AT340945B - Verfahren zur herstellung von neuen oxetanen - Google Patents
Verfahren zur herstellung von neuen oxetanenInfo
- Publication number
- AT340945B AT340945B AT678675A AT678675A AT340945B AT 340945 B AT340945 B AT 340945B AT 678675 A AT678675 A AT 678675A AT 678675 A AT678675 A AT 678675A AT 340945 B AT340945 B AT 340945B
- Authority
- AT
- Austria
- Prior art keywords
- oxetanes
- producing new
- producing
- new
- new oxetanes
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D305/00—Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms
- C07D305/02—Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms not condensed with other rings
- C07D305/10—Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms not condensed with other rings having one or more double bonds between ring members or between ring members and non-ring members
- C07D305/12—Beta-lactones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/81—Unsaturated isocyanates or isothiocyanates
- C08G18/8125—Unsaturated isocyanates or isothiocyanates having two or more isocyanate or isothiocyanate groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyurethanes Or Polyureas (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2442426A DE2442426C2 (de) | 1974-09-05 | 1974-09-05 | Diisocyanatodiketene, Verfahren zu deren Herstellung und deren Verwendung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ATA678675A ATA678675A (de) | 1977-05-15 |
| AT340945B true AT340945B (de) | 1978-01-10 |
Family
ID=5924892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT678675A AT340945B (de) | 1974-09-05 | 1975-09-03 | Verfahren zur herstellung von neuen oxetanen |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US4009152A (de) |
| JP (1) | JPS5152126A (de) |
| AT (1) | AT340945B (de) |
| AU (1) | AU8446875A (de) |
| BE (1) | BE833096A (de) |
| BR (1) | BR7505692A (de) |
| CA (1) | CA1058196A (de) |
| CH (1) | CH615169A5 (de) |
| DE (1) | DE2442426C2 (de) |
| DK (1) | DK397075A (de) |
| ES (1) | ES440720A1 (de) |
| FR (1) | FR2283895A1 (de) |
| GB (1) | GB1461747A (de) |
| IE (1) | IE41670B1 (de) |
| IT (1) | IT1044463B (de) |
| LU (1) | LU73318A1 (de) |
| NL (1) | NL7510349A (de) |
| SE (1) | SE7509826L (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2073200B (en) * | 1980-03-27 | 1983-09-14 | Ciba Geigy Ag | Phosphorus substituted 4-methyloxetan-2-ones |
| DE3216414A1 (de) * | 1982-05-03 | 1983-11-03 | Bayer Ag, 5090 Leverkusen | Leimungsmittel auf basis von ketendimeren |
| PT1181272E (pt) * | 2000-12-28 | 2003-01-31 | Lundbeck & Co As H | Processo para a preparacao de citalopram puro |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2723265A (en) * | 1952-07-21 | 1955-11-08 | Du Pont | Doubly hindered diisocyanates |
| US2680131A (en) * | 1952-07-29 | 1954-06-01 | Aerojet General Co | Trans vinylene diisocyanate and method of preparation |
| DE1232133B (de) * | 1965-04-01 | 1967-01-12 | Bayer Ag | Verfahren zur Herstellung von Isocyanat-kohlensaeureestern |
-
1974
- 1974-09-05 DE DE2442426A patent/DE2442426C2/de not_active Expired
-
1975
- 1975-08-12 CA CA233,325A patent/CA1058196A/en not_active Expired
- 1975-08-22 US US05/606,914 patent/US4009152A/en not_active Expired - Lifetime
- 1975-09-02 AU AU84468/75A patent/AU8446875A/en not_active Expired
- 1975-09-02 NL NL7510349A patent/NL7510349A/xx not_active Application Discontinuation
- 1975-09-02 GB GB3607375A patent/GB1461747A/en not_active Expired
- 1975-09-03 IT IT7551175A patent/IT1044463B/it active
- 1975-09-03 CH CH1141675A patent/CH615169A5/de not_active IP Right Cessation
- 1975-09-03 AT AT678675A patent/AT340945B/de not_active IP Right Cessation
- 1975-09-03 LU LU73318A patent/LU73318A1/xx unknown
- 1975-09-04 DK DK397075A patent/DK397075A/da unknown
- 1975-09-04 BR BR7505692*A patent/BR7505692A/pt unknown
- 1975-09-04 ES ES440720A patent/ES440720A1/es not_active Expired
- 1975-09-04 SE SE7509826A patent/SE7509826L/xx unknown
- 1975-09-04 IE IE1937/75A patent/IE41670B1/en unknown
- 1975-09-05 BE BE159757A patent/BE833096A/xx not_active IP Right Cessation
- 1975-09-05 JP JP50107176A patent/JPS5152126A/ja active Pending
- 1975-09-05 FR FR7527371A patent/FR2283895A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DK397075A (da) | 1976-03-06 |
| ES440720A1 (es) | 1977-03-16 |
| DE2442426A1 (de) | 1976-03-18 |
| NL7510349A (nl) | 1976-03-09 |
| DE2442426C2 (de) | 1983-04-07 |
| AU8446875A (en) | 1977-03-10 |
| US4009152A (en) | 1977-02-22 |
| FR2283895B1 (de) | 1978-11-03 |
| CA1058196A (en) | 1979-07-10 |
| ATA678675A (de) | 1977-05-15 |
| IT1044463B (it) | 1980-03-20 |
| CH615169A5 (de) | 1980-01-15 |
| JPS5152126A (en) | 1976-05-08 |
| FR2283895A1 (fr) | 1976-04-02 |
| LU73318A1 (de) | 1976-08-13 |
| BE833096A (fr) | 1976-03-05 |
| BR7505692A (pt) | 1976-08-03 |
| GB1461747A (en) | 1977-01-19 |
| IE41670B1 (en) | 1980-02-27 |
| IE41670L (en) | 1976-03-05 |
| SE7509826L (sv) | 1976-03-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee |