DE1593855B1 - Verfahren zur Herstellung von 2,3-Dihydro-2,2-dimethyl-7-benzofuranol - Google Patents
Verfahren zur Herstellung von 2,3-Dihydro-2,2-dimethyl-7-benzofuranolInfo
- Publication number
- DE1593855B1 DE1593855B1 DE19671593855 DE1593855A DE1593855B1 DE 1593855 B1 DE1593855 B1 DE 1593855B1 DE 19671593855 DE19671593855 DE 19671593855 DE 1593855 A DE1593855 A DE 1593855A DE 1593855 B1 DE1593855 B1 DE 1593855B1
- Authority
- DE
- Germany
- Prior art keywords
- dimethyl
- dihydro
- benzofuranol
- known per
- 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.)
- Pending
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
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
- C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
- C07C45/70—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction with functional groups containing oxygen only in singly bound form
- C07C45/71—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction with functional groups containing oxygen only in singly bound form being hydroxy groups
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Furan Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US529268A US3419579A (en) | 1966-02-23 | 1966-02-23 | Synthesis of 2,3-dihydro-2,2-dimethyl-7-benzofuranol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1593855B1 true DE1593855B1 (de) | 1972-04-27 |
Family
ID=24109191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19671593855 Pending DE1593855B1 (de) | 1966-02-23 | 1967-02-23 | Verfahren zur Herstellung von 2,3-Dihydro-2,2-dimethyl-7-benzofuranol |
Country Status (9)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US4380654A (en) * | 1982-02-18 | 1983-04-19 | Fmc Corporation | Process for preparation of 2,3-dihydro-2,2-dimethyl-7-hydroxybenzofuran |
| CA2520545C (en) | 2004-09-22 | 2009-11-24 | Irwin Industrial Tool Company | Saw blade having increased tooth stiffness and resistance to fatigue failure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2937188A (en) * | 1951-11-15 | 1960-05-17 | Gen Aniline & Film Corp | 2-methyl 2, 3-dihydrobenzofurancarboxylic acids and acid halides |
| BE649260A (US08088816-20120103-C00036.png) * | 1963-06-28 | 1964-12-15 | ||
| BE658194A (US08088816-20120103-C00036.png) * | 1964-01-23 | 1965-07-12 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3356690A (en) * | 1965-02-04 | 1967-12-05 | Fmc Corp | Synthesis of 2, 3-dihydro-2, 2-dimethyl-7-benzofuranyl nu-methylcarbamate |
-
1966
- 1966-02-23 US US529268A patent/US3419579A/en not_active Expired - Lifetime
-
1967
- 1967-01-26 IL IL27333A patent/IL27333A/xx unknown
- 1967-02-13 DK DK77867AA patent/DK115632B/da unknown
- 1967-02-14 FR FR94932A patent/FR1511399A/fr not_active Expired
- 1967-02-15 BE BE694120D patent/BE694120A/xx unknown
- 1967-02-16 GB GB7459/67A patent/GB1170333A/en not_active Expired
- 1967-02-21 NL NL6702645A patent/NL6702645A/xx unknown
- 1967-02-22 CH CH257467A patent/CH500963A/de not_active IP Right Cessation
- 1967-02-23 DE DE19671593855 patent/DE1593855B1/de active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2937188A (en) * | 1951-11-15 | 1960-05-17 | Gen Aniline & Film Corp | 2-methyl 2, 3-dihydrobenzofurancarboxylic acids and acid halides |
| BE649260A (US08088816-20120103-C00036.png) * | 1963-06-28 | 1964-12-15 | ||
| BE658194A (US08088816-20120103-C00036.png) * | 1964-01-23 | 1965-07-12 |
Also Published As
| Publication number | Publication date |
|---|---|
| BE694120A (US08088816-20120103-C00036.png) | 1967-08-16 |
| US3419579A (en) | 1968-12-31 |
| DK115632B (da) | 1969-10-27 |
| GB1170333A (en) | 1969-11-12 |
| FR1511399A (fr) | 1968-01-26 |
| CH500963A (de) | 1970-12-31 |
| NL6702645A (US08088816-20120103-C00036.png) | 1967-08-24 |
| IL27333A (en) | 1970-09-17 |
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