RO95370B1 - Process for preparing alpha-halo-acetanilides - Google Patents
Process for preparing alpha-halo-acetanilidesInfo
- Publication number
- RO95370B1 RO95370B1 RO126094A RO12609486A RO95370B1 RO 95370 B1 RO95370 B1 RO 95370B1 RO 126094 A RO126094 A RO 126094A RO 12609486 A RO12609486 A RO 12609486A RO 95370 B1 RO95370 B1 RO 95370B1
- Authority
- RO
- Romania
- Prior art keywords
- index
- formula
- page
- description
- see formula
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 abstract 3
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 abstract 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical class OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 abstract 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 150000001340 alkali metals Chemical class 0.000 abstract 1
- 125000000217 alkyl group Chemical group 0.000 abstract 1
- 150000001448 anilines Chemical class 0.000 abstract 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Chemical group BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 abstract 1
- 229910052794 bromium Inorganic materials 0.000 abstract 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 abstract 1
- 229910052801 chlorine Inorganic materials 0.000 abstract 1
- 239000000460 chlorine Substances 0.000 abstract 1
- 125000001309 chloro group Chemical group Cl* 0.000 abstract 1
- 239000002270 dispersing agent Substances 0.000 abstract 1
- 239000002360 explosive Substances 0.000 abstract 1
- -1 haloacetyl halides Chemical class 0.000 abstract 1
- 230000002363 herbicidal effect Effects 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 abstract 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical group II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 abstract 1
- XMJHPCRAQCTCFT-UHFFFAOYSA-N methyl chloroformate Chemical compound COC(Cl)=O XMJHPCRAQCTCFT-UHFFFAOYSA-N 0.000 abstract 1
- 238000010992 reflux Methods 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 150000003512 tertiary amines Chemical class 0.000 abstract 1
- 230000008016 vaporization Effects 0.000 abstract 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Inventia se refera la obtinerea unor produse erbicide de tip alfa-halo- acetanilide, cu formula generala I (vezi formula în pag.1 a descrierii), în care R indice 1, R indice 2 si R indice 3 reprezinta hidrogen, grupe alchil primare, secundare tertiare cu 1...4 atomi de carbon iar X reprezinta clor, brom, iod, prin tratarea anilinelor substituite, cu formula II (vezi formula în pag.1 a descrierii) au semnificatiile de mai sus, în care R indice 1, R indice 2 si R indice 3 cu halogenuri de haloacetil, cu formula III (vezi formula în pag.1 a descrierii), în care X este idem ca mai sus, în mediu de 1,1,1-triclor-etan (metilcloroform), solvent neinflamabil si neexploziv, cu sau fara adaos de gheata, la temperaturi de 0...25 degree C pîna la temperatura de reflux (74 degree C), în prezenta unui acceptor de acid, de tipul: carbonati, bicarbonati, hidroxizi ai metalelor alcaline, de exemplu: Na indice 2 CO indice 3, K indice 2 CO indice 3, NaOH, KOH etc. amine tertiare, de exemplu: trietil-amina, iar prelucrarea masei de reactie se face prin antrenarea cu vapori a 1,1,1-tricloretanului, în prezenta unui agent dispersant.The invention relates to the production of herbicidal products of the alpha-haloacetanilide type of the general formula I (see formula on page 1 of the description), wherein R index 1, R index 2 and R index 3 represent hydrogen, primary alkyl groups , secondary tertiary 1-4 carbon atoms and X represents chlorine, bromine, iodine, by treatment of the substituted anilines of the formula II (see formula on page 1 of the description) have the above meanings, wherein R index 1 , R index 2 and R index 3 with haloacetyl halides of formula III (see formula on page 1 of the description), wherein X is as above, in 1,1,1-trichloroethane (methyl chloroformate) ), non-flammable and non-explosive solvent, with or without the addition of ice, at temperatures of 0 ... 25 ° C to reflux (74 ° C) in the presence of an acid acceptor such as carbonates, bicarbonates, of alkali metals, for example: Na 2 CO index 3, K index 2 CO index 3, NaOH, KOH, etc. tertiary amines, for example triethylamine, and the processing of the reaction mass is carried out by vaporizing 1,1,1-trichloroethane in the presence of a dispersing agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO126094A RO95370B1 (en) | 1986-12-24 | 1986-12-24 | Process for preparing alpha-halo-acetanilides |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO126094A RO95370B1 (en) | 1986-12-24 | 1986-12-24 | Process for preparing alpha-halo-acetanilides |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO95370B1 true RO95370B1 (en) | 1988-10-01 |
Family
ID=40904733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO126094A RO95370B1 (en) | 1986-12-24 | 1986-12-24 | Process for preparing alpha-halo-acetanilides |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO95370B1 (en) |
-
1986
- 1986-12-24 RO RO126094A patent/RO95370B1/en unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR830006156A (en) | Process for preparing fluorocarbon ether having substituted halogen moiety | |
| RO81944B (en) | Process for the preparation of imidosulphamides | |
| ES8405808A1 (en) | Herbicide and plant-growth regulator product. | |
| RO86363B (en) | Process for preparing methylthiopyrimidine derivatives | |
| RO86646B (en) | Process for preparing oxymeters | |
| RO95370B1 (en) | Process for preparing alpha-halo-acetanilides | |
| RO81212B (en) | Process for preparing some 2', 6'-dialkyl-n-(alcoxymethyl)-2-chloracetanylides | |
| RO86842B (en) | Process for the preparation of phosphorodithioates | |
| KR890012979A (en) | Method for preparing 2-amino-4,6-dichloro pyrimidine | |
| ES471952A1 (en) | Process for the production of N-substituted alpha -ketocarboxylic acid amides | |
| GR3000939T3 (en) | Chemical process for the preparation of oxamide derivatives. | |
| RO82014B (en) | PROCESS FOR THE PREPARATION OF 4-CHINOLONE DERIVATIVES WITH ANTIHIPERTENSIVE ACTIVITY | |
| RO85559B (en) | Process for preparing substituted chloroacetanilides | |
| RO83438B (en) | PROCESS FOR PREPARATION OF BIS-TETRAZOLMETILTIOLES | |
| US3049559A (en) | Ureas | |
| RO86858B (en) | Process for the preparation of 2-phenoxypropionic acid derivatives of pentites | |
| US4429160A (en) | Polyoxaalkyl aminoalcohols | |
| RO81209B (en) | Process for preparing some benziamidazoline salts | |
| RO86277B (en) | PROCESS FOR PREPARING ANY AZOLIL-SILIL GLYCOLETERS | |
| Torii et al. | Reaction of sulfenamides with di-alkyl and trialkyl phosphites. an efficient synthesis of phosphoramidates by unusual substitution at S–N bond in (2-benzothiazolyl) sulfenamides | |
| RO83468B (en) | Process for preparing 5, 6, 7, 7a-tetrahydro-4h-tieno(3, 2-c)-pyridine-2-one derivatives | |
| RO87255B (en) | PROCESS FOR PREPARATION OF ANY AMIDE OF PENOXY-PHENOXYCANIC ACIDS PROPERTIES OF ERBICIDES | |
| ES8105261A1 (en) | Long chain amine derivatives and process for their preparation. | |
| RO86848B (en) | Process for the preparation of 1 -aryl-2-aminoethanols | |
| RO82052B1 (en) | Aryloxyalkylcarboxylic acid salts sulphamidated with n, n-dimethylbiguanide and process for their preparation |