GB1175839A - Manufacture of Hydrazine Derivatives - Google Patents
Manufacture of Hydrazine DerivativesInfo
- Publication number
- GB1175839A GB1175839A GB1966366A GB1966366A GB1175839A GB 1175839 A GB1175839 A GB 1175839A GB 1966366 A GB1966366 A GB 1966366A GB 1966366 A GB1966366 A GB 1966366A GB 1175839 A GB1175839 A GB 1175839A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alkyl
- substituted
- aryl
- cycloalkyl
- gaseous
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
1,175,839. Preparation of hydrazine derivatives. FISONS INDUSTRIAL CHEMICAL Ltd. 12 April, 1967 [4 May, 1966], No. 19663/66. Heading C2C. Hydrazones of the formula R<SP>1</SP>R<SP>2</SP>-N-N = CR<SP>3</SP>R<SP>4</SP> are obtained by reacting chloramine with an amine of the formula R<SP>1</SP>R<SP>2</SP>NH and a carbonyl compound of the formula R<SP>3</SP>R<SP>4</SP>CO, wherein R<SP>1</SP> is H, alkyl, substituted alkyl, alkenyl, aryl, substituted aryl, cycloalkyl or substituted cycloalkyl; R<SP>2</SP> is alkyl, substituted alkyl, alkenyl, aryl, substituted aryl, cycloalkyl or substituted cycloalkyl, or where R<SP>1</SP> and R<SP>2</SP> together with the N-atom form a heterocyclic ring; R<SP>3</SP> is hydrogen or alkyl; R<SP>4</SP> is alkyl or aryl, or where R<SP>3</SP> and R<SP>4</SP> together with the carbon atom of the carbonyl group form a cycloaliphatic ring, the reaction being effected in the aqueous phase in the presence of a base. The chloramine reactant, which may be formed in a separate stage or in situ, may be obtained by reacting (1) gaseous Cl 2 with gaseous NH 3 , (2) gaseous Cl 2 with aqueous NH 3 in the presence of a strong base, or (3) aqueous NH 3 with aqueous sodium hypochlorite. The reaction is suitably effected at a temperature of - 20‹ C. to the boiling point of the ketone under the pressure employed at a pH of 12À8-13À5, and the products of the reaction may subsequently be hydrolysed or decomposed to yield substituted hydrazines or salts thereof.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1966366A GB1175839A (en) | 1966-05-04 | 1966-05-04 | Manufacture of Hydrazine Derivatives |
DE19671618411 DE1618411A1 (en) | 1966-05-04 | 1967-04-28 | Process for the preparation of hydrazones |
FR105038A FR1539669A (en) | 1966-05-04 | 1967-05-03 | Process for the production of hydrazine derivatives |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1966366A GB1175839A (en) | 1966-05-04 | 1966-05-04 | Manufacture of Hydrazine Derivatives |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1175839A true GB1175839A (en) | 1969-12-23 |
Family
ID=10133108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1966366A Expired GB1175839A (en) | 1966-05-04 | 1966-05-04 | Manufacture of Hydrazine Derivatives |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE1618411A1 (en) |
GB (1) | GB1175839A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT373851B (en) * | 1974-07-27 | 1984-02-27 | Bayer Ag | METHOD FOR TREATING AQUEOUS SYNTHESIS SOLUTIONS IN HYDRAZINE PRODUCTION |
-
1966
- 1966-05-04 GB GB1966366A patent/GB1175839A/en not_active Expired
-
1967
- 1967-04-28 DE DE19671618411 patent/DE1618411A1/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT373851B (en) * | 1974-07-27 | 1984-02-27 | Bayer Ag | METHOD FOR TREATING AQUEOUS SYNTHESIS SOLUTIONS IN HYDRAZINE PRODUCTION |
Also Published As
Publication number | Publication date |
---|---|
DE1618411A1 (en) | 1970-10-29 |
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