SU518126A3 - The method of obtaining-substituted chloroacetanilide - Google Patents

The method of obtaining-substituted chloroacetanilide

Info

Publication number
SU518126A3
SU518126A3 SU1952323A SU1952323A SU518126A3 SU 518126 A3 SU518126 A3 SU 518126A3 SU 1952323 A SU1952323 A SU 1952323A SU 1952323 A SU1952323 A SU 1952323A SU 518126 A3 SU518126 A3 SU 518126A3
Authority
SU
USSR - Soviet Union
Prior art keywords
formula
solution
xylidine
torr
evaporation
Prior art date
Application number
SU1952323A
Other languages
Russian (ru)
Inventor
Фогель Христиан
Эби Рудольф
Original Assignee
Циба-Гейги Аг (Фирма)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Циба-Гейги Аг (Фирма) filed Critical Циба-Гейги Аг (Фирма)
Application granted granted Critical
Publication of SU518126A3 publication Critical patent/SU518126A3/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N37/00Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/18Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof
    • A01N37/22Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N<, e.g. carboxylic acid amides or imides; Thio analogues thereof the nitrogen atom being directly attached to an aromatic ring system, e.g. anilides
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C233/00Carboxylic acid amides
    • C07C233/01Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
    • C07C233/16Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by singly-bound oxygen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Claims (3)

В качестве хлорацетилирующего агента можно использовать ангидрид или галогенангидрид хлоруксусной кислоты. Процесс целесообразно проводить в среде инертного органического растворител , например углеводорода, в нрисутствин кислотосв зывающего агента, например третичного амина. Пример 1. а) Получение исходного вещества . К раствору 24,2 г (0,2 моль) 2,6-диметиланилина и 17,8 г (0,24 моль) метоксиацетальдегида в 150 мл бензола добавл ют 1 мл 25%-ного раствора триметиламина в метаноле . Смесь кин т т в течение 4 ч ири температуре дефлегмации с водоотделителем. После вьшариваии  реакционной смеси под вакуумом вакуумной нерегоикой остатка получают 1 - (2-метоксиэтилиденамино) -2,6-диметилбензол с т. кип. 58-61°С прн давлении 0,1 торр. Раствор 16,3 г (0,092 моль) этого промежугочного продукта в 200 мл абсолютного этанола гидрируют при 25°С и обычном давлении, добавл   при этом 2 г 5%-ного палладиевого угл . После удалени  катализатора фильтрацией и упаривани  фильтрата под вакуумом вакуумной нерегонкой получают Ы-(2-метоксиэтил)-2,6-кснлидин с т. кип. 65- 64°С/0,2 торр.... б) К суспензии из 4,4 г Ы-(2метоксиэтил)2 ,6-ксилиднна и 2,6 г гидрокарбоиата кали  в 30 мл абсолютного бензола добавл ют но канл м раствор 2,94 г хлорацетилхлорида в 10 мл бензола, после чего перемешивают смесь в течение 2 ч при 25°С. Дл  дальнейшей переработки ее разбавл ют 100 мл простого эфира. Органическую фазу нромывают несколько раз водой и высушивают ее. После упаривани  растворител  под вакуумом получают в виде масла чистый N (2-метокснэтил)-2,6 - диметилхлорацетанилид (соединение I) с большим выходом, при выдерживании на холоду соединение выкристаллизовываетс  (т. пл. 42-45°С). Ниже приведены другие соединени  формулы I, полученные по описанному способу с использованием в качестве исходного производного анилина следующих соединений: °С/торр N- (2-метоксиэтил) -2,6-ксилидина 64-65/0,2 N- (2-этоксиэтил) -2,6-ксилидина 74-79/0,2 N- (2-н-пропоксиэтил) -2,6-кснлидина 83-89/0,3 N- (2-изопропоксиэтил) -2,5-ксилидина 84-92/0,3 Формула изооретенп  1. Способ получени  N-замещенного хлорацетанилида обш.ей формулы А- OR, СО-ШгС где А - незамещенный этилен; RI - метил, этил, н-пропил, изопропил, отличающийс  тем, что замещенный аииЛИН формулы NK-A-m где Ri, А имеют указаиное выше значение, подвергают взаимодействию с хлорацетилирующим агентом при О-200°С с последующим выделением целевого продукта известным приемом. Anhydride or chloroacetic acid halide may be used as chloroacetylating agent. The process is expediently carried out in an inert organic solvent, for example a hydrocarbon, in the presence of an acid binding agent, for example, a tertiary amine. Example 1. a) Obtaining the original substance. To a solution of 24.2 g (0.2 mol) of 2,6-dimethylaniline and 17.8 g (0.24 mol) of methoxy acetaldehyde in 150 ml of benzene was added 1 ml of a 25% aqueous solution of trimethylamine in methanol. The mixture was injected for 4 hours at reflux temperature with a water separator. After evaporation of the reaction mixture under vacuum by vacuum, the residue gives 1 - (2-methoxyethylideneamino) -2,6-dimethylbenzene with m.p. 58-61 ° C prn pressure of 0.1 Torr. A solution of 16.3 g (0.092 mol) of this period product in 200 ml of absolute ethanol is hydrogenated at 25 ° C and normal pressure, while adding 2 g of 5% palladium carbon. After removal of the catalyst by filtration and evaporation of the filtrate under vacuum by vacuum, non-distillation yielded L- (2-methoxyethyl) -2,6-cnlidine with m.p. 65-64 ° C / 0.2 Torr .... b) To a suspension of 4.4 g of L- (2methoxyethyl) 2, 6-xylidene and 2.6 g of potassium hydrogen carbonate in 30 ml of absolute benzene is added but canals a solution of 2.94 g of chloroacetyl chloride in 10 ml of benzene, after which the mixture is stirred for 2 hours at 25 ° C. For further processing, it is diluted with 100 ml of ether. The organic phase is washed several times with water and dried. After evaporation of the solvent under vacuum, pure N (2-methoxynethyl) -2,6-dimethylchloroacetanilide (compound I) is obtained as an oil in a high yield, while keeping cold, the compound crystallizes out (mp 42-45 ° C). The following are other compounds of formula I, obtained by the described method using the following compounds as an initial aniline derivative: ° C / torr N- (2-methoxyethyl) -2,6-xylidine 64-65 / 0.2 N- (2- ethoxyethyl) -2,6-xylidine 74-79 / 0.2 N- (2-n-propoxyethyl) -2,6-xnlidine 83-89 / 0.3 N- (2-isopropoxyethyl) -2.5-xylidine 84-92 / 0.3. The formula isoooretenp 1. The method of obtaining N-substituted chloroacetanilide of general formula A- OR, CO-ShgC where A is unsubstituted ethylene; RI is methyl, ethyl, n-propyl, isopropyl, characterized in that the substituted aiILIN of the formula NK-A-m where Ri, A have the above mentioned value, is reacted with a chloroacetylating agent at O-200 ° C, followed by isolation of the target product by a known technique. 2.Способ по п. 1, отличающийс  тем, что в качестве хлорацетилирующего агента используют ангидрид или галогенангидрид хлоруксусной кислоты. 2. A method according to claim 1, characterized in that anhydride or chloroacetic acid halide is used as the chloroacetylating agent. 3.Способ по пп. 1 и 2, отличающийс  тем, что процесс ведут в среде инертного органического растворител , например углеводорода в присутствии кислотосв зывающего агента, например третичного амина, при 20- 100°С.3. Method according to paragraphs. 1 and 2, characterized in that the process is carried out in an inert organic solvent, for example a hydrocarbon in the presence of an acid binding agent, for example a tertiary amine, at 20-100 ° C.
SU1952323A 1972-02-07 1973-07-30 The method of obtaining-substituted chloroacetanilide SU518126A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH173972A CH563963A5 (en) 1972-02-07 1972-02-07 Haloacetanilides - selective herbicides

Publications (1)

Publication Number Publication Date
SU518126A3 true SU518126A3 (en) 1976-06-15

Family

ID=4217440

Family Applications (1)

Application Number Title Priority Date Filing Date
SU1952323A SU518126A3 (en) 1972-02-07 1973-07-30 The method of obtaining-substituted chloroacetanilide

Country Status (4)

Country Link
CH (1) CH563963A5 (en)
RO (1) RO77188A (en)
SU (1) SU518126A3 (en)
ZA (1) ZA73840B (en)

Also Published As

Publication number Publication date
CH563963A5 (en) 1975-07-15
ZA73840B (en) 1974-01-30
RO77188A (en) 1981-06-22

Similar Documents

Publication Publication Date Title
Kataoka et al. Studies of unusual amino acids and their peptides. VI. The synthese and the optical resolutions of. BETA.-methylphenylalanine and its dipeptide present in bottromycin.
CN108003086B (en) Preparation method of 3-amino-2-indolone compound
FI63931B (en) FRUIT PROCEDURE FOR FRAMSTYLING OF BLODTRYCKSHOEJANDE 1- (3-SUBSTITUERAD-PHENYL) -2-AMINOPROPAN
KR19990013522A (en) Process for preparing substituted perhydroisoindole
SU437290A1 (en) Method for producing racemic or optically active piperazine derivatives
USRE29468E (en) Process for making a C1 -C7 aliphatic hydrocarbyl ester of an N-[2,6-di(C1 -C7 alkyl)phenyl] α-aminocarboxylic acid
SU657743A3 (en) Method of obtaining 3-azide-4-trifluoromethyl-2,6-dinitroanilines
SU518126A3 (en) The method of obtaining-substituted chloroacetanilide
CA1231719A (en) Synthesis of phenyl alanine derivatives
JPS5826360B2 (en) Glycochenodeoxycol
SU492076A3 (en) Method for producing substituted guanidine
CN113149932A (en) Preparation method of heat-sensitive dye compound N-acyl phenothiazine
Buck et al. β-Phenylethylamine Derivatives. 1 Tertiary and Quaternary Salts
SU607549A3 (en) Method of obtaining carbalcoxythioureidebenzol derivatives
SU586835A3 (en) Method of preparing aminopropanol derivatives or their salts,racemates or optically active antipodes
KR100362706B1 (en) A method for reducing nitro group to amine group using indium
SU645556A3 (en) Method of obtaining substituted crotonanilides in form of separate cis- or trans-isomers or their mixture
JPS61129159A (en) Purification of protected amino acid amide compound
SU588915A3 (en) Method of preparing acetamidoximes
SU598871A1 (en) Method of preparing hydrochloride of methylaminoacetopyrocatechol
SU558639A3 (en) Method for preparing aminooxyhydroxamic acid derivatives or their salts
JP2682713B2 (en) Production of optically active tetrahydrofuran
SU1245573A1 (en) Method of producing 5-alkyl-n-carbethoxymethyl-2-pyrrolidones
WO2023209729A1 (en) Process for preparation of imeglimin and salts thereof
SU433145A1 (en) . METHOD OF OBTAINING TRSTTAMSHOE