SU426366A3 - METHOD OF OBTAINING DERIVATIVES 1-ARYL-2,3,4,5 TETRAGYDRO-1 H-1,5-BENZODIAZEPIN-2-IT - Google Patents

METHOD OF OBTAINING DERIVATIVES 1-ARYL-2,3,4,5 TETRAGYDRO-1 H-1,5-BENZODIAZEPIN-2-IT

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Publication number
SU426366A3
SU426366A3 SU1707512A SU1707512A SU426366A3 SU 426366 A3 SU426366 A3 SU 426366A3 SU 1707512 A SU1707512 A SU 1707512A SU 1707512 A SU1707512 A SU 1707512A SU 426366 A3 SU426366 A3 SU 426366A3
Authority
SU
USSR - Soviet Union
Prior art keywords
benzodiazepin
aryl
tetragydro
general formula
tetrahydro
Prior art date
Application number
SU1707512A
Other languages
Russian (ru)
Inventor
етени изоб
Original Assignee
Оскар Буб, Людвиг Фридрих, Ханс Петер Хофманн, Хорст Крейскотт , Франк Циммерманн
Иностранна 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 Оскар Буб, Людвиг Фридрих, Ханс Петер Хофманн, Хорст Крейскотт , Франк Циммерманн, Иностранна фирма filed Critical Оскар Буб, Людвиг Фридрих, Ханс Петер Хофманн, Хорст Крейскотт , Франк Циммерманн
Application granted granted Critical
Publication of SU426366A3 publication Critical patent/SU426366A3/en

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D243/00Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms
    • C07D243/06Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms having the nitrogen atoms in positions 1 and 4
    • C07D243/10Heterocyclic compounds containing seven-membered rings having two nitrogen atoms as the only ring hetero atoms having the nitrogen atoms in positions 1 and 4 condensed with carbocyclic rings or ring systems
    • C07D243/121,5-Benzodiazepines; Hydrogenated 1,5-benzodiazepines

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Saccharide Compounds (AREA)

Description

Изобретение относитс  к способу получени  новых производных 1,5-бензодиазенинона, обладающих ценными фармакологическими свойства.ми.This invention relates to a process for the preparation of novel 1,5-benzodiazeninone derivatives having valuable pharmacological properties.

Основанный на иавестаюй реакции взаимодействи  циановой кислоты или ее соли с аминами, предложенный способ позвол ет по .лучить новые соединени , обладающие лучщими свойствами, чем известные соединени  подобного действи .Based on the test and the reaction of the interaction of cyanic acid or its salt with amines, the proposed method allows new compounds to be produced that have better properties than the known compounds of similar action.

Описываетс  способ получени  производных 1-арил-2,3,4,5-тетрагидро-1Н-1,5-бензодиазепин-2-она общей формулы IA process for the preparation of 1-aryl-2,3,4,5-tetrahydro-1H-1,5-benzodiazepin-2-one derivatives of general formula I is described.

где RI означает ам инокарбонильную группу; R2 - атом водорода или хлора, заключающийс  в том, что соответствующее 5Nнезамещенное производное 1-арил-2,3,4,5-тетрагидро - 1Н-1,5-бензодиазепин-2-она общей формулы IIwhere RI means am inocarbonyl group; R2 is a hydrogen or chlorine atom, consisting in the fact that the corresponding 5N unsubstituted 1-aryl-2,3,4,5-tetrahydro-1H-1,5-benzodiazepin-2-one derivative of general formula II

где R2 имеет выщеуказанное значение, подвергают взаимодействию с циановой кислотой или ее сол ми ,в кислом растворе.where R2 has the above meaning, it is reacted with cyanic acid or its salts in an acidic solution.

Реакци  согласно изобретению происходит обычно путем взаимодействи  свободного амина формулы II с циановой кислотой или ее сол ми в кислом растворе. Реакцию предпочтительно ведут с цианатами щелочных металлов в лед ной уксусной кислоте при температуре 20-30° С. Целевой продукт выдел ют известными приемами.The reaction according to the invention usually takes place by reacting the free amine of formula II with cyanic acid or its salts in an acidic solution. The reaction is preferably carried out with alkali metal cyanates in glacial acetic acid at a temperature of 20-30 ° C. The desired product is isolated by known methods.

Пример. 21,5 г 8-хлор-1-(2-хлорфенил)2 .;3,4,5,-тетрагидро-1Н-1,5-бепзодиазепин-2-она раствор ют в 200 мл лед ной уксусной кислоты . Размещива  раствор при комнатной температуре , прикапывают к последнему раствор 8 г цианата натри  в 50 мл воды. По истечении часа еще раз добавл ют 8 г цианата натри  в 50 мл воды. Через 2 час реакционный раствор вливают в 1 л воды и перекристаллизовывают выделившийс  амид 8-хлор-1-(2хлорфенил ) - 2,3,4,5 - тетрагидро-1Н-1,5-бензодиазепин-2Он-5-карбоновой кислоты из этанола .Example. 21.5 g of 8-chloro-1- (2-chlorophenyl) 2.; 3,4,5, -tetrahydro-1H-1,5-bepodiazepin-2-one is dissolved in 200 ml of glacial acetic acid. By placing the solution at room temperature, the solution of 8 g of sodium cyanate in 50 ml of water is added dropwise to the latter. After one hour, 8 g of sodium cyanate in 50 ml of water is added again. After 2 hours, the reaction solution is poured into 1 l of water and the separated amide 8-chloro-1- (2 chlorophenyl) -2,3,4,5-tetrahydro-1H-1,5-benzodiazepin-2H-5-carboxylic acid is recrystallized from ethanol .

Выход 22,5 г ((92% от теоретического);Yield 22.5 g ((92% of theoretical);

т. пл. 235-236° С.m.p. 235-236 ° C.

Аналогичным образом получают амид-8хлор-1-фенил-2 ,3,4,5-тетрагидро-1Н-1,5 - бензодиазепин-2-он-5-карбоновой кислоты.In a similar manner, amide-8chloro-1-phenyl-2, 3,4,5-tetrahydro-1H-1,5 - benzodiazepin-2-one-5-carboxylic acid is obtained.

Выход 85% от теоретического; т. пл. 197- 198° С (из этанола).Output 85% of theoretical; m.p. 197-198 ° C (from ethanol).

Предмет .изобретени Subject matter

Claims (2)

1. Способ получени  производных 1-арил2 ,3,4,5-тетрагидро-1Н-1,5-бензодиазепин-2-она1. Method for preparing 1-aryl2, 3,4,5-tetrahydro-1H-1,5-benzodiazepin-2-one derivatives общей формулы Iof general formula I -СН.,.-Ch.,. ,сн., d. где RI оз-начает амило карбонильную группу; R2 - ато1.м водорода или хлора, отличающийс  тем, что соответствующее 5N-He3aMeщенное производное 1-арил-2,3,4,5-тетрагидро1Н-1 ,5-бензодиазепин-2-о 1а общей формулы IIIIwhere RI o-starts amyl carbonyl group; R2 is an atom of hydrogen or chlorine, characterized in that the corresponding 5N-He3aMedine 1-aryl-2,3,4,5-tetrahydro1H-1, 5-benzodiazepin-2-about 1a derivative of general formula II где R2 имеет вышеуказанное значение, подвергают взаимодействию с циановой кислотой или ее сол ми в кислом растворе, с последующим выделением целевого продукта известными приемами.where R2 has the above meaning, is reacted with cyanic acid or its salts in an acidic solution, followed by isolation of the target product by known methods. 2. Способ по п. 1, отличающийс  тем, что процесс осуществл ют с цианатами щелочны.х металлов в лед ной уксусной кислоте.2. A method according to claim 1, characterized in that the process is carried out with cyanates of alkali metals in glacial acetic acid.
SU1707512A 1970-10-28 1971-10-20 METHOD OF OBTAINING DERIVATIVES 1-ARYL-2,3,4,5 TETRAGYDRO-1 H-1,5-BENZODIAZEPIN-2-IT SU426366A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2052840A DE2052840C2 (en) 1970-10-28 1970-10-28 8-chloro-1-phenyl-2,3,4,5-tetrahydro-1H-1,5-benzodiazepin-2-one derivatives

Publications (1)

Publication Number Publication Date
SU426366A3 true SU426366A3 (en) 1974-04-30

Family

ID=5786353

Family Applications (3)

Application Number Title Priority Date Filing Date
SU1707512A SU426366A3 (en) 1970-10-28 1971-10-20 METHOD OF OBTAINING DERIVATIVES 1-ARYL-2,3,4,5 TETRAGYDRO-1 H-1,5-BENZODIAZEPIN-2-IT
SU1951121A SU474986A3 (en) 1970-10-28 1971-10-20 Method for preparing 1-aryl2,3,4,5-tetrahydro-1n-1,5 derivatives benzodiazepin-2-one
SU1707513A SU426365A3 (en) 1970-10-28 1971-10-20 METHOD OF OBTAINING PRODUCTIONS BINH1X1-ARYL-2,3,4,5-TETRAHYDRO-1H-1,5-BENZODIAZEPIN-2-SHE

Family Applications After (2)

Application Number Title Priority Date Filing Date
SU1951121A SU474986A3 (en) 1970-10-28 1971-10-20 Method for preparing 1-aryl2,3,4,5-tetrahydro-1n-1,5 derivatives benzodiazepin-2-one
SU1707513A SU426365A3 (en) 1970-10-28 1971-10-20 METHOD OF OBTAINING PRODUCTIONS BINH1X1-ARYL-2,3,4,5-TETRAHYDRO-1H-1,5-BENZODIAZEPIN-2-SHE

Country Status (14)

Country Link
JP (2) JPS5535385B1 (en)
AT (3) AT309441B (en)
CA (1) CA918660A (en)
CH (3) CH557357A (en)
CS (4) CS161140B2 (en)
DE (1) DE2052840C2 (en)
DK (1) DK138016C (en)
ES (3) ES396300A1 (en)
HU (3) HU162820B (en)
NL (3) NL7114818A (en)
SE (2) SE389110B (en)
SU (3) SU426366A3 (en)
YU (4) YU34479B (en)
ZA (1) ZA726397B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5960118U (en) * 1982-10-18 1984-04-19 大日本印刷株式会社 hexagonal hand box
JPS59106316U (en) * 1982-12-29 1984-07-17 レンゴ−株式会社 case
JPS6038260U (en) * 1983-08-22 1985-03-16 凸版印刷株式会社 Buzz in Boxes

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1670190A1 (en) * 1967-02-07 1970-12-03 Boehringer Sohn Ingelheim Process for the preparation of 1,5-dihydro-5-phenyl-3H-1,5-benzodiazepine-2,4-diones
AT283372B (en) * 1968-04-29 1970-08-10 Boehringer Sohn Ingelheim Process for the preparation of new 1-acyl-5-phenyl-1H-1,5-benzodiazepine-2,4- [3H, 5H] -diones
DE1934606C3 (en) * 1968-07-12 1973-12-13 C.H. Boehringer Sohn, 6507 Ingelheim 1 Substituted 5 (2 pyridyl) IH 2,3,4,5 tetrahydro 1,5 benzodiazepine 2,4 dione
DE1933666A1 (en) * 1968-08-17 1970-09-03 Egyt Gyogyszervegyeszeti Gyar Novel 2,3-dihydro-6,7-benzo- (1,5) -diazepines and processes for making the same

Also Published As

Publication number Publication date
NL171983C (en) 1983-06-16
SE389110B (en) 1976-10-25
YU36765B (en) 1984-08-31
ES396302A1 (en) 1974-05-01
JPS5535385B1 (en) 1980-09-12
YU270171A (en) 1979-02-28
HU162820B (en) 1973-04-28
YU35003B (en) 1980-06-30
ES396365A1 (en) 1974-05-01
NL7114817A (en) 1972-05-03
DE2052840C2 (en) 1983-09-08
NL171983B (en) 1983-01-17
CS161141B2 (en) 1975-05-04
DK138016C (en) 1978-11-13
NL7114818A (en) 1972-05-03
SE389109B (en) 1976-10-25
CH557357A (en) 1974-12-31
YU269971A (en) 1979-12-31
AT309440B (en) 1973-08-27
NL7114816A (en) 1972-05-03
YU108881A (en) 1983-04-27
CH565773A5 (en) 1975-08-29
YU34479B (en) 1979-09-10
CS161140B2 (en) 1975-05-04
CS161142B2 (en) 1975-05-04
SU426365A3 (en) 1974-04-30
AT309441B (en) 1973-08-27
YU37128B (en) 1984-08-31
CH555834A (en) 1974-11-15
HU162821B (en) 1973-04-28
SU474986A3 (en) 1975-06-25
CS161143B2 (en) 1975-05-04
AT309442B (en) 1973-08-27
DE2052840A1 (en) 1972-05-04
YU270071A (en) 1982-06-18
ZA726397B (en) 1972-05-31
DK138016B (en) 1978-06-26
ES396300A1 (en) 1974-05-01
JPS5626664B1 (en) 1981-06-19
AU3473671A (en) 1973-05-03
CA918660A (en) 1973-01-09
HU163297B (en) 1973-07-28

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