GB1236730A - A novel diphenyl ether and a process for the production thereof - Google Patents
A novel diphenyl ether and a process for the production thereofInfo
- Publication number
- GB1236730A GB1236730A GB1302570A GB1302570A GB1236730A GB 1236730 A GB1236730 A GB 1236730A GB 1302570 A GB1302570 A GB 1302570A GB 1302570 A GB1302570 A GB 1302570A GB 1236730 A GB1236730 A GB 1236730A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diphenyl ether
- production
- tetrachloro
- novel diphenyl
- dinitro
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
- A44C5/14—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps characterised by the way of fastening to a wrist-watch or the like
- A44C5/16—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps characterised by the way of fastening to a wrist-watch or the like by folding the strap
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
1,236,730. 2,2<SP>1</SP>,4,4<SP>1</SP> - Tetrachloro - 5,5<SP>1</SP>- dinitro-diphenyl ether. FARBENFABRIKEN BAYER A.G. 18 March, 1970 [21 March, 1969], No. 13025/70. Heading C2C. The invention comprises 2,2<SP>1</SP>,4,4<SP>1</SP>-tetrachloro- 5,5<SP>1</SP>-dinitro-diphenyl ether. It may be prepared by nitrating 2, 2<SP>1</SP>,4,4<SP>1</SP>-tetrachloro-diphenyl ether, preferably with highly concentrated nitric acid or a mixture thereof with concentrated sulphuric acid. Examples are given for the preparation of the compound.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691914364 DE1914364A1 (en) | 1969-03-21 | 1969-03-21 | 2,2 ', 4,4'-tetrachloro-5,5'-dinitro-diphenylaether and process for its preparation |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1236730A true GB1236730A (en) | 1971-06-23 |
Family
ID=5728842
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1302570A Expired GB1236730A (en) | 1969-03-21 | 1970-03-18 | A novel diphenyl ether and a process for the production thereof |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE747690A (en) |
DE (1) | DE1914364A1 (en) |
FR (1) | FR2039135A1 (en) |
GB (1) | GB1236730A (en) |
NL (1) | NL7003636A (en) |
-
1969
- 1969-03-21 DE DE19691914364 patent/DE1914364A1/en active Pending
-
1970
- 1970-03-13 NL NL7003636A patent/NL7003636A/xx unknown
- 1970-03-18 GB GB1302570A patent/GB1236730A/en not_active Expired
- 1970-03-20 FR FR7010193A patent/FR2039135A1/fr not_active Withdrawn
- 1970-03-20 BE BE747690D patent/BE747690A/en unknown
Also Published As
Publication number | Publication date |
---|---|
BE747690A (en) | 1970-09-21 |
DE1914364A1 (en) | 1970-10-01 |
NL7003636A (en) | 1970-09-23 |
FR2039135A1 (en) | 1971-01-15 |
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