GB1330265A - Process for the preparation of nitriles from organic carboxylic acids and organosilylamines or silazanes - Google Patents
Process for the preparation of nitriles from organic carboxylic acids and organosilylamines or silazanesInfo
- Publication number
- GB1330265A GB1330265A GB514172A GB514172A GB1330265A GB 1330265 A GB1330265 A GB 1330265A GB 514172 A GB514172 A GB 514172A GB 514172 A GB514172 A GB 514172A GB 1330265 A GB1330265 A GB 1330265A
- Authority
- GB
- United Kingdom
- Prior art keywords
- nitriles
- preparation
- group
- carboxylic acids
- organosilylamines
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/22—Preparation of carboxylic acid nitriles by reaction of ammonia with carboxylic acids with replacement of carboxyl groups by cyano groups
-
- 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
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/10—Compounds having one or more C—Si linkages containing nitrogen having a Si-N linkage
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pyridine Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
1330265 Preparation of nitriles RHONEPOULENC SA 3 Feb 1972 [4 Feb 1971] 5141/72 Heading C2C [Also in Division C3] Nitriles are prepared from carboxylic acids by reacting the latter with a primary silylamine or linear or cyclic silazane containing a group in the presence of a Lewis acid as catalyst. Preferably the silylamine or silazane is one having the general formulµ in which R, which may be the same or different, represents an alkyl, alkylphenyl or phenylalkyl group where the alkyl group or portion is straight or branched and contains 1 to 12 carbon atoms or a cycloalkyl group of 5 to 6 ring carbon atoms or a phenyl group, n=0 or an integer of 1 to 100 and m = 3, 4 or 5. Examples are given of the preparation of acetonitrile, phenylacetonitrile, o-, and p-hydroxy-benzonitrile, 4-cyanopyridine and terephthalonitrile.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7103791A FR2123897A5 (en) | 1971-02-04 | 1971-02-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1330265A true GB1330265A (en) | 1973-09-12 |
Family
ID=9071404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB514172A Expired GB1330265A (en) | 1971-02-04 | 1972-02-03 | Process for the preparation of nitriles from organic carboxylic acids and organosilylamines or silazanes |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5623983B1 (en) |
| DE (1) | DE2205360A1 (en) |
| FR (1) | FR2123897A5 (en) |
| GB (1) | GB1330265A (en) |
| NL (1) | NL7201111A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8772503B2 (en) | 2009-12-07 | 2014-07-08 | Mapi Pharma Ltd. | Processes for the preparation of deferasirox, and deferasirox polymorphs |
-
1971
- 1971-02-04 FR FR7103791A patent/FR2123897A5/fr not_active Expired
-
1972
- 1972-01-27 NL NL7201111A patent/NL7201111A/xx not_active Application Discontinuation
- 1972-02-02 JP JP1145672A patent/JPS5623983B1/ja active Pending
- 1972-02-03 GB GB514172A patent/GB1330265A/en not_active Expired
- 1972-02-04 DE DE19722205360 patent/DE2205360A1/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8772503B2 (en) | 2009-12-07 | 2014-07-08 | Mapi Pharma Ltd. | Processes for the preparation of deferasirox, and deferasirox polymorphs |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5623983B1 (en) | 1981-06-03 |
| NL7201111A (en) | 1972-08-08 |
| FR2123897A5 (en) | 1972-09-15 |
| DE2205360A1 (en) | 1972-08-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |