YU10296A - Postupak za proizvodnju tietanamina - Google Patents
Postupak za proizvodnju tietanaminaInfo
- Publication number
- YU10296A YU10296A YU10296A YU10296A YU10296A YU 10296 A YU10296 A YU 10296A YU 10296 A YU10296 A YU 10296A YU 10296 A YU10296 A YU 10296A YU 10296 A YU10296 A YU 10296A
- Authority
- YU
- Yugoslavia
- Prior art keywords
- general formula
- tietanamine
- condensation
- production
- carried out
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D331/00—Heterocyclic compounds containing rings of less than five members, having one sulfur atom as the only ring hetero atom
- C07D331/04—Four-membered rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Peptides Or Proteins (AREA)
Abstract
Postupak za proizvodnju tietanamina. 2.1. Poznati postupak za proizvodnju tietanamina sa opštom formulom I u kojoj R1-R4 imaju značenje dato u opisu, pri kojom se tietanoni sa opštom formulom II kondenzuju sa derivatima amina, posle čega se dobijeni derivati tietanamina redukuju, imaju nedostatak vrlo malih prinosa. 2.2. Time, što se kondenzacija sprovodi kondenzacijom u autoklavu pri temperaturi od preko 80В°C, preporučljivo preko 100В°C, u prisustvu jedne pomoćne baze, čija konjugovana kiselina ima vrednost pKs od 1 do 4, pa se redukcija posle toga sprovodi sa natrijum- ili litijum borhidridom i jednim aktivatorom, postiže se vrlo uspešno da se do sada nezadovoljavajući prinosi dobijenih trietanamina sa opštom formulom I dobijaju sa visokim prinosima. Kao pomoćna baza preporučljivo se može primeniti i kiselinska adiciona so derivata amina. 2.3. Medjuproizvodi u proizvodnji dipeptidnih sredstava za zasladjivanje (sladila)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19505934A DE19505934A1 (de) | 1995-02-21 | 1995-02-21 | Verfahren zur Herstellung von Thietanaminen |
Publications (1)
Publication Number | Publication Date |
---|---|
YU10296A true YU10296A (sh) | 1998-08-14 |
Family
ID=7754610
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
YU10296A YU10296A (sh) | 1995-02-21 | 1996-02-20 | Postupak za proizvodnju tietanamina |
Country Status (7)
Country | Link |
---|---|
AU (1) | AU4716396A (sh) |
DE (1) | DE19505934A1 (sh) |
HR (1) | HRP960084A2 (sh) |
IL (1) | IL117189A0 (sh) |
WO (1) | WO1996026203A1 (sh) |
YU (1) | YU10296A (sh) |
ZA (1) | ZA961345B (sh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
UY30090A1 (es) * | 2006-01-16 | 2007-08-31 | Syngenta Participations Ag | Insecticidas novedosos |
WO2013007582A2 (en) * | 2011-07-08 | 2013-01-17 | Syngenta Participations Ag | Processes for the preparation of thietanamine |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3873621A (en) * | 1972-05-22 | 1975-03-25 | Univ Minnesota | Method for preparing amines |
ATE9995T1 (de) * | 1981-07-10 | 1984-11-15 | Pfizer Inc. | Verzweigte amide von l-aspartyl-daminos[uredipeptiden und deren verbindungen. |
CA1276394C (en) * | 1984-07-13 | 1990-11-13 | John M. Janusz | Alpha-l-aspartyl-d-phenylglycine esters and amides useful as high intensity sweeteners |
US4851548A (en) * | 1988-04-12 | 1989-07-25 | Pfizer Inc. | Superior catalysts for preparation of 3-amino-2,2,4,4-tetramethylthietane via the Leuckart reaction |
DK0485069T3 (da) * | 1990-10-08 | 1995-04-10 | Sumitomo Chemical Co | Fremgangsmåde til fremstilling af optisk aktive aminer |
-
1995
- 1995-02-21 DE DE19505934A patent/DE19505934A1/de not_active Withdrawn
-
1996
- 1996-01-31 AU AU47163/96A patent/AU4716396A/en not_active Abandoned
- 1996-01-31 WO PCT/EP1996/000392 patent/WO1996026203A1/de active Application Filing
- 1996-02-20 HR HR19505934.4A patent/HRP960084A2/hr not_active Application Discontinuation
- 1996-02-20 IL IL11718996A patent/IL117189A0/xx unknown
- 1996-02-20 ZA ZA961345A patent/ZA961345B/xx unknown
- 1996-02-20 YU YU10296A patent/YU10296A/sh unknown
Also Published As
Publication number | Publication date |
---|---|
DE19505934A1 (de) | 1996-08-22 |
HRP960084A2 (en) | 1997-08-31 |
AU4716396A (en) | 1996-09-11 |
WO1996026203A1 (de) | 1996-08-29 |
IL117189A0 (en) | 1996-06-18 |
ZA961345B (en) | 1996-08-26 |
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