RO92934B - Process for preparing 3,4,5-trimethoxybenzonitrile - Google Patents
Process for preparing 3,4,5-trimethoxybenzonitrileInfo
- Publication number
- RO92934B RO92934B RO116816A RO11681684A RO92934B RO 92934 B RO92934 B RO 92934B RO 116816 A RO116816 A RO 116816A RO 11681684 A RO11681684 A RO 11681684A RO 92934 B RO92934 B RO 92934B
- Authority
- RO
- Romania
- Prior art keywords
- trimethoxybenzonitrile
- industry
- preparing
- economically
- acid
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Inventia se refera la un procedeu pentru prepararea 3,4,5-trimetoxi-benzonitrilului din acid 3,4,5-trimetoxibenzoic, caracterizat prin aceea ca se lasa sa reactioneze acid 3,4,5-trimetoxibenzoic cu uree si cu acid sulfaminic si apoi se izoleaza 3,4,5-trimetoxi-benzonitrilului obtinut. 3,4,5 trimetoxi-benzonitrilului este un produs intermediar valoros al industriei chimice si în special al industriei farmaceutice. Avantajele procedeului conform inventiei constau în aceea ca el este realizabil în mod favorabil si economic în industria si produsul dorit, fiind preparat cu un randament bun.The invention relates to a process for the preparation of 3,4,5-trimethoxybenzonitrile from 3,4,5-trimethoxybenzoic acid, characterized in that it is allowed to react 3,4,5-trimethoxybenzoic acid with urea and with sulfamic acid and then the 3,4,5-trimethoxybenzonitrile obtained is isolated. 3,4,5-trimethoxybenzonitrile is a valuable intermediate product of the chemical industry and in particular of the pharmaceutical industry. The advantages of the process according to the invention are that it is economically and economically feasible in the industry and the desired product, being prepared with good yield.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HU834438A HU191909B (en) | 1983-12-23 | 1983-12-23 | Process for production of 3,4,5-trimetoxi-benzonitril |
Publications (2)
Publication Number | Publication Date |
---|---|
RO92934A RO92934A (en) | 1987-12-31 |
RO92934B true RO92934B (en) | 1988-01-01 |
Family
ID=10967960
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RO116816A RO92934B (en) | 1983-12-23 | 1984-12-21 | Process for preparing 3,4,5-trimethoxybenzonitrile |
Country Status (17)
Country | Link |
---|---|
JP (1) | JPS60214767A (en) |
CN (1) | CN85101310A (en) |
BE (1) | BE901284A (en) |
CH (1) | CH660730A5 (en) |
CS (1) | CS1024484A2 (en) |
DE (1) | DE3446871A1 (en) |
ES (1) | ES8600735A1 (en) |
FI (1) | FI845107L (en) |
FR (1) | FR2557106A1 (en) |
GB (1) | GB2151626B (en) |
HU (1) | HU191909B (en) |
IT (1) | IT1178793B (en) |
NL (1) | NL8403885A (en) |
PL (1) | PL251144A1 (en) |
RO (1) | RO92934B (en) |
SE (1) | SE8406578L (en) |
SU (1) | SU1452477A3 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103772236B (en) * | 2014-01-15 | 2016-04-13 | 华侨大学 | A kind of preparation method of benzonitrile derivative |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH494210A (en) * | 1968-03-27 | 1970-07-31 | Sandoz Ag | Process for the production of nitriles |
JPS5476544A (en) * | 1977-11-26 | 1979-06-19 | Sumitomo Chem Co Ltd | Preparation of p-cyanophenol |
JPS5495541A (en) * | 1978-01-06 | 1979-07-28 | Sumitomo Chem Co Ltd | Production of cyanophenol |
-
1983
- 1983-12-23 HU HU834438A patent/HU191909B/en not_active IP Right Cessation
-
1984
- 1984-12-17 BE BE1/11154A patent/BE901284A/en not_active IP Right Cessation
- 1984-12-20 CH CH6072/84A patent/CH660730A5/en not_active IP Right Cessation
- 1984-12-21 ES ES538924A patent/ES8600735A1/en not_active Expired
- 1984-12-21 CS CS8410244A patent/CS1024484A2/en unknown
- 1984-12-21 DE DE19843446871 patent/DE3446871A1/en not_active Withdrawn
- 1984-12-21 JP JP59268716A patent/JPS60214767A/en active Pending
- 1984-12-21 IT IT24230/84A patent/IT1178793B/en active
- 1984-12-21 SE SE8406578A patent/SE8406578L/en not_active Application Discontinuation
- 1984-12-21 RO RO116816A patent/RO92934B/en unknown
- 1984-12-21 FR FR8419641A patent/FR2557106A1/en active Pending
- 1984-12-21 PL PL25114484A patent/PL251144A1/en unknown
- 1984-12-21 SU SU847773698A patent/SU1452477A3/en active
- 1984-12-21 FI FI845107A patent/FI845107L/en not_active Application Discontinuation
- 1984-12-21 GB GB08432498A patent/GB2151626B/en not_active Expired
- 1984-12-21 NL NL8403885A patent/NL8403885A/en not_active Application Discontinuation
-
1985
- 1985-04-01 CN CN198585101310A patent/CN85101310A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
CH660730A5 (en) | 1987-06-15 |
IT1178793B (en) | 1987-09-16 |
ES538924A0 (en) | 1985-11-01 |
GB2151626A (en) | 1985-07-24 |
PL251144A1 (en) | 1985-10-08 |
JPS60214767A (en) | 1985-10-28 |
RO92934A (en) | 1987-12-31 |
CS1024484A2 (en) | 1988-07-15 |
HU191909B (en) | 1987-04-28 |
SU1452477A3 (en) | 1989-01-15 |
FR2557106A1 (en) | 1985-06-28 |
SE8406578L (en) | 1985-06-24 |
FI845107L (en) | 1985-06-24 |
FI845107A0 (en) | 1984-12-21 |
GB8432498D0 (en) | 1985-02-06 |
BE901284A (en) | 1985-06-17 |
SE8406578D0 (en) | 1984-12-21 |
ES8600735A1 (en) | 1985-11-01 |
CN85101310A (en) | 1987-01-24 |
HUT36085A (en) | 1985-08-28 |
GB2151626B (en) | 1987-04-29 |
IT8424230A0 (en) | 1984-12-21 |
NL8403885A (en) | 1985-07-16 |
DE3446871A1 (en) | 1985-07-11 |
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