KR830007504A - 3,3'-디클로로-4,4'-디아미노-비페닐-디하이드로클로라이드의 제조방법 - Google Patents
3,3'-디클로로-4,4'-디아미노-비페닐-디하이드로클로라이드의 제조방법 Download PDFInfo
- Publication number
- KR830007504A KR830007504A KR1019810003457A KR810003457A KR830007504A KR 830007504 A KR830007504 A KR 830007504A KR 1019810003457 A KR1019810003457 A KR 1019810003457A KR 810003457 A KR810003457 A KR 810003457A KR 830007504 A KR830007504 A KR 830007504A
- Authority
- KR
- South Korea
- Prior art keywords
- generating agent
- ion generating
- salt ion
- added dropwise
- stoichiometric amount
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C211/00—Compounds containing amino groups bound to a carbon skeleton
- C07C211/01—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms
- C07C211/02—Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms of an acyclic saturated carbon skeleton
- C07C211/09—Diamines
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/68—Preparation of compounds containing amino groups bound to a carbon skeleton from amines, by reactions not involving amino groups, e.g. reduction of unsaturated amines, aromatisation, or substitution of the carbon skeleton
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (6)
- 거의 포화된 설페이트 수용액을 100℃ 이상내지 환류온도에서 가열시키는 동안 약 50% 내지 70%의 화학 양론량의 침전제를 적가한 다음 계속해서 약 90 내지 100℃ 이하에서 냉각시킨 후 더욱 염이온 생성제를 적가하고 혼합물을 약 실온으로 냉각함을 특징으로 하여 황산 함유 설페이트수요액을 염이온 생성제로 침전시키고 분리하여 침전된 생성물을 염이온 생성제를 함유하는 수성용액으로 세정하여 3,3´-디클로로-4,4´-디아미노-비페닐-디하이드로 클로라이드의 제조방법.
- 제1항에 있어서, 염이온 생성제로 염산을 사용하는 상기방법.
- 제1항에 있어서, 약 65%의 화학양론량이 염이온 생성제를 100℃ 이상과 환류 온도범위내에서 적가하고 더욱 화학양론량의 두배 이하의 염이온 생성제를 약 90 내지 100℃이하의 온도범위에서 적가함을 특징으로 하는 상기방법.
- 제1하에 있어서, 먼저 잔사의 화학양론량의 양이온 생성제 또는 이들의 과잉량을 약 90 내지 100℃이하의 온도 범위내에서 적가하고 상기 제제의 과잉량을 최후에 적가함을 특징으로 하는 상기방법.
- 제1항에 있어서, 침전된 디클로로라이드를 수성염산으로 세정함을 특징으로 하는 상기 방법.
- 제5항에 있어서, 연속 결정화에 세정 여과물을 재사용함을 특징으로 하는 상기방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19803035221 DE3035221A1 (de) | 1980-09-18 | 1980-09-18 | Verfahren zur herstellung von 3,3'-dichlor-4,4'-diamino-biphenyl-dihydrochlorid |
DEP3035221.7 | 1980-09-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR830007504A true KR830007504A (ko) | 1983-10-21 |
KR880000889B1 KR880000889B1 (ko) | 1988-05-30 |
Family
ID=6112279
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019810003457A KR880000889B1 (ko) | 1980-09-18 | 1981-09-16 | 3, 3'-디클로로-4,4'-디아미노-비페닐-디하이드로 클로라이드의 제조방법 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0048679B1 (ko) |
JP (1) | JPS5781442A (ko) |
KR (1) | KR880000889B1 (ko) |
CA (1) | CA1173460A (ko) |
DE (2) | DE3035221A1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109836337A (zh) * | 2019-03-08 | 2019-06-04 | 陕西大生制药科技有限公司 | 一种联苯胺类化合物的提纯方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE547986C (de) * | 1928-12-18 | 1932-04-01 | I G Farbenindustrie Akt Ges | Verfahren zur Trennung von Gemischen aromatischer Amine |
US2839578A (en) * | 1954-02-24 | 1958-06-17 | Eastman Kodak Co | Treatment of aromatic amino compounds |
-
1980
- 1980-09-18 DE DE19803035221 patent/DE3035221A1/de not_active Withdrawn
-
1981
- 1981-09-12 DE DE8181710044T patent/DE3164439D1/de not_active Expired
- 1981-09-12 EP EP81710044A patent/EP0048679B1/de not_active Expired
- 1981-09-16 KR KR1019810003457A patent/KR880000889B1/ko active
- 1981-09-16 JP JP56144832A patent/JPS5781442A/ja active Granted
- 1981-09-17 CA CA000386089A patent/CA1173460A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0048679B1 (de) | 1984-06-27 |
DE3035221A1 (de) | 1982-05-06 |
JPS5781442A (en) | 1982-05-21 |
JPH026342B2 (ko) | 1990-02-08 |
KR880000889B1 (ko) | 1988-05-30 |
EP0048679A1 (de) | 1982-03-31 |
DE3164439D1 (en) | 1984-08-02 |
CA1173460A (en) | 1984-08-28 |
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