ATE202095T1 - Verfahren zur herstellung vom enollakton der 2- oxycyclohexyliden-essigsäure und verwendung zur herstellung vom 2-coumaranon - Google Patents
Verfahren zur herstellung vom enollakton der 2- oxycyclohexyliden-essigsäure und verwendung zur herstellung vom 2-coumaranonInfo
- Publication number
- ATE202095T1 ATE202095T1 AT97401561T AT97401561T ATE202095T1 AT E202095 T1 ATE202095 T1 AT E202095T1 AT 97401561 T AT97401561 T AT 97401561T AT 97401561 T AT97401561 T AT 97401561T AT E202095 T1 ATE202095 T1 AT E202095T1
- Authority
- AT
- Austria
- Prior art keywords
- acid
- producing
- sulphonic
- strongly acidic
- oxycyclohexylidenacetic
- Prior art date
Links
- 239000002253 acid Substances 0.000 title abstract 4
- ACZGCWSMSTYWDQ-UHFFFAOYSA-N 3h-1-benzofuran-2-one Chemical compound C1=CC=C2OC(=O)CC2=C1 ACZGCWSMSTYWDQ-UHFFFAOYSA-N 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- HHLFWLYXYJOTON-UHFFFAOYSA-N glyoxylic acid Chemical compound OC(=O)C=O HHLFWLYXYJOTON-UHFFFAOYSA-N 0.000 abstract 4
- 230000002378 acidificating effect Effects 0.000 abstract 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 abstract 2
- 239000011347 resin Substances 0.000 abstract 2
- 229920005989 resin Polymers 0.000 abstract 2
- DGCOXJUMRBMOSM-UHFFFAOYSA-N 2-(2-oxocyclohexylidene)acetic acid Chemical compound OC(=O)C=C1CCCCC1=O DGCOXJUMRBMOSM-UHFFFAOYSA-N 0.000 abstract 1
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 abstract 1
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 239000003153 chemical reaction reagent Substances 0.000 abstract 1
- 239000012043 crude product Substances 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 abstract 1
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
- C07D307/82—Benzo [b] furans; Hydrogenated benzo [b] furans with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the hetero ring
- C07D307/83—Oxygen atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Furan Compounds (AREA)
- Catalysts (AREA)
- Seasonings (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Pyrane Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9608528A FR2750990B1 (fr) | 1996-07-09 | 1996-07-09 | Procede de preparation de l'enol-lactone de l'acide 2-oxocyclohexylidene acetique et application a la preparation de la 2-coumaranone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE202095T1 true ATE202095T1 (de) | 2001-06-15 |
Family
ID=9493841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT97401561T ATE202095T1 (de) | 1996-07-09 | 1997-07-02 | Verfahren zur herstellung vom enollakton der 2- oxycyclohexyliden-essigsäure und verwendung zur herstellung vom 2-coumaranon |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5773632A (de) |
| EP (1) | EP0818451B1 (de) |
| JP (1) | JP4145373B2 (de) |
| CN (1) | CN100335474C (de) |
| AT (1) | ATE202095T1 (de) |
| DE (1) | DE69705169T2 (de) |
| ES (1) | ES2158466T3 (de) |
| FR (1) | FR2750990B1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT410796B (de) * | 2000-06-06 | 2003-07-25 | Dsm Fine Chem Austria Gmbh | Verfahren zur herstellung von 2-coumaron |
| CN106986848B (zh) * | 2017-02-23 | 2019-06-21 | 浙江大学 | 碱催化制备2-羟基亚环己烯基乙酸烯醇内酯的方法 |
| CN115138363A (zh) * | 2021-03-30 | 2022-10-04 | 中国科学院大连化学物理研究所 | 用于催化脱氢制备苯并呋喃-2(3h)-酮的催化剂及其制备方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE584372C (de) * | 1930-06-26 | 1933-10-18 | C H Boehringer Sohn A G | Verfahren zur Darstellung von ª†-Laktonen |
| DE1184774B (de) * | 1958-06-18 | 1965-01-07 | Shell Int Research | Verfahren zur Herstellung von bicyclischen gamma-Lactonen |
| US3676463A (en) * | 1970-10-15 | 1972-07-11 | Pfizer | Oxobenzofuran carboxamides |
| US3862133A (en) * | 1973-04-30 | 1975-01-21 | Goodrich Co B F | Gamma-lactones of o-hydroxyphenylacetic acids |
| FR2721609B1 (fr) * | 1994-06-22 | 1996-10-04 | Hoechst France | Méthode de préparation de la 2-coumaranone. |
-
1996
- 1996-07-09 FR FR9608528A patent/FR2750990B1/fr not_active Expired - Fee Related
-
1997
- 1997-06-17 JP JP17755397A patent/JP4145373B2/ja not_active Expired - Fee Related
- 1997-06-26 US US08/883,594 patent/US5773632A/en not_active Expired - Lifetime
- 1997-07-02 DE DE69705169T patent/DE69705169T2/de not_active Expired - Lifetime
- 1997-07-02 ES ES97401561T patent/ES2158466T3/es not_active Expired - Lifetime
- 1997-07-02 EP EP97401561A patent/EP0818451B1/de not_active Expired - Lifetime
- 1997-07-02 AT AT97401561T patent/ATE202095T1/de active
- 1997-07-08 CN CNB971146063A patent/CN100335474C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| FR2750990A1 (fr) | 1998-01-16 |
| US5773632A (en) | 1998-06-30 |
| CN100335474C (zh) | 2007-09-05 |
| DE69705169D1 (de) | 2001-07-19 |
| JP4145373B2 (ja) | 2008-09-03 |
| EP0818451A1 (de) | 1998-01-14 |
| JPH1072459A (ja) | 1998-03-17 |
| DE69705169T2 (de) | 2002-03-07 |
| EP0818451B1 (de) | 2001-06-13 |
| FR2750990B1 (fr) | 1998-11-06 |
| CN1185436A (zh) | 1998-06-24 |
| ES2158466T3 (es) | 2001-09-01 |
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