KR970027046A - Method for preparing 2-amino-3, 5-dibromo benzaldehyde - Google Patents
Method for preparing 2-amino-3, 5-dibromo benzaldehyde Download PDFInfo
- Publication number
- KR970027046A KR970027046A KR1019950043694A KR19950043694A KR970027046A KR 970027046 A KR970027046 A KR 970027046A KR 1019950043694 A KR1019950043694 A KR 1019950043694A KR 19950043694 A KR19950043694 A KR 19950043694A KR 970027046 A KR970027046 A KR 970027046A
- Authority
- KR
- South Korea
- Prior art keywords
- carbonate
- weight ratio
- glycol
- formula
- benzhydrazide
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C223/00—Compounds containing amino and —CHO groups bound to the same carbon skeleton
- C07C223/06—Compounds containing amino and —CHO groups bound to the same carbon skeleton having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
본 발명은 하기 식(Ⅰ)로 표시되는 2-아미노-3, 5-디브로모 벤즈알데히드를 공업적으로 용이하게 제조할 수 있는 방법에 관한 것으로, 좀더 상세하게는 2개의 히드록시기를 갖는 탄소수 C2~C4의 글리콜, 탄소수 C1~C4의 알코올 및 물로 이루어진 군으로부터 선택된 둘 또는 그 이상의 혼합용매 존재하에서 하기 식(Ⅱ)로 표시되는 벤즈하이드라자이드 화합물과 탄산염 및 수산화염을 60-90℃의 온도범위에서 1~15시간 동안 반응시켜 하기 식(Ⅰ)로 표시되는 2-아미노-3, 5-디브로모 벤즈알데히드를 제조하는 방법에 관한 것이다.The present invention relates to a method that can be easily produced industrially 2-amino-3, 5-dibromo benzaldehyde represented by the following formula (I), more specifically, to a carbon number having two hydroxyl groups C 2 ~ C 4 of the glycol, the number of carbon atoms C 1 ~ C 4 alcohol and water of two selected from the group consisting of or to more under a mixed solvent of 60 to 90 present the benzamide hydrazide compound and the carbonate and hydroxyl flame of the formula (ⅱ) It relates to a method for producing 2-amino-3, 5-dibromo benzaldehyde represented by the following formula (I) by reacting for 1 to 15 hours at a temperature range of ℃.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.
Claims (11)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950043694A KR0169558B1 (en) | 1995-11-22 | 1995-11-22 | Process for preparation of 2-amino-3,5-dibromobenzaldehyde |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950043694A KR0169558B1 (en) | 1995-11-22 | 1995-11-22 | Process for preparation of 2-amino-3,5-dibromobenzaldehyde |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970027046A true KR970027046A (en) | 1997-06-24 |
KR0169558B1 KR0169558B1 (en) | 1999-03-20 |
Family
ID=19435696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950043694A KR0169558B1 (en) | 1995-11-22 | 1995-11-22 | Process for preparation of 2-amino-3,5-dibromobenzaldehyde |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR0169558B1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100379637B1 (en) * | 2000-12-20 | 2003-04-10 | 송현삼 | Method for preparing 2-amino-3,5-dibromobenzaldehyde having high purity and yield |
-
1995
- 1995-11-22 KR KR1019950043694A patent/KR0169558B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR0169558B1 (en) | 1999-03-20 |
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A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
LAPS | Lapse due to unpaid annual fee |