AT286250B - Verfahren zur Herstellung von γ-Chloracetessigsäureestern - Google Patents
Verfahren zur Herstellung von γ-ChloracetessigsäureesternInfo
- Publication number
- AT286250B AT286250B AT384769A AT384769A AT286250B AT 286250 B AT286250 B AT 286250B AT 384769 A AT384769 A AT 384769A AT 384769 A AT384769 A AT 384769A AT 286250 B AT286250 B AT 286250B
- Authority
- AT
- Austria
- Prior art keywords
- preparation
- acid esters
- chloroacetoacetic acid
- chloroacetoacetic
- esters
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/58—Preparation of carboxylic acid halides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/46—Preparation of carboxylic acid esters from ketenes or polyketenes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH610668A CH492670A (de) | 1968-04-24 | 1968-04-24 | Verfahren zur Herstellung von y-Chloracetessigsäureester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT286250B true AT286250B (de) | 1970-11-25 |
Family
ID=4304356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT384769A AT286250B (de) | 1968-04-24 | 1969-04-21 | Verfahren zur Herstellung von γ-Chloracetessigsäureestern |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US3666793A (de) |
| AT (1) | AT286250B (de) |
| BE (1) | BE731966A (de) |
| BR (1) | BR6908282D0 (de) |
| CH (1) | CH492670A (de) |
| CS (1) | CS173560B2 (de) |
| DE (1) | DE1914125C3 (de) |
| DK (1) | DK116795B (de) |
| ES (1) | ES365960A1 (de) |
| FR (1) | FR2006821A1 (de) |
| GB (1) | GB1200158A (de) |
| NL (1) | NL6906019A (de) |
| NO (1) | NO123178B (de) |
| SE (1) | SE358380B (de) |
| YU (1) | YU32519B (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IN151753B (de) * | 1980-04-02 | 1983-07-23 | Lonza Ag | |
| US4468356A (en) * | 1981-04-15 | 1984-08-28 | Eastman Kodak Company | Diketene chlorination method |
| MX337105B (es) * | 2011-04-01 | 2016-02-09 | Lonza Ag | Preparacion de ester de 3,5-dioxohexanoato en dos etapas. |
| FR3111859A1 (fr) | 2020-06-29 | 2021-12-31 | Psa Automobiles Sa | Véhicule automobile dont la planche de bord comprend un agencement d’espace de rangement optimisé |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2209683A (en) * | 1936-06-27 | 1940-07-30 | Carbide & Carbon Chem Corp | Halogenation of diketene |
-
1968
- 1968-04-24 CH CH610668A patent/CH492670A/de not_active IP Right Cessation
-
1969
- 1969-03-20 DE DE1914125A patent/DE1914125C3/de not_active Expired
- 1969-04-04 CS CS2452A patent/CS173560B2/cs unknown
- 1969-04-07 YU YU0873/69A patent/YU32519B/xx unknown
- 1969-04-12 ES ES365960A patent/ES365960A1/es not_active Expired
- 1969-04-14 GB GB18919/69A patent/GB1200158A/en not_active Expired
- 1969-04-18 NL NL6906019A patent/NL6906019A/xx unknown
- 1969-04-21 AT AT384769A patent/AT286250B/de not_active IP Right Cessation
- 1969-04-22 US US818439A patent/US3666793A/en not_active Expired - Lifetime
- 1969-04-22 SE SE05705/69A patent/SE358380B/xx unknown
- 1969-04-22 FR FR6912648A patent/FR2006821A1/fr active Pending
- 1969-04-23 DK DK222369AA patent/DK116795B/da unknown
- 1969-04-23 BE BE731966D patent/BE731966A/xx not_active IP Right Cessation
- 1969-04-23 BR BR208282/69A patent/BR6908282D0/pt unknown
- 1969-04-23 NO NO1681/69A patent/NO123178B/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE731966A (de) | 1969-10-01 |
| NO123178B (de) | 1971-10-11 |
| DK116795B (da) | 1970-02-16 |
| YU87369A (en) | 1974-06-30 |
| DE1914125B2 (de) | 1977-08-04 |
| CS173560B2 (de) | 1977-02-28 |
| DE1914125C3 (de) | 1978-03-30 |
| YU32519B (en) | 1974-12-31 |
| GB1200158A (en) | 1970-07-29 |
| BR6908282D0 (pt) | 1973-01-11 |
| NL6906019A (de) | 1969-10-28 |
| SE358380B (de) | 1973-07-30 |
| ES365960A1 (es) | 1971-03-16 |
| FR2006821A1 (de) | 1970-01-02 |
| DE1914125A1 (de) | 1969-11-06 |
| US3666793A (en) | 1972-05-30 |
| CH492670A (de) | 1970-06-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELA | Expired due to lapse of time |