 1965-03-01 | 1965-03-01 | Synthesis of 2, 2-dimethyl-7-benzofuranol |
| US436169A US3412110A (en) | 1965-03-01 | 1965-03-01 | 2, 3-dihydro-2, 2-dimethyl-7-nitrobenzofuran |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR6677437D0 true BR6677437D0 (pt) | 1973-09-18 |
Family
ID=27030834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR177437/66A BR6677437D0 (pt) | 1965-03-01 | 1966-03-01 | Processo de preparacao de 2,3-dihidro-2,2-dimetil-7-benzofuranol e novos intermediarios |
Country Status (9)
| Country | Link |
|---|---|
| US (2) | US3412110A (pt) |
| BE (1) | BE677004A (pt) |
| BR (1) | BR6677437D0 (pt) |
| CH (1) | CH476718A (pt) |
| DE (1) | DE1543573B1 (pt) |
| DK (1) | DK118885B (pt) |
| GB (3) | GB1140360A (pt) |
| IL (1) | IL25144A (pt) |
| NL (2) | NL6602601A (pt) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3723472A (en) * | 1970-11-27 | 1973-03-27 | Fmc Corp | Synthesis of 2,2-dimethyl-7-benzofuranol |
| JPS525486B2 (pt) * | 1973-02-13 | 1977-02-14 | ||
| US4118400A (en) * | 1977-09-22 | 1978-10-03 | Fmc Corporation | Process for preparing 2,3-dihydro-7-benzofuranols and benzodioxole intermediate therefor |
| FR2461708A1 (fr) * | 1979-07-18 | 1981-02-06 | Rhone Poulenc Agrochimie | Preparation de dihydrodimethylhydroxy-7 benzofurane |
| US4463184A (en) * | 1981-07-31 | 1984-07-31 | Union Carbide Corporation | Process for the preparation of carbofuran |
| US4380654A (en) * | 1982-02-18 | 1983-04-19 | Fmc Corporation | Process for preparation of 2,3-dihydro-2,2-dimethyl-7-hydroxybenzofuran |
| US4576632A (en) * | 1982-06-15 | 1986-03-18 | E. I. Du Pont De Nemours And Company | Benzofuran sulfamates |
| JPS6133183A (ja) * | 1984-07-25 | 1986-02-17 | Mitsubishi Chem Ind Ltd | ２，３−ジヒドロ−７−アミノベンゾフランの製造法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2312801A (en) * | 1940-06-28 | 1943-03-02 | Rohm & Haas | Insecticide |
| US2383264A (en) * | 1943-12-10 | 1945-08-21 | American Cyanamid Co | Azo dyestuffs from 5-amino coumaran |
| US3213112A (en) * | 1956-02-17 | 1965-10-19 | Air Reduction | Tetrahydrofurans |
| US2894993A (en) * | 1957-04-26 | 1959-07-14 | Universal Oil Prod Co | Insecticides and preparation thereof |
| NL131921C (pt) * | 1963-06-28 |
-
0
- NL NL130299D patent/NL130299C/xx active
-
1965
- 1965-03-01 US US436169A patent/US3412110A/en not_active Expired - Lifetime
- 1965-03-01 US US436279A patent/US3320286A/en not_active Expired - Lifetime
-
1966
- 1966-02-09 IL IL25144A patent/IL25144A/xx unknown
- 1966-02-24 BE BE677004D patent/BE677004A/xx not_active IP Right Cessation
- 1966-02-25 DK DK101266AA patent/DK118885B/da unknown
- 1966-02-28 GB GB50305/67A patent/GB1140360A/en not_active Expired
- 1966-02-28 GB GB8602/66A patent/GB1140358A/en not_active Expired
- 1966-02-28 NL NL6602601A patent/NL6602601A/xx unknown
- 1966-02-28 GB GB50304/67A patent/GB1140359A/en not_active Expired
- 1966-03-01 CH CH290866A patent/CH476718A/de not_active IP Right Cessation
- 1966-03-01 BR BR177437/66A patent/BR6677437D0/pt unknown
- 1966-03-01 DE DE19661543573 patent/DE1543573B1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1543573B1 (de) | 1971-07-29 |
| GB1140358A (en) | 1969-01-15 |
| CH476718A (de) | 1969-08-15 |
| US3320286A (en) | 1967-05-16 |
| NL6602601A (pt) | 1966-09-02 |
| GB1140360A (en) | 1969-01-15 |
| DK118885B (da) | 1970-10-19 |
| NL130299C (pt) | |
| GB1140359A (en) | 1969-01-15 |
| US3412110A (en) | 1968-11-19 |
| BE677004A (pt) | 1966-08-24 |
| IL25144A (en) | 1970-01-29 |
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