JPS62894B2 - - Google Patents
Info
- Publication number
- JPS62894B2 JPS62894B2 JP54036319A JP3631979A JPS62894B2 JP S62894 B2 JPS62894 B2 JP S62894B2 JP 54036319 A JP54036319 A JP 54036319A JP 3631979 A JP3631979 A JP 3631979A JP S62894 B2 JPS62894 B2 JP S62894B2
- Authority
- JP
- Japan
- Prior art keywords
- solution
- hydrogen fluoride
- diazotization
- diphenylmethane
- carried out
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/76—Ketones containing a keto group bound to a six-membered aromatic ring
- C07C49/80—Ketones containing a keto group bound to a six-membered aromatic ring containing halogen
- C07C49/813—Ketones containing a keto group bound to a six-membered aromatic ring containing halogen polycyclic
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/27—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation
- C07C45/28—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation of CHx-moieties
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1266478 | 1978-03-31 | ||
| GB7832842 | 1978-08-10 | ||
| GB7834662 | 1978-08-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS54132558A JPS54132558A (en) | 1979-10-15 |
| JPS62894B2 true JPS62894B2 (OSRAM) | 1987-01-10 |
Family
ID=27256871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3631979A Granted JPS54132558A (en) | 1978-03-31 | 1979-03-29 | Manufacture of 4*4**difluorobenzophenone |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0004710B1 (OSRAM) |
| JP (1) | JPS54132558A (OSRAM) |
| DE (1) | DE2961199D1 (OSRAM) |
| IT (1) | IT1112484B (OSRAM) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4487969A (en) * | 1982-09-30 | 1984-12-11 | Olin Corporation | Production of m-fluoroacetophenone |
| DE3411326A1 (de) * | 1984-03-28 | 1985-10-10 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von mit fluor enthaltenden gruppen substituierten, symmetrischen benzophenonen, deren verwendung und neue, mit fluor enthaltenden gruppen substituierte, symmetrische benzophenone |
| JPH04330035A (ja) * | 1991-01-18 | 1992-11-18 | Kureha Chem Ind Co Ltd | ４，４′−ビス（４−クロロベンゾイル）ベンゾフェノンおよびその製造方法 |
| GB9705159D0 (en) * | 1997-03-13 | 1997-04-30 | Victrex Mfg Ltd | Process for preparation of aromatic compounds |
| DE102005037337A1 (de) * | 2005-08-04 | 2007-02-15 | Inspec Fibres Gmbh | Neues Verfahren zur Herstellung von 4,4'-Difluorbenzophenon |
| GB0611760D0 (en) * | 2006-06-14 | 2006-07-26 | Victrex Mfg Ltd | Polymeric materials |
| GB0611759D0 (en) * | 2006-06-14 | 2006-07-26 | Victrex Mfg Ltd | Polymeric material |
| WO2012001131A1 (en) | 2010-07-02 | 2012-01-05 | Solvay Specialty Polymers Usa, L.L.C. | Method of making poly(aryl ether ketones) from 4,4' difluorobenzophenone comprising oxidizing species and/or nitro compounds |
| CN106008182A (zh) * | 2016-03-17 | 2016-10-12 | 维讯化工（南京）有限公司 | 一种制备4,4’-二氟二苯甲酮的方法 |
| CN116730813B (zh) * | 2023-05-26 | 2025-07-18 | 武汉瑞阳化工有限公司 | 一种由4-氯氟苯制备4,4'-二氟二苯甲酮的方法 |
-
1979
- 1979-03-08 EP EP79300356A patent/EP0004710B1/en not_active Expired
- 1979-03-08 DE DE7979300356T patent/DE2961199D1/de not_active Expired
- 1979-03-29 JP JP3631979A patent/JPS54132558A/ja active Granted
- 1979-03-29 IT IT21410/79A patent/IT1112484B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| EP0004710B1 (en) | 1981-11-04 |
| IT7921410A0 (it) | 1979-03-29 |
| IT1112484B (it) | 1986-01-13 |
| DE2961199D1 (en) | 1982-01-14 |
| EP0004710A3 (en) | 1979-10-31 |
| EP0004710A2 (en) | 1979-10-17 |
| JPS54132558A (en) | 1979-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Sondej et al. | gem-Difluoro compounds: a convenient preparation from ketones and aldehydes by halogen fluoride treatment of 1, 3-dithiolanes | |
| JPH0450296B2 (OSRAM) | ||
| JPS62894B2 (OSRAM) | ||
| CN107739303B (zh) | 一种α-羟基酮类光引发剂的制备方法 | |
| FR2496097A1 (fr) | Procede pour la preparation de l'anthraquinone et de ses derives substitues | |
| JP2009503000A (ja) | ４，４’−ジフルオロベンゾフェノンの製造方法 | |
| US4263458A (en) | Preparation of aromatic fluoro-compounds | |
| JPS6217585B2 (OSRAM) | ||
| JP2001505926A (ja) | フッ素化反応において用いるための溶媒 | |
| US2652432A (en) | Method of making chlokomethyl | |
| US4051168A (en) | Fluorination process | |
| JPS60218331A (ja) | 含フツ素基で置換された対称性ベンゾフエノン及びその製造方法 | |
| US4523041A (en) | Method of purifying 4-fluorophenol | |
| BENNETT Jr et al. | Cyclopropyl Analogs of Hexestrol and Diethylstilbestrol1, 2 | |
| CA2090935C (en) | Preparation of isoflurane | |
| JPH03505208A (ja) | 臭素化中間体の製造方法 | |
| Moriya | XV.—Contributions from the Laboratory of the University of Tôkiô, Japan. No. IV. On menthol or peppermint camphor | |
| US3056842A (en) | Preparation of phenoxyphenols | |
| US3440285A (en) | Aldehydes and alcohols prepared therefrom | |
| JPS60115547A (ja) | ｐ−（ハロメチル）フェニルケトンおよびその製法 | |
| JPS6334858B2 (OSRAM) | ||
| JPS5935917B2 (ja) | 有機ゲルマニウム化合物および有機ゲルマニウムセスキオキシドの製造法 | |
| US4346238A (en) | Process for the preparation of crystalline sodium paraformylphenolate | |
| JPH0448783B2 (OSRAM) | ||
| RAMLER | I. THE ACTION OF ANHYDROUS HYDROGEN FLUORIDE ON ACETOPHENONE |