BE541435A - - Google Patents
Info
- Publication number
- BE541435A BE541435A BE541435DA BE541435A BE 541435 A BE541435 A BE 541435A BE 541435D A BE541435D A BE 541435DA BE 541435 A BE541435 A BE 541435A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D207/00—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D207/02—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D207/18—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member
- C07D207/22—Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having one double bond between ring members or between a ring member and a non-ring member 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 ring carbon atoms
- C07D207/24—Oxygen or sulfur atoms
- C07D207/26—2-Pyrrolidones
- C07D207/273—2-Pyrrolidones 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 other ring carbon atoms
- C07D207/277—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D207/28—2-Pyrrolidone-5- carboxylic acids; Functional derivatives thereof, e.g. esters, nitriles
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Extraction Or Liquid Replacement (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEG15425A DE1004187B (de) | 1954-09-23 | 1954-09-23 | Verfahren zur Anreicherung von Pyrrolidoncarbonsaeure und Glutaminsaeure sowie ihrer Salze aus Ablaugen der Zuckergewinnung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE541435A true BE541435A (cs) |
Family
ID=7120442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE541435D BE541435A (cs) | 1954-09-23 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE541435A (cs) |
| DE (1) | DE1004187B (cs) |
-
0
- BE BE541435D patent/BE541435A/xx unknown
-
1954
- 1954-09-23 DE DEG15425A patent/DE1004187B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1004187B (de) | 1957-03-14 |