GB1528223A - Process for preparing 1,4-naphthalene-dicarboxylic acid esters - Google Patents
Process for preparing 1,4-naphthalene-dicarboxylic acid estersInfo
- Publication number
- GB1528223A GB1528223A GB267676A GB267676A GB1528223A GB 1528223 A GB1528223 A GB 1528223A GB 267676 A GB267676 A GB 267676A GB 267676 A GB267676 A GB 267676A GB 1528223 A GB1528223 A GB 1528223A
- Authority
- GB
- United Kingdom
- Prior art keywords
- dicarboxylic acid
- naphthalene
- ester
- preparing
- acid esters
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
Abstract
1528223 Preparation of naphthalene-1,4- dicarboxylic acid dialkyl esters HOECHST AG 23 Jan 1976 [28 Jan 1975] 02676/76 Heading C2C The invention comprises a process for the preparation of a 1,4-naphthalenedicarboxylic acid ester by reaction of #-1-pyrrolidinocyclohexene with a muconic acid dialkyl ester to form a 4,4a,5,6,7,8-hexahydronaphthalene-1,4- dicarboxylic acid ester and dehydrating said ester to obtain the corresponding naphthalene- 1,4-dicarboxylic acid ester. In the example dimethylmuconate is reacted with #-1-pyrrolidinocyclolixane to obtain dimethyl - 4,4a,5,6,7,8 - hexahydronaphthalene- 1,4-dicarboxylic acid which is dehydrogenated by heating with sulphur.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752503377 DE2503377B2 (en) | 1975-01-28 | 1975-01-28 | PROCESS FOR THE PRODUCTION OF 1,4-NAPHTHALINDICARBONIC ACID ESTERS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1528223A true GB1528223A (en) | 1978-10-11 |
Family
ID=5937490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB267676A Expired GB1528223A (en) | 1975-01-28 | 1976-01-23 | Process for preparing 1,4-naphthalene-dicarboxylic acid esters |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS51100053A (en) |
| BE (1) | BE837993A (en) |
| BR (1) | BR7600480A (en) |
| CH (1) | CH598185A5 (en) |
| DE (1) | DE2503377B2 (en) |
| DK (1) | DK31776A (en) |
| ES (1) | ES444541A1 (en) |
| FR (1) | FR2299308A1 (en) |
| GB (1) | GB1528223A (en) |
| IT (1) | IT1054501B (en) |
| LU (1) | LU74244A1 (en) |
| NL (1) | NL7600714A (en) |
| SE (1) | SE7600766L (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012082727A1 (en) * | 2010-12-15 | 2012-06-21 | Amyris, Inc. | Biobased polyamides |
| TW201418211A (en) * | 2012-09-28 | 2014-05-16 | Mitsubishi Gas Chemical Co | 1,4-tetralindicarboxylic acid dialkyl ester and method of producing same |
-
1975
- 1975-01-28 DE DE19752503377 patent/DE2503377B2/en active Granted
-
1976
- 1976-01-22 ES ES444541A patent/ES444541A1/en not_active Expired
- 1976-01-23 NL NL7600714A patent/NL7600714A/en not_active Application Discontinuation
- 1976-01-23 GB GB267676A patent/GB1528223A/en not_active Expired
- 1976-01-26 LU LU74244A patent/LU74244A1/xx unknown
- 1976-01-26 SE SE7600766A patent/SE7600766L/en not_active Application Discontinuation
- 1976-01-26 CH CH91676A patent/CH598185A5/xx not_active IP Right Cessation
- 1976-01-26 IT IT1960376A patent/IT1054501B/en active
- 1976-01-27 JP JP718776A patent/JPS51100053A/en active Pending
- 1976-01-27 DK DK31776A patent/DK31776A/en not_active Application Discontinuation
- 1976-01-27 BR BR7600480A patent/BR7600480A/en unknown
- 1976-01-28 BE BE163868A patent/BE837993A/en unknown
- 1976-01-28 FR FR7602253A patent/FR2299308A1/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| CH598185A5 (en) | 1978-04-28 |
| IT1054501B (en) | 1981-11-10 |
| ES444541A1 (en) | 1977-05-16 |
| DE2503377B2 (en) | 1976-11-11 |
| NL7600714A (en) | 1976-07-30 |
| DE2503377A1 (en) | 1976-08-05 |
| SE7600766L (en) | 1976-07-29 |
| AU1057676A (en) | 1977-08-04 |
| FR2299308B1 (en) | 1979-07-27 |
| JPS51100053A (en) | 1976-09-03 |
| LU74244A1 (en) | 1976-12-31 |
| BE837993A (en) | 1976-07-28 |
| BR7600480A (en) | 1976-08-31 |
| DK31776A (en) | 1976-07-29 |
| FR2299308A1 (en) | 1976-08-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |