DD106654A1 - - Google Patents
Info
- Publication number
- DD106654A1 DD106654A1 DD16629172A DD16629172A DD106654A1 DD 106654 A1 DD106654 A1 DD 106654A1 DD 16629172 A DD16629172 A DD 16629172A DD 16629172 A DD16629172 A DD 16629172A DD 106654 A1 DD106654 A1 DD 106654A1
- Authority
- DD
- German Democratic Republic
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
- C07F9/3804—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)] not used, see subgroups
- C07F9/3839—Polyphosphonic acids
- C07F9/386—Polyphosphonic acids containing hydroxy substituents in the hydrocarbon radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/56—Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD16629172A DD106654A1 (en) | 1972-10-13 | 1972-10-13 | |
| DE19732343876 DE2343876A1 (en) | 1972-10-13 | 1973-08-31 | Alkane-1-hydroxy-1,1-diphosphonic acids prepn - from alkanoic acids and phosphorus (III) oxide with recovery of anhydride formed and without additional solvent |
| NL7313987A NL7313987A (en) | 1972-10-13 | 1973-10-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD16629172A DD106654A1 (en) | 1972-10-13 | 1972-10-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD106654A1 true DD106654A1 (en) | 1974-06-20 |
Family
ID=5488564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD16629172A DD106654A1 (en) | 1972-10-13 | 1972-10-13 |
Country Status (3)
| Country | Link |
|---|---|
| DD (1) | DD106654A1 (en) |
| DE (1) | DE2343876A1 (en) |
| NL (1) | NL7313987A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3700772A1 (en) * | 1987-01-13 | 1988-07-21 | Inst Khim Kinetiki I Gorenija | Process for the preparation of 1-functionally substituted alkylidene-1,1-diphosphonic acids and their mixtures |
| JP2016535021A (en) * | 2013-10-25 | 2016-11-10 | ストライトマーク ホールディング アクツィエンゲゼルシャフトＳｔｒａｉｔｍａｒｋ Ｈｏｌｄｉｎｇ ＡＧ | Method for synthesizing ethane-1-hydroxy-1,1-diphosphonic acid |
| RU2016118639A (en) | 2013-10-25 | 2017-11-30 | Страйтмарк Холдинг Аг | METHOD FOR SYNTHESIS OF ALKAN-1-HYDROXY-1,1-DIPHOSPHIC ACID |
-
1972
- 1972-10-13 DD DD16629172A patent/DD106654A1/xx unknown
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1973
- 1973-08-31 DE DE19732343876 patent/DE2343876A1/en active Pending
- 1973-10-11 NL NL7313987A patent/NL7313987A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2343876A1 (en) | 1974-04-18 |
| NL7313987A (en) | 1974-04-16 |